package api

import (
	"encoding/json"
	"net/http"

	"github.com/fujin/music-agregator/internal/services"
)

func (h *Handlers) Sync(w http.ResponseWriter, r *http.Request) {
	var req struct {
		Artist   string  `json:"artist"`
		Album    *string `json:"album,omitempty"`
		Download *bool   `json:"download,omitempty"`
		Store    *bool   `json:"store,omitempty"`
	}
	if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
		writeError(w, http.StatusBadRequest, "invalid request body")
		return
	}

	download := true
	if req.Download != nil {
		download = *req.Download
	}
	store := true
	if req.Store != nil {
		store = *req.Store
	}

	options := services.SyncOptions{
		Artist:   req.Artist,
		Album:    req.Album,
		Download: download,
		Store:    store,
	}

	result, err := services.Sync(r.Context(), options, h.MetadataClient, h.IndexerService, h.TorrentService, h.DB)
	if err != nil {
		if _, ok := err.(*services.NotFoundError); ok {
			writeError(w, http.StatusNotFound, err.Error())
			return
		}
		writeError(w, http.StatusInternalServerError, err.Error())
		return
	}

	writeJSON(w, http.StatusOK, result)
}

func (h *Handlers) AddToBlocklist(w http.ResponseWriter, r *http.Request) {
	if h.DB == nil {
		writeError(w, http.StatusServiceUnavailable, "database not connected")
		return
	}

	var req struct {
		AlbumID     string  `json:"album_id"`
		SourceTitle string  `json:"source_title"`
		GUID        *string `json:"guid"`
		TorrentHash *string `json:"torrent_hash"`
		Indexer     *string `json:"indexer"`
	}
	if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
		writeError(w, http.StatusBadRequest, "invalid request body")
		return
	}

	albumID, err := parseUUID(req.AlbumID)
	if err != nil {
		writeError(w, http.StatusBadRequest, "invalid album_id")
		return
	}

	artistID, err := h.DB.GetArtistIDByAlbum(r.Context(), albumID)
	if err != nil {
		writeError(w, http.StatusNotFound, "album not found")
		return
	}

	if err := h.DB.AddToBlocklist(r.Context(), *artistID, albumID, req.SourceTitle, req.TorrentHash, req.Indexer); err != nil {
		writeError(w, http.StatusInternalServerError, err.Error())
		return
	}

	writeJSON(w, http.StatusOK, map[string]any{
		"added": true,
	})
}