package main

import (
	"bytes"
	"encoding/json"
	"fmt"
	"io"
	"log"
	"net/http"
	"os"
)

func (a *App) SimklGetUserWatchlist() SimklWatchList {
	client := &http.Client{}

	req, _ := http.NewRequest("GET", "https://api.simkl.com/sync/all-items/anime/watching", nil)

	req.Header.Add("Content-Type", "application/json")
	req.Header.Add("Authorization", "Bearer "+simklJwt.AccessToken)
	req.Header.Add("simkl-api-key", os.Getenv("SIMKL_CLIENT_ID"))

	resp, err := client.Do(req)

	if err != nil {
		fmt.Println("Errored when sending request to the server")
		return SimklWatchList{}
	}

	defer resp.Body.Close()
	respBody, _ := io.ReadAll(resp.Body)

	var watchlist SimklWatchList

	err = json.Unmarshal(respBody, &watchlist)
	if err != nil {
		log.Printf("Failed at unmarshal, %s\n", err)
	}

	return watchlist
}

func SimklPostHelper(url string, body interface{}) json.RawMessage {
	reader, _ := json.Marshal(body)

	client := &http.Client{}

	req, _ := http.NewRequest("POST", url, bytes.NewBuffer(reader))

	req.Header.Add("Content-Type", "application/json")
	req.Header.Add("Authorization", "Bearer "+simklJwt.AccessToken)
	req.Header.Add("simkl-api-key", os.Getenv("SIMKL_CLIENT_ID"))

	resp, err := client.Do(req)

	if err != nil {
		fmt.Println("Errored when sending request to the server")
		message, _ := json.Marshal(struct {
			Message string `json:"message" ts_type:"message"`
		}{
			Message: "Errored when sending request to the server" + err.Error(),
		})

		return message
	}

	defer resp.Body.Close()
	respBody, _ := io.ReadAll(resp.Body)

	return respBody

}

func (a *App) SimklSyncEpisodes(anime Anime, progress int) interface{} {

	var episodes []Episode
	var url string
	var shows []SimklPostShow

	if progress >= anime.WatchedEpisodesCount {
		for i := 1; i <= progress; i++ {
			episodes = append(episodes, Episode{Number: i})
		}
		url = "https://api.simkl.com/sync/history"
	} else {
		for i := anime.WatchedEpisodesCount; i > progress; i-- {
			episodes = append(episodes, Episode{Number: i})
		}
		url = "https://api.simkl.com/sync/history/remove"
	}

	formattedShow := SimklPostShow{
		Title: anime.Show.Title,
		Ids: Ids{
			Simkl:   anime.Show.Ids.Simkl,
			Mal:     anime.Show.Ids.Mal,
			Anilist: anime.Show.Ids.AniList,
		},
		Episodes: episodes,
	}

	shows = append(shows, formattedShow)

	simklSync := SimklSyncHistoryType{shows}

	respBody := SimklPostHelper(url, simklSync)

	var success interface{}

	err := json.Unmarshal(respBody, &success)
	if err != nil {
		log.Printf("Failed at unmarshal, %s\n", err)
	}

	return success
}