package plugin

import (
	"compress/gzip"
	"fmt"
	"io"
	"regexp"
	"strings"

	"gitea.elara.ws/Hazel/music-kraken/internal/common"
	"gitea.elara.ws/Hazel/music-kraken/internal/data"
	"gitea.elara.ws/Hazel/music-kraken/internal/scraper"
)

func extractName(s string) string {
	parts := strings.Split(s, "/")
	lastPart := parts[len(parts)-1]
	hyphenParts := strings.Split(lastPart, "-")
	result := strings.Join(hyphenParts[:len(hyphenParts)-1], " ")
	return result
}

type Musify struct {
	session *scraper.Session
}

func (m Musify) Name() string {
	return "Musify"
}

func (m Musify) Regex() *regexp.Regexp {
	return regexp.MustCompile(`(?i)https?://musify\.club/(artist|release|track)/[a-z\-0-9]+`)
}

func (m Musify) RegexArtist() *regexp.Regexp {
	return regexp.MustCompile(`(?i)https?://musify\.club/artist/[a-z\-0-9]+`)
}

func (m Musify) RegexAlbum() *regexp.Regexp {
	return regexp.MustCompile(`(?i)https?://musify\.club/release/[a-z\-0-9]+`)
}

func (m *Musify) Init() {
	m.session = scraper.NewSession()
}

func (m Musify) RegexSong() *regexp.Regexp {
	return regexp.MustCompile(`(?i)https?://musify\.club/track/[a-z\-0-9]+`)
}

func (m *Musify) Search(query common.Query) ([]data.MusicObject, error) {
	musicObjects := []data.MusicObject{}

	resp, err := m.session.PostMultipartForm("https://musify.club/en/search", map[string]string{
		"SearchText": query.Search, // alternatively I could also add year and genre
	})
	if err != nil {
		return musicObjects, err
	}

	defer resp.Body.Close()

	var bodyReader io.Reader = resp.Body

	// Check if we need to decompress manually
	if resp.Header.Get("Content-Encoding") == "gzip" && false {
		fmt.Println("Response is gzipped, decompressing...")
		gzReader, err := gzip.NewReader(resp.Body)
		if err != nil {
			panic(err)
		}
		defer gzReader.Close()
		bodyReader = gzReader
	}

	body, err := io.ReadAll(bodyReader)
	if err != nil {
		panic(err)
	}

	fmt.Printf("Response length: %d bytes\n", len(body))
	fmt.Println("Content:")
	fmt.Println(string(body))

	fmt.Println(resp.Header)
	fmt.Println(resp.StatusCode)

	return musicObjects, nil
}

func (m Musify) FetchSong(source data.Source) (data.Song, error) {
	return data.Song{
		Name: extractName(source.Url),
	}, nil
}

func (m Musify) FetchAlbum(source data.Source) (data.Album, error) {
	return data.Album{
		Name: extractName(source.Url),
	}, nil
}

func (m Musify) FetchArtist(source data.Source) (data.Artist, error) {
	return data.Artist{
		Name: extractName(source.Url),
	}, nil
}