render.go

package main

import (
	"fmt"
	"strings"
)

// getBlockSymbol returns color blocks based on levels
func getBlockSymbol(count int) string {
	const reset = "\033[0m"
	switch {
	case count == 0:
		return "\033[38;2;45;51;59m████" + reset
	case count <= 2:
		return "\033[38;2;14;68;41m████" + reset
	case count <= 5:
		return "\033[38;2;0;109;50m████" + reset
	case count <= 10:
		return "\033[38;2;38;166;65m████" + reset
	default:
		return "\033[38;2;57;211;83m████" + reset
	}
}

// RenderDashboard prints formatted ASCII components and metrics inside a quiet terminal UI frame
func RenderDashboard(days []Day, stats Stats) {
	if len(days) == 0 {
		fmt.Println("No activity data to render.")
		return
	}

	startDate := days[0].Date[5:]         
	endDate := days[len(days)-1].Date[5:] 

	totalGraphChars := (len(days) * 5) - 1
	paddingLength := totalGraphChars - len(startDate) - len(endDate)
	if paddingLength < 2 {
		paddingLength = 2
	}
	middlePadding := strings.Repeat(" ", paddingLength)

	fmt.Println()
	fmt.Printf("📊 GitHub Activity (%d Days Log)\n", stats.TargetDays)
	fmt.Println(strings.Repeat("─", totalGraphChars+13))
	fmt.Printf("📅 Timeline:  %s%s%s\n", startDate, middlePadding, endDate)
	fmt.Print("🟩 Activity:  ")
	for i, day := range days {
		fmt.Print(getBlockSymbol(day.Count))
		if i < len(days)-1 {
			fmt.Print(" ")
		}
	}
	fmt.Println()
	fmt.Println(strings.Repeat("─", totalGraphChars+13))
	fmt.Printf("🔥 Current Streak: %d Days  |  🏆 Longest: %d Days  |  📦 Today: %d Commits\n", 
		stats.CurrentStreak, stats.LongestStreak, stats.TodayCommits)
	fmt.Printf("📈 Avg Commit/Day: %.2f\n\n", stats.AveragePerDay)
}

// RenderWeeklyDashboard prints a vertical bar graph of the week's activity
func RenderWeeklyDashboard(stats WeeklyStats) {
	const reset = "\033[0m"
	const activeGreen = "\033[38;2;57;211;83m"
	const highlightGold = "\033[38;2;227;179;65m"
	const gray = "\033[38;2;100;100;100m"
	const maxBarLength = 30 // Maximum length of the visual ASCII bar

	fmt.Println("\n📊 Weekly Activity Graph")
	fmt.Println("──────────────────────────────────────────────────")

	for _, day := range stats.Days {
		barLength := 0
		if stats.Max > 0 {
			// Calculate proportional scaling
			barLength = (day.Count * maxBarLength) / stats.Max
		}

		// Prepare the visual representation bar
		var bar string
		if day.Count == 0 {
			bar = gray + "·" + reset // Subtle single dot for zero commit days
		} else {
			bar = activeGreen + strings.Repeat("█", barLength) + reset 
		}

		// Check if this day is the best performing day
		bestIndicator := ""
		if day.Count > 0 && day.Weekday == stats.BestDay {
			bestIndicator = highlightGold + " ⭐ Best" + reset
		}

		// Print layout line
		fmt.Printf("%s  %-30s  %3d commits%s\n", day.Weekday, bar, day.Count, bestIndicator)
	}

	fmt.Println("──────────────────────────────────────────────────")
	fmt.Printf("📦 Weekly Total: %d commits | 🏆 Top Activity: %s\n\n", stats.Total, stats.BestDay)
}