package web

import (
	"context"
	"net/http"

	"git.noroutes.net/NoRoutes/vibetunes/internal/database"
)

func (h *Web) handlePodcasts(w http.ResponseWriter, r *http.Request) {
	channels, err := database.ListPodcastChannels(h.DB)
	if err != nil {
		http.Error(w, "internal error", http.StatusInternalServerError)
		return
	}
	type channelView struct {
		Channel  *database.PodcastChannel
		Episodes []*database.PodcastEpisode
	}
	var views []channelView
	for _, c := range channels {
		episodes, _ := database.ListPodcastEpisodes(h.DB, c.ID)
		views = append(views, channelView{Channel: c, Episodes: episodes})
	}
	h.page(w, r, "podcasts", "podcasts", "Podcasts", views)
}

func (h *Web) handlePodcastDownload(w http.ResponseWriter, r *http.Request) {
	id := r.PathValue("id")
	if _, err := database.GetPodcastEpisode(h.DB, id); err != nil {
		http.NotFound(w, r)
		return
	}
	go func() { _ = h.Podcasts.DownloadEpisode(context.Background(), id) }()
	http.Redirect(w, r, "/podcasts", http.StatusFound)
}

func (h *Web) handlePodcastDownloadAll(w http.ResponseWriter, r *http.Request) {
	id := r.PathValue("id")
	if _, err := database.GetPodcastChannel(h.DB, id); err != nil {
		http.NotFound(w, r)
		return
	}
	if err := r.ParseForm(); err != nil {
		http.Error(w, "bad request", http.StatusBadRequest)
		return
	}
	go func() {
		if err := h.Podcasts.DownloadChannel(context.Background(), id); err != nil && h.Log != nil {
			h.Log.Warn("podcast channel download failed", "channel", id, "err", err)
		}
	}()
	destination := "/podcasts"
	if next := r.FormValue("next"); next != "" {
		destination = safeRedirectPath(next)
	}
	http.Redirect(w, r, destination, http.StatusFound)
}