package extmedias

import (
	"errors"
	"net/http"

	"gitlab.quimbo.fr/odwrtw/canape-sql/src/internal/auth"
	"gitlab.quimbo.fr/odwrtw/canape-sql/src/internal/backend"
	"gitlab.quimbo.fr/odwrtw/canape-sql/src/internal/movies"
	"gitlab.quimbo.fr/odwrtw/canape-sql/src/internal/shows"
	"gitlab.quimbo.fr/odwrtw/canape-sql/src/internal/users"
	"gitlab.quimbo.fr/odwrtw/canape-sql/src/internal/web"

	"github.com/Sirupsen/logrus"
	polochon "github.com/odwrtw/polochon/lib"
)

// RefreshHandler refresh the explored movies
func RefreshHandler(env *web.Env, w http.ResponseWriter, r *http.Request) error {
	log := env.Log.WithFields(logrus.Fields{
		"function": "extmedias.RefreshHandler",
	})
	log.Debugf("refreshing shows and movies")
	Refresh(env)
	log.Debugf("done refreshing shows and movies")
	return nil
}

// RefreshMoviesHandler refresh the explored movies
func RefreshMoviesHandler(env *web.Env, w http.ResponseWriter, r *http.Request) error {
	log := env.Log.WithFields(logrus.Fields{
		"function": "extmedias.RefreshMoviesHandler",
	})
	log.Debugf("refreshing movies")
	RefreshMovies(env)
	log.Debugf("done refreshing movies")
	return nil
}

// RefreshShowsHandler refresh the explored shows
func RefreshShowsHandler(env *web.Env, w http.ResponseWriter, r *http.Request) error {
	log := env.Log.WithFields(logrus.Fields{
		"function": "extmedias.RefreshShowsHandler",
	})
	log.Debugf("refreshing shows")
	RefreshShows(env)
	log.Debugf("done refreshing shows")
	return nil
}

// GetMovies get some movies
func GetMovies(env *web.Env, user *users.User, source string, category string) ([]*movies.Movie, error) {
	log := env.Log.WithFields(logrus.Fields{
		"source":   source,
		"category": category,
		"function": "extmedias.GetMovies",
	})
	log.Debugf("getting movies")
	media, err := backend.Explore(env.Database, "movie", source, category)
	if err != nil {
		return nil, err
	}

	// Create a papi client
	client, err := user.NewPapiClient()
	if err != nil {
		return nil, err
	}

	// Get the user's polochon movies
	pMovies, err := client.GetMovies()
	if err != nil {
		return nil, err
	}

	// Get the user's wishlisted movies
	moviesWishlist, err := backend.GetMovieWishlist(env.Database, user.ID)
	if err != nil {
		return nil, err
	}

	movieList := []*movies.Movie{}
	// Fill all the movies infos from the list of IDs
	for _, id := range media.IDs {
		pMovie, _ := pMovies.Has(id)
		movie := movies.New(id, client, pMovie, moviesWishlist.IsMovieInWishlist(id), env.Config.PublicDir, env.Config.ImgURLPrefix)
		// First check in the DB
		before := []polochon.Detailer{env.Backend.Detailer}
		// Then with the default detailers
		after := env.Config.MovieDetailers
		err := movie.GetAndFetch(env, before, after)
		if err != nil {
			env.Log.Errorf("error while getting movie details : %s", err)
			continue
		}

		// Look only for torrents in db
		torrenters := []polochon.Torrenter{env.Backend.Torrenter}
		err = movie.GetTorrents(env, torrenters)
		if err != nil {
			env.Log.Errorf("error while getting movie torrents : %s", err)
			continue
		}

		movieList = append(movieList, movie)
	}
	return movieList, nil
}

// GetShows get some shows
func GetShows(env *web.Env, user *users.User, source string, category string, force bool) ([]*shows.Show, error) {
	log := env.Log.WithFields(logrus.Fields{
		"source":   source,
		"category": category,
		"function": "extmedias.GetShows",
	})
	log.Debugf("getting shows")
	// Get the user's polochon config
	media, err := backend.Explore(env.Database, "show", source, category)
	if err != nil {
		return nil, err
	}

	// Create a papi client
	client, err := user.NewPapiClient()
	if err != nil {
		return nil, err
	}

	// Get the polochon's shows
	pShows, err := client.GetShows()
	if err != nil {
		return nil, err
	}

	// Get the user's wishlisted shows
	wShows, err := backend.GetShowWishlist(env.Database, user.ID)
	if err != nil {
		return nil, err
	}

	showList := []*shows.Show{}
	// Fill all the shows infos from the list of IDs
	for _, id := range media.IDs {
		pShow, _ := pShows.Has(id)
		wShow, _ := wShows.IsShowInWishlist(id)
		show := shows.NewWithClient(id, client, pShow, wShow, env.Config.PublicDir, env.Config.ImgURLPrefix)

		// First check in the DB
		before := []polochon.Detailer{env.Backend.Detailer}
		// Then with the default detailers
		after := env.Config.ShowDetailers
		err := show.GetAndFetch(env, before, after)
		if err != nil {
			env.Log.Errorf("error while getting show details : %s", err)
			continue
		}
		showList = append(showList, show)
	}
	return showList, nil
}

// ExploreMovies will explore some movies from the db
func ExploreMovies(env *web.Env, w http.ResponseWriter, r *http.Request) error {
	err := r.ParseForm()
	if err != nil {
		return err
	}

	source := r.FormValue("source")
	// Default source
	if source == "" {
		source = "trakttv"
	}

	category := r.FormValue("category")
	// Default category
	if category == "" {
		category = "popular"
	}

	v := auth.GetCurrentUser(r, env.Log)
	user, ok := v.(*users.User)
	if !ok {
		return env.RenderError(w, errors.New("invalid user"))
	}

	// Get the medias without trying to refresh them
	movies, err := GetMovies(env, user, source, category)
	if err != nil {
		return env.RenderError(w, err)
	}

	return env.RenderJSON(w, movies)
}

// ExploreShows will explore some shows
func ExploreShows(env *web.Env, w http.ResponseWriter, r *http.Request) error {
	err := r.ParseForm()
	if err != nil {
		return err
	}

	source := r.FormValue("source")
	// Default source
	if source == "" {
		source = "eztv"
	}

	category := r.FormValue("category")
	// Default category
	if category == "" {
		category = "rating"
	}

	v := auth.GetCurrentUser(r, env.Log)
	user, ok := v.(*users.User)
	if !ok {
		return env.RenderError(w, errors.New("invalid user"))
	}

	// Get the medias without trying to refresh them
	shows, err := GetShows(env, user, source, category, false)
	if err != nil {
		return env.RenderError(w, err)
	}

	return env.RenderJSON(w, shows)
}

// MovieExplorerOptions will return all the explore movie options available
func MovieExplorerOptions(env *web.Env, w http.ResponseWriter, r *http.Request) error {
	// Get the list of movie explorer options available
	movieOptions, err := GetMovieOptions(env)
	if err != nil {
		return env.RenderError(w, err)
	}

	return env.RenderJSON(w, movieOptions)
}

// ShowExplorerOptions will return all the explore show options available
func ShowExplorerOptions(env *web.Env, w http.ResponseWriter, r *http.Request) error {
	// Get the list of show explorer options available
	showOptions, err := GetShowOptions(env)
	if err != nil {
		return env.RenderError(w, err)
	}

	return env.RenderJSON(w, showOptions)
}