diff --git a/build.gradle b/build.gradle
new file mode 100644
index 0000000000..491135b6ec
--- /dev/null
+++ b/build.gradle
@@ -0,0 +1,56 @@
+plugins {
+ id 'java'
+ id 'application'
+ id 'com.github.johnrengelman.shadow' version '5.1.0'
+}
+
+repositories {
+ mavenCentral()
+}
+
+dependencies {
+ testImplementation group: 'org.junit.jupiter', name: 'junit-jupiter-api', version: '5.5.0'
+ testRuntimeOnly group: 'org.junit.jupiter', name: 'junit-jupiter-engine', version: '5.5.0'
+
+ String javaFxVersion = '11'
+
+ implementation group: 'org.openjfx', name: 'javafx-base', version: javaFxVersion, classifier: 'win'
+ implementation group: 'org.openjfx', name: 'javafx-base', version: javaFxVersion, classifier: 'mac'
+ implementation group: 'org.openjfx', name: 'javafx-base', version: javaFxVersion, classifier: 'linux'
+ implementation group: 'org.openjfx', name: 'javafx-controls', version: javaFxVersion, classifier: 'win'
+ implementation group: 'org.openjfx', name: 'javafx-controls', version: javaFxVersion, classifier: 'mac'
+ implementation group: 'org.openjfx', name: 'javafx-controls', version: javaFxVersion, classifier: 'linux'
+ implementation group: 'org.openjfx', name: 'javafx-fxml', version: javaFxVersion, classifier: 'win'
+ implementation group: 'org.openjfx', name: 'javafx-fxml', version: javaFxVersion, classifier: 'mac'
+ implementation group: 'org.openjfx', name: 'javafx-fxml', version: javaFxVersion, classifier: 'linux'
+ implementation group: 'org.openjfx', name: 'javafx-graphics', version: javaFxVersion, classifier: 'win'
+ implementation group: 'org.openjfx', name: 'javafx-graphics', version: javaFxVersion, classifier: 'mac'
+ implementation group: 'org.openjfx', name: 'javafx-graphics', version: javaFxVersion, classifier: 'linux'
+}
+
+test {
+ useJUnitPlatform()
+
+ testLogging {
+ events "passed", "skipped", "failed"
+
+ showExceptions true
+ exceptionFormat "full"
+ showCauses true
+ showStackTraces true
+ showStandardStreams = false
+ }
+}
+
+application {
+ mainClassName = "pony.javafx.Launcher"
+}
+
+shadowJar {
+ archiveBaseName = "pony"
+ archiveClassifier = ""
+}
+
+run{
+ standardInput = System.in
+}
diff --git a/data/pony.txt b/data/pony.txt
new file mode 100644
index 0000000000..754cd90ed6
--- /dev/null
+++ b/data/pony.txt
@@ -0,0 +1,2 @@
+T | 0 | watch movie
+D | 1 | return book | 2022-06-20 16:00
diff --git a/docs/README.md b/docs/README.md
index 8077118ebe..5f654fd1b4 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -1,29 +1,230 @@
+
+@@author ciaoosuuu-reused
+
+Reused from [kshan29](https://kshan29.github.io/ip/#quick-start)
+
+With minor modifications
# User Guide
-## Features
+Pony is a desktop app for managing tasks, optimized for use via a Command Line Interface (CLI)
+while still having the benefits of a Graphical User Interface (GUI). Pony provides flexibility by
+allowing the tracking of various types of tasks including events and deadlines.
+
+- [Quick start](https://ciaoosuuu.github.io/ip/#quick-start)
+- [Features](https://ciaoosuuu.github.io/ip/#features)
+- [Usage](https://ciaoosuuu.github.io/ip/#usage)
+ - [Adding a todo: `todo`](https://ciaoosuuu.github.io/ip/#adding-a-todo-todo)
+ - [Adding a deadline: `deadline`](https://ciaoosuuu.github.io/ip/#adding-a-deadline-deadline)
+ - [Adding a event: `event`](https://ciaoosuuu.github.io/ip/#adding-a-event-event)
+ - [Listing all tasks: `list`](https://ciaoosuuu.github.io/ip/#listing-all-tasks-list)
+ - [Deleting a task: `delete`](https://ciaoosuuu.github.io/ip/#deleting-a-task-delete)
+ - [Finding specific tasks: `find`](https://ciaoosuuu.github.io/ip/#finding-specific-tasks-find)
+ - [Marking a task: `mark`](https://ciaoosuuu.github.io/ip/#marking-a-task-mark)
+ - [Unmarking a task: `unmark`](https://ciaoosuuu.github.io/ip/#unmarking-a-task-unmark)
+ - [Exiting the program: `bye`](https://ciaoosuuu.github.io/ip/#exiting-the-program-bye)
+- [Command summary](https://ciaoosuuu.github.io/ip/#command-summary)
+
+## Quick Start
+
+1. Ensure you have Java `11` or above installed in your Computer.
+2. Download the latest `Pony.jar` file from [here](https://github.com/ciaoosuuu/ip/releases/tag/v1.0).
+3. Locate the file and double-click the file to start the app.
+
+
+
+5. Type the command in the command box and press Send to execute it.
+
+6. Refer to the [Features](https://ciaoosuuu.github.io/ip/#features) below for details of each command.
+
+
-### Feature-ABC
+## Features
-Description of the feature.
+### Task management
+Add tasks by indicating type of task to add or delete tasks by indicating index of task to delete.
-### Feature-XYZ
+### Track task status
+Mark or unmark task to track completed and incomplete tasks.
-Description of the feature.
+### View tasks
+Display all tasks in a list or filter tasks using a keyword.
## Usage
+### Adding a task
+You can add either a todo, event (occurs on a specified date) or deadline (due by a specified date) as tasks.
+
+#### Adding a todo: `todo`
+Adds a todo.
+
+Format: `todo TASK_DESCRIPTION`
+
+Examples:
+- `todo watch movie`
+
+Expected outcome:
+
+Todo added to task list when valid description given.
+
+```
+Got it my friend. I've added this task:
+[T][ ] TASK_DESCRIPTION
+Now you have X tasks in the list.
+```
+
+#### Adding a deadline: `deadline`
+Adds a deadline.
+
+Format: `deadline TASK_DESCRIPTION /by YYYY-MM-DD HH:mm`
+
+Examples:
+
+- `deadline return book /by 2022-09-20 16:00`
+
+Expected outcome:
+
+Deadline added to task list when valid description and date given.
+
+```
+Got it my friend. I've added this task:
+[D][ ] TASK_DESCRIPTION (by: MMM DD YYYY HH:mm)
+Now you have X tasks in the list.
+```
+#### Adding an event: `event`
+Adds an event.
+
+Format: `event TASK_DESCRIPTION /at YYYY-MM-DD HH:mm`
+
+Examples:
+
+- `event NUS Supernova /at 2022-09-22 16:00`
+
+Expected outcome:
+
+Event added to task list when valid description and date given.
+
+```
+Got it. I've added this task:
+[E][ ] TASK_DESCRIPTION (at: MMM DD YYYY HH:mm)
+Now you have X tasks in the list.
+```
+
+### Listing all tasks: `list`
+Displays a list of tasks added.
+
+Format: `list`
+
+Expected outcome:
+
+```
+Let's look at the tasks in your list:
+1. ...
+2. ...
+```
+
+### Deleting a task: `delete`
+Deletes the task from task list.
+
+Format: `delete INDEX`
+- Deletes the task at the specified `INDEX`.
+- `INDEX` refers to the index number shown after using `list`.
+
+Examples:
+
+- `delete 1` deletes the 1st task in `list` if it exists.
+
+Expected outcome:
+
+Deletes a task when valid index is given.
+
+```
+Alright my friend, I've removed this task:
+[X][ ] TASK_DESCRIPTION
+Now you have X tasks in the list.
+```
+
+### Finding specific tasks: `find`
+Display tasks where the description matches given keywords.
+
+Format: `find KEYWORD`
+- Search is not case-sensitive. e.g. `homework` will still match with `Homework`
+- Partial keywords cannot be used.
+
+Examples:
+- `find Homework` returns a list of all tasks with description containing the keyword `homework`
+
+Expected outcome:
+
+```
+Alright, Here's what pony found!
+1. ...
+2. ...
+```
+
+### Marking a task: `mark`
+Marks a task as completed.
+
+Format: `mark INDEX`
+- Marks the task at the specified `INDEX` as completed.
+- `INDEX` refers to the index number shown after using `list`.
-### `Keyword` - Describe action
+Examples:
+- `mark 1` marks the first task in `list` if it exists.
-Describe the action and its outcome.
+Expected outcome:
-Example of usage:
+Marks a task as completed when valid index is given.
-`keyword (optional arguments)`
+```
+Well done, my friend! I've marked this task as done:
+[X][X] TASK_DESCRIPTION
+```
+
+### Unmarking a task: `unmark`
+Marks a task as incomplete.
+
+Format: `unmark INDEX`
+- Marks the task at the specified `INDEX` as incomplete.
+- `INDEX` refers to the index number shown after using `list`.
+
+Examples:
+- `unmark 1` marks the first task in `list` as incomplete if it exists.
Expected outcome:
-Description of the outcome.
+Marks a task as incomplete when valid index is given.
```
-expected output
+My friend, I've marked this task as not done yet:
+[X][ ] TASK_DESCRIPTION
```
+
+### Exiting the program: `bye`
+Exits the program.
+
+Format: `bye`
+
+Expected outcome:
+
+Prints goodbye message and exits the program.
+
+```
+Bye friend. Hope to see you again soon!
+...
+```
+
+
+## Command summary
+
+| **Action** | **Format, Examples** |
+|------------|-------------------------------------------------------------------------------------------------------|
+| todo | `todo TASK_DESCRIPTION` e.g. `todo watch movie` |
+| deadline | `deadline TASK_DESCRIPTION /by YYYY-MM-DD HH:mm` e.g. `deadline Assignment /by 2022-09-15 16:00` |
+| event | `event TASK_DESCRIPTION /at YYYY-MM-DD` e.g. `event NUS Supernova /at 2022-09-01 18:00` |
+| list | `list` |
+| delete | `delete INDEX` e.g. `delete 1` |
+| find | `find KEYWORD` e.g. `find test` |
+| mark | `mark INDEX` e.g. `mark 3` |
+| unmark | `unmark INDEX` e.g. `unmark 2` |
+| bye | `bye` |
+
+@@author
\ No newline at end of file
diff --git a/docs/Ui.png b/docs/Ui.png
new file mode 100644
index 0000000000..e9437b963f
Binary files /dev/null and b/docs/Ui.png differ
diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar
new file mode 100644
index 0000000000..f3d88b1c2f
Binary files /dev/null and b/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
new file mode 100644
index 0000000000..b7c8c5dbf5
--- /dev/null
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -0,0 +1,5 @@
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.2-bin.zip
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
diff --git a/gradlew b/gradlew
new file mode 100755
index 0000000000..2fe81a7d95
--- /dev/null
+++ b/gradlew
@@ -0,0 +1,183 @@
+#!/usr/bin/env sh
+
+#
+# Copyright 2015 the original author or authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+##############################################################################
+##
+## Gradle start up script for UN*X
+##
+##############################################################################
+
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+PRG="$0"
+# Need this for relative symlinks.
+while [ -h "$PRG" ] ; do
+ ls=`ls -ld "$PRG"`
+ link=`expr "$ls" : '.*-> \(.*\)$'`
+ if expr "$link" : '/.*' > /dev/null; then
+ PRG="$link"
+ else
+ PRG=`dirname "$PRG"`"/$link"
+ fi
+done
+SAVED="`pwd`"
+cd "`dirname \"$PRG\"`/" >/dev/null
+APP_HOME="`pwd -P`"
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+ echo "$*"
+}
+
+die () {
+ echo
+ echo "$*"
+ echo
+ exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+ CYGWIN* )
+ cygwin=true
+ ;;
+ Darwin* )
+ darwin=true
+ ;;
+ MINGW* )
+ msys=true
+ ;;
+ NONSTOP* )
+ nonstop=true
+ ;;
+esac
+
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+ if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+ # IBM's JDK on AIX uses strange locations for the executables
+ JAVACMD="$JAVA_HOME/jre/sh/java"
+ else
+ JAVACMD="$JAVA_HOME/bin/java"
+ fi
+ if [ ! -x "$JAVACMD" ] ; then
+ die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+ fi
+else
+ JAVACMD="java"
+ which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+fi
+
+# Increase the maximum file descriptors if we can.
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
+ MAX_FD_LIMIT=`ulimit -H -n`
+ if [ $? -eq 0 ] ; then
+ if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
+ MAX_FD="$MAX_FD_LIMIT"
+ fi
+ ulimit -n $MAX_FD
+ if [ $? -ne 0 ] ; then
+ warn "Could not set maximum file descriptor limit: $MAX_FD"
+ fi
+ else
+ warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
+ fi
+fi
+
+# For Darwin, add options to specify how the application appears in the dock
+if $darwin; then
+ GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
+fi
+
+# For Cygwin or MSYS, switch paths to Windows format before running java
+if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then
+ APP_HOME=`cygpath --path --mixed "$APP_HOME"`
+ CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+ JAVACMD=`cygpath --unix "$JAVACMD"`
+
+ # We build the pattern for arguments to be converted via cygpath
+ ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
+ SEP=""
+ for dir in $ROOTDIRSRAW ; do
+ ROOTDIRS="$ROOTDIRS$SEP$dir"
+ SEP="|"
+ done
+ OURCYGPATTERN="(^($ROOTDIRS))"
+ # Add a user-defined pattern to the cygpath arguments
+ if [ "$GRADLE_CYGPATTERN" != "" ] ; then
+ OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
+ fi
+ # Now convert the arguments - kludge to limit ourselves to /bin/sh
+ i=0
+ for arg in "$@" ; do
+ CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
+ CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option
+
+ if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition
+ eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
+ else
+ eval `echo args$i`="\"$arg\""
+ fi
+ i=`expr $i + 1`
+ done
+ case $i in
+ 0) set -- ;;
+ 1) set -- "$args0" ;;
+ 2) set -- "$args0" "$args1" ;;
+ 3) set -- "$args0" "$args1" "$args2" ;;
+ 4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+ 5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+ 6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+ 7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+ 8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+ 9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+ esac
+fi
+
+# Escape application args
+save () {
+ for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+ echo " "
+}
+APP_ARGS=`save "$@"`
+
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+exec "$JAVACMD" "$@"
diff --git a/gradlew.bat b/gradlew.bat
new file mode 100644
index 0000000000..62bd9b9cce
--- /dev/null
+++ b/gradlew.bat
@@ -0,0 +1,103 @@
+@rem
+@rem Copyright 2015 the original author or authors.
+@rem
+@rem Licensed under the Apache License, Version 2.0 (the "License");
+@rem you may not use this file except in compliance with the License.
+@rem You may obtain a copy of the License at
+@rem
+@rem https://www.apache.org/licenses/LICENSE-2.0
+@rem
+@rem Unless required by applicable law or agreed to in writing, software
+@rem distributed under the License is distributed on an "AS IS" BASIS,
+@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+@rem See the License for the specific language governing permissions and
+@rem limitations under the License.
+@rem
+
+@if "%DEBUG%" == "" @echo off
+@rem ##########################################################################
+@rem
+@rem Gradle startup script for Windows
+@rem
+@rem ##########################################################################
+
+@rem Set local scope for the variables with windows NT shell
+if "%OS%"=="Windows_NT" setlocal
+
+set DIRNAME=%~dp0
+if "%DIRNAME%" == "" set DIRNAME=.
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@rem Resolve any "." and ".." in APP_HOME to make it shorter.
+for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi
+
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
+
+@rem Find java.exe
+if defined JAVA_HOME goto findJavaFromJavaHome
+
+set JAVA_EXE=java.exe
+%JAVA_EXE% -version >NUL 2>&1
+if "%ERRORLEVEL%" == "0" goto init
+
+echo.
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:findJavaFromJavaHome
+set JAVA_HOME=%JAVA_HOME:"=%
+set JAVA_EXE=%JAVA_HOME%/bin/java.exe
+
+if exist "%JAVA_EXE%" goto init
+
+echo.
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:init
+@rem Get command-line arguments, handling Windows variants
+
+if not "%OS%" == "Windows_NT" goto win9xME_args
+
+:win9xME_args
+@rem Slurp the command line arguments.
+set CMD_LINE_ARGS=
+set _SKIP=2
+
+:win9xME_args_slurp
+if "x%~1" == "x" goto execute
+
+set CMD_LINE_ARGS=%*
+
+:execute
+@rem Setup the command line
+
+set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
+
+@rem Execute Gradle
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
+
+:end
+@rem End local scope for the variables with windows NT shell
+if "%ERRORLEVEL%"=="0" goto mainEnd
+
+:fail
+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
+rem the _cmd.exe /c_ return code!
+if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
+exit /b 1
+
+:mainEnd
+if "%OS%"=="Windows_NT" endlocal
+
+:omega
diff --git a/src/main/java/Duke.java b/src/main/java/Duke.java
deleted file mode 100644
index 5d313334cc..0000000000
--- a/src/main/java/Duke.java
+++ /dev/null
@@ -1,10 +0,0 @@
-public class Duke {
- public static void main(String[] args) {
- String logo = " ____ _ \n"
- + "| _ \\ _ _| | _____ \n"
- + "| | | | | | | |/ / _ \\\n"
- + "| |_| | |_| | < __/\n"
- + "|____/ \\__,_|_|\\_\\___|\n";
- System.out.println("Hello from\n" + logo);
- }
-}
diff --git a/src/main/java/pony/Parser.java b/src/main/java/pony/Parser.java
new file mode 100644
index 0000000000..8660920081
--- /dev/null
+++ b/src/main/java/pony/Parser.java
@@ -0,0 +1,149 @@
+package pony;
+
+import pony.command.AddDeadlineCommand;
+import pony.command.AddEventCommand;
+import pony.command.AddToDoCommand;
+import pony.command.Command;
+import pony.command.DeleteCommand;
+import pony.command.ExitCommand;
+import pony.command.FindCommand;
+import pony.command.InvalidCommand;
+import pony.command.ListCommand;
+import pony.command.MarkCommand;
+import pony.command.UnmarkCommand;
+
+
+/**
+ * A parser class to parse command inputs.
+ */
+public class Parser {
+
+ /**
+ * Parse the full command given by user.
+ *
+ * @param fullCommand Command given by user.
+ * @return A command object depends on the user input.
+ */
+ public static Command parseCommand(String fullCommand) {
+ String[] strArr = fullCommand.split(" ",2);
+ String commandType = strArr[0];
+ String commandDetails;
+
+ if (strArr.length != 2) {
+ commandDetails = null;
+ } else {
+ commandDetails = strArr[1];
+ }
+
+ switch (commandType) {
+ case "bye":
+ return new ExitCommand();
+ case "list":
+ return new ListCommand();
+ case "mark":
+ return new MarkCommand(commandDetails);
+ case "unmark":
+ return new UnmarkCommand(commandDetails);
+ case "delete":
+ return new DeleteCommand(commandDetails);
+ case "todo":
+ return new AddToDoCommand(commandDetails);
+ case "deadline":
+ return new AddDeadlineCommand(commandDetails);
+ case "event":
+ return new AddEventCommand(commandDetails);
+ case "find":
+ return new FindCommand(commandDetails);
+ default:
+ return new InvalidCommand();
+ }
+ }
+
+ /**
+ * Parse a command expecting a task index input.
+ *
+ * @param commandDetails Command given by user.
+ * @return Index of the task specified by the user command.
+ * @throws PonyException User did not provide any details.
+ * @throws NumberFormatException User did not provide an integer for task index.
+ */
+ public static int parseTaskIndex(String commandDetails) throws PonyException, NumberFormatException{
+ if (commandDetails == null) {
+ throw new PonyException(":( OOPS!!! Please provide the details!!");
+ } else {
+ int taskIndex = Integer.parseInt(commandDetails);
+ return taskIndex;
+ }
+ }
+
+ /**
+ * Parse a Todo command.
+ *
+ * @param commandDetails Command given by user.
+ * @return Details of the task.
+ * @throws PonyException User did not provide any details.
+ */
+ public static String parseTodoDetails(String commandDetails) throws PonyException {
+ if (commandDetails == null || commandDetails.isBlank()) {
+ throw new PonyException(":( OOPS!!! Please provide the details!!");
+ } else {
+ return commandDetails;
+ }
+ }
+
+ /**
+ * Parse a Deadline command.
+ *
+ * @param commandDetails Command given by user.
+ * @param format Format the command should follow.
+ * @return Details of the task.
+ * @throws PonyException User did not provide any details or not following the format.
+ */
+ public static String[] parseDeadlineDetails(String commandDetails, String format) throws PonyException {
+ if (commandDetails == null) {
+ throw new PonyException(":( OOPS!!! Please provide the details!!");
+ } else {
+ String[] taskInfoArr = commandDetails.split(" /by ", 2);
+ if (taskInfoArr.length != 2) {
+ throw new PonyException(":( OOPS!!! Please provide the details in the following format: " + format);
+ }
+ return taskInfoArr;
+ }
+ }
+
+ /**
+ * Parse an Event command.
+ *
+ * @param commandDetails Command given by user.
+ * @param format Format the command should follow.
+ * @return Details of the task.
+ * @throws PonyException User did not provide any detail or not following the format.
+ */
+ public static String[] parseEventDetails(String commandDetails, String format) throws PonyException {
+ if (commandDetails == null) {
+ throw new PonyException(":( OOPS!!! Please provide the details!!");
+ } else {
+ String[] taskInfoArr = commandDetails.split(" /at ", 2);
+ if (taskInfoArr.length != 2) {
+ throw new PonyException(":( OOPS!!! Please provide the details in the following format: " + format);
+ }
+ return taskInfoArr;
+ }
+ }
+
+ /**
+ * Parse a Find command.
+ *
+ * @param commandDetails Command given by user.
+ * @return Tasks found according to keyword.
+ * @throws PonyException User did not provide any detail.
+ */
+ public static String parseFindDetails(String commandDetails) throws PonyException {
+ if (commandDetails == null) {
+ throw new PonyException(":( OOPS!!! Please provide the details!!");
+ } else {
+ return commandDetails;
+ }
+ }
+
+}
diff --git a/src/main/java/pony/Pony.java b/src/main/java/pony/Pony.java
new file mode 100644
index 0000000000..2b9a8d5966
--- /dev/null
+++ b/src/main/java/pony/Pony.java
@@ -0,0 +1,37 @@
+package pony;
+
+import pony.command.Command;
+
+/**
+ * Pony contains the main logic for the task management program.
+ */
+public class Pony {
+
+ private Storage storage;
+ private TaskList tasks;
+ private Ui ui;
+
+ /**
+ * Constructor for Pony.
+ * @param filePath File path of the memory file.
+ */
+ public Pony(String filePath) {
+ assert filePath != null : "File path should not be empty";
+ ui = new Ui();
+ storage = new Storage(filePath);
+ tasks = new TaskList(storage.loadTaskList());
+ }
+
+ /**
+ * Executes a command from a string and return the response.
+ *
+ * @param command Command detail input by user.
+ * @return Response from the program.
+ */
+ public String runCommand(String command) {
+ Command c = Parser.parseCommand(command);
+ String message = c.execute(tasks, storage, ui);
+ return message;
+ }
+
+}
\ No newline at end of file
diff --git a/src/main/java/pony/PonyException.java b/src/main/java/pony/PonyException.java
new file mode 100644
index 0000000000..a82e9aac02
--- /dev/null
+++ b/src/main/java/pony/PonyException.java
@@ -0,0 +1,15 @@
+package pony;
+
+import java.lang.RuntimeException;
+public class PonyException extends RuntimeException {
+
+ /**
+ * Constructor for PonyException.
+ *
+ * @param message Message to be displayed by the exception is thrown.
+ */
+ public PonyException(String message) {
+ super(message);
+ }
+
+}
diff --git a/src/main/java/pony/Storage.java b/src/main/java/pony/Storage.java
new file mode 100644
index 0000000000..df05d27782
--- /dev/null
+++ b/src/main/java/pony/Storage.java
@@ -0,0 +1,115 @@
+package pony;
+
+import pony.task.Deadline;
+import pony.task.Event;
+import pony.task.Task;
+import pony.task.ToDo;
+
+import java.io.File;
+import java.io.IOException;
+import java.io.FileWriter;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Storage handles all the interaction with the memory.
+ */
+public class Storage {
+ private Path taskListPath = null;
+ private String fileName;
+
+ /**
+ * Constructor for Storage.
+ * @param fileName Description of the path to the memory file.
+ */
+ public Storage(String fileName) {
+ this.fileName = fileName;
+ this.taskListPath = Paths.get(fileName);
+ }
+
+ /**
+ * Loads the list of tasks loaded from memory into the program.
+ *
+ * @return An ArrayList of Tasks.
+ */
+ public ArrayList loadTaskList() {
+ // Check if file exist
+ ArrayList tasks = new ArrayList<>();
+ System.out.println("does the file exist?: " + Files.exists(taskListPath));
+ if (Files.exists(taskListPath)) {
+ try {
+ List taskList = Files.readAllLines(taskListPath);
+ for (int i = 0; i < taskList.size(); i++) {
+ String taskDetail = taskList.get(i);
+ processTaskDetail(taskDetail, tasks);
+ }
+ } catch (IOException | SecurityException e) {
+ System.out.println(e.getMessage());
+ }
+ } else {
+ try {
+ File directory = new File("./data");
+ if (!directory.exists()) {
+ directory.mkdir();
+ }
+ Files.createFile(taskListPath);
+ System.out.println("I created a file!");
+ } catch (IOException | SecurityException e) {
+ System.out.println("File creating error");
+ System.out.println(e.getMessage());
+ }
+ }
+ return tasks;
+ }
+
+ /**
+ * Process task details and turn it into a task.
+ *
+ * @param taskDetail Task details.
+ * @param tasks An ArrayList to store all the tasks.
+ */
+ private void processTaskDetail(String taskDetail, ArrayList tasks) {
+ String[] strArr = taskDetail.split(" \\Q|\\E ", 4);
+ Task newTask = null;
+ switch (strArr[0]) {
+ case "T":
+ newTask = new ToDo(strArr[2]);
+ tasks.add(newTask);
+ break;
+ case "D":
+ newTask = new Deadline(strArr[2], strArr[3]);
+ tasks.add(newTask);
+ break;
+ case "E":
+ newTask = new Event(strArr[2], strArr[3]);
+ tasks.add(newTask);
+ break;
+ }
+ if (strArr[1].equals("1")) {
+ newTask.markAsDone();
+ }
+ }
+
+ /**
+ * Updates the memory with an updated task list.
+ * @param tasks Task list with updated details.
+ */
+ public void updateDisk(TaskList tasks) {
+ String data = "";
+ ArrayList taskArr = tasks.getAllTasks();
+ for (Task task : taskArr) {
+ data += task.saveToDisk();
+ }
+ try {
+ FileWriter fw = new FileWriter(this.fileName, false);
+ fw.write(data);
+ fw.close();
+ } catch (IOException e) {
+ System.out.println("Fail to write to file.");
+ }
+ }
+}
+
diff --git a/src/main/java/pony/TaskList.java b/src/main/java/pony/TaskList.java
new file mode 100644
index 0000000000..bd80bc34fd
--- /dev/null
+++ b/src/main/java/pony/TaskList.java
@@ -0,0 +1,76 @@
+package pony;
+
+import java.util.ArrayList;
+import pony.task.Task;
+
+/**
+ * List of all the tasks.
+ */
+public class TaskList {
+ private ArrayList tasks;
+
+ /**
+ * Constructor for TaskList.
+ *
+ * @param tasks An ArrayList of tasks.
+ */
+ public TaskList(ArrayList tasks) {
+ this.tasks = tasks;
+ }
+
+ /**
+ * Add task to the list if the list does not already contain the task.
+ *
+ * @param task Task to be added in.
+ * @throws PonyException If the list contains that task already.
+ */
+ public void addTask(Task task) throws PonyException {
+ if (tasks.contains(task)) {
+ throw new PonyException("My friend, you have already recorded this task!! So forgetful!");
+ }
+ this.tasks.add(task);
+ }
+
+ /**
+ * Remove a task from the list.
+ *
+ * @param index Index of the task to be removed.
+ */
+ public void deleteTask(int index) {
+ this.tasks.remove(index);
+ }
+
+ /**
+ * Get all the tasks.
+ *
+ * @return An ArrayList of tasks.
+ */
+ public ArrayList getAllTasks() {
+ return this.tasks;
+ }
+
+ /**
+ * Get how many tasks in the list.
+ *
+ * @return The number of tasks in the list.
+ */
+ public int sizeOf() {
+ return this.tasks.size();
+ }
+
+ /**
+ * Get a task from the list using an index.
+ *
+ * @param index The task index in the list.
+ * @return A task.
+ * @throws PonyException if the task index is invalid.
+ */
+ public Task getTask(int index) throws PonyException {
+ // Check if index is valid
+ if (index < 0 || index >= sizeOf()) {
+ throw new PonyException("My friend, I can't find this task number!!");
+ }
+ assert index < sizeOf() && index >= 0 : "Task index should be valid";
+ return tasks.get(index);
+ }
+}
diff --git a/src/main/java/pony/Ui.java b/src/main/java/pony/Ui.java
new file mode 100644
index 0000000000..185edabbf0
--- /dev/null
+++ b/src/main/java/pony/Ui.java
@@ -0,0 +1,133 @@
+package pony;
+
+import java.util.ArrayList;
+import java.util.Scanner;
+
+import pony.task.Task;
+
+
+
+/**
+ * A UI class handling all user interaction.
+ */
+public class Ui {
+ Scanner sc;
+
+ /**
+ * Constructor for Ui.
+ */
+ public Ui() {
+ this.sc = new Scanner(System.in);
+ };
+
+ /**
+ * Generate the welcome message.
+ *
+ * @return A welcome message.
+ */
+ public static String printWelcome() {
+ String message = "Hello! I'm Pony!!!!\nNever forget - Friendship is Magic!!!\n"
+ + "My dear friend, what can I do for you?";
+ return message;
+ }
+
+ /**
+ * Generate an exit message.
+ *
+ * @return An exit message.
+ */
+ public String printExit() {
+ String message = "Bye, friend. Hope to see you again soon!\nNever forget - Friendship is Magic!!!";
+ return message;
+ }
+
+ /**
+ * Generate a message when a task is marked.
+ *
+ * @param task Task to be mark.
+ * @return A command message.
+ */
+ public String printMarkedTask(Task task) {
+ String message = "Well done, my friend! I've marked this task as done:\n";
+ message += task.toString();
+ return message;
+ }
+
+ /**
+ * Generate a message when a task is unmarked.
+ *
+ * @param task Task to be unmark.
+ * @return A command message.
+ */
+ public String printUnmarkedTask(Task task) {
+ String message = "My friend, I've marked this task as not done yet:\n";
+ message += task.toString();
+ return message;
+ }
+
+ /**
+ * Generate a massage when a task is deleted.
+ *
+ * @param task Task to be deleted.
+ * @param tasks A list of tasks.
+ * @return A command message.
+ */
+ public String printDeletedTask(Task task, TaskList tasks) {
+ String message = "Alright my friend, I've removed this task:\n";
+ message += task.toString() + "\n" + "Now you have " + tasks.sizeOf() + " tasks in the list.";
+ return message;
+ }
+
+ /**
+ * Generate a message when a task is added.
+ *
+ * @param task Task to be added.
+ * @param tasks A list of tasks.
+ * @return A command message.
+ */
+ public String printAddedTask(Task task, TaskList tasks) {
+ String message = "Got it my friend. I've added this task:\n";
+ message += task.toString() + "\n" + "Now you have " + tasks.sizeOf() + " tasks in the list.";
+ return message;
+ }
+
+ /**
+ * Generate the task list.
+ *
+ * @param tasks A list of tasks.
+ * @return A command message.
+ */
+ public String printTaskList(TaskList tasks) {
+ String message = "";
+ if (tasks.sizeOf() == 0) {
+ message = "There is nothing on the list!";
+ } else {
+ message = "Let's look at the tasks in your list:\n";
+ for (int i = 0; i < tasks.sizeOf(); i++) {
+ int serialNumber = i + 1;
+ message += serialNumber + ". " + tasks.getTask(i).toString() + "\n";
+ }
+ }
+ return message;
+ }
+
+ /**
+ * Generate a message of a find command.
+ *
+ * @param tasks A list of tasks.
+ * @return A list of matching tasks.
+ */
+ public String printFindResult(ArrayList tasks) {
+ String message = "";
+ if (tasks.size() == 0) {
+ message = "There is no matching task!";
+ } else {
+ message = "Alright, Here's what pony found!\n";
+ for (int i = 0; i < tasks.size(); i++) {
+ int serialNumber = i + 1;
+ message += serialNumber + ". " + tasks.get(i).toString() + "\n";
+ }
+ }
+ return message;
+ }
+}
diff --git a/src/main/java/pony/command/AddDeadlineCommand.java b/src/main/java/pony/command/AddDeadlineCommand.java
new file mode 100644
index 0000000000..7ec2ce03e4
--- /dev/null
+++ b/src/main/java/pony/command/AddDeadlineCommand.java
@@ -0,0 +1,58 @@
+package pony.command;
+
+import pony.Parser;
+import pony.PonyException;
+import pony.Storage;
+import pony.TaskList;
+import pony.Ui;
+
+import pony.task.Deadline;
+import pony.task.Task;
+
+
+import java.time.format.DateTimeParseException;
+
+/**
+ * Command for adding Deadline Task.
+ */
+public class AddDeadlineCommand extends Command {
+
+ private String commandDetails;
+ private String format = " /by