package main

import (
	"flag"
	"fmt"
	"html/template"
	"net/http"
	"os"
	"strings"
	"sync"

	"embed"
)

type Item struct {
	MPD         string
	Keys        string
	Filename    string
	Description string
	Subtitles   string
	Poster      string
	Metadata    string
}

type Items struct {
	Items []Item
}

type Metadata struct {
	Title  string
	Type   string
	Season string
}

var progressMutex sync.Mutex
var progress = make(map[string]*ProgressInfo)

const uploadDir = "uploads"

type ProgressInfo struct {
	Percentage  float64
	CurrentFile string
}

var templates *template.Template

//go:embed templates
var templateFS embed.FS

func init() {
	if err := os.MkdirAll(uploadDir, 0755); err != nil {
		fmt.Printf("Error creating upload directory: %v\n", err)
	}

	templates = template.Must(template.ParseFS(templateFS, "templates/*"))
}

func main() {
	loadConfig()
	inputFile := flag.String("f", "", "Path to the input JSON file")
	flag.Parse()

	if *inputFile == "" {
		startWebServer()
	} else {
		items, err := parseInputFile(*inputFile)
		if err != nil {
			fmt.Printf("Error parsing input file: %v\n", err)
			return
		}
		processItems(*inputFile, items)
	}
}

func startWebServer() {
	http.HandleFunc("/", handleRoot)
	http.HandleFunc("/upload", handleUpload)
	http.HandleFunc("/select", handleSelect)
	http.HandleFunc("/process", handleProcess)
	http.HandleFunc("/progress", handleProgress)
	http.HandleFunc("/abort", handleAbort)
	http.HandleFunc("/pause", handlePause)
	http.HandleFunc("/resume", handleResume)

	fmt.Println("Starting web server on http://0.0.0.0:8080")
	http.ListenAndServe(":8080", nil)
}

func updateProgress(filename string, value float64, currentFile string) {
	progressMutex.Lock()
	defer progressMutex.Unlock()
	progress[filename] = &ProgressInfo{
		Percentage:  value,
		CurrentFile: currentFile,
	}
	fmt.Printf("Progress updated for %s: %.2f%%, Current file: %s\n", filename, value, currentFile)
}

func getProgress(filename string) *ProgressInfo {
	progressMutex.Lock()
	defer progressMutex.Unlock()
	return progress[filename]
}

func getKeys(keys string) []string {
	return strings.Split(keys, ",")
}

func parseMetadata(metadata string) Metadata {
	parts := strings.Split(metadata, ";")
	if len(parts) != 3 {
		return Metadata{}
	}
	return Metadata{
		Title:  strings.TrimSpace(parts[0]),
		Type:   strings.TrimSpace(parts[1]),
		Season: "S" + strings.TrimSpace(parts[2]),
	}
}