package cmd

import (
	"fmt"
	"os"

	"sub-cli/internal/config"
	"sub-cli/internal/converter"
	"sub-cli/internal/formatter"
	"sub-cli/internal/sync"
)

// Execute runs the main CLI application
func Execute() {
	// parse args
	if len(os.Args) < 2 {
		fmt.Println(config.Usage)
		return
	}

	switch os.Args[1] {
	case "sync":
		handleSync(os.Args[2:])
	case "convert":
		handleConvert(os.Args[2:])
	case "fmt":
		handleFormat(os.Args[2:])
	case "version":
		fmt.Printf("sub-cli version %s\n", config.Version)
	case "help":
		fmt.Println(config.Usage)
	default:
		fmt.Println("Unknown command")
		fmt.Println(config.Usage)
	}
}

// handleSync handles the sync command
func handleSync(args []string) {
	if len(args) < 2 {
		fmt.Println(config.SyncUsage)
		return
	}

	sourceFile := args[0]
	targetFile := args[1]

	if err := sync.SyncLyrics(sourceFile, targetFile); err != nil {
		fmt.Printf("Error: %v\n", err)
	}
}

// handleConvert handles the convert command
func handleConvert(args []string) {
	if len(args) < 2 {
		fmt.Println(config.ConvertUsage)
		return
	}

	sourceFile := args[0]
	targetFile := args[1]

	if err := converter.Convert(sourceFile, targetFile); err != nil {
		fmt.Printf("Error: %v\n", err)
	}
}

// handleFormat handles the fmt command
func handleFormat(args []string) {
	if len(args) < 1 {
		fmt.Println("Usage: sub-cli fmt <file>")
		return
	}

	filePath := args[0]

	if err := formatter.Format(filePath); err != nil {
		fmt.Printf("Error: %v\n", err)
	}
}