package admin

import (
	"fmt"
	"net/http"
	"strings"

	"arimelody.me/arimelody.me/global"
    "arimelody.me/arimelody.me/music/model"
    "arimelody.me/arimelody.me/music/controller"
)

func serveTrack() http.Handler {
    return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
        slices := strings.Split(r.URL.Path[1:], "/")
        id := slices[0]
        track, err := music.GetTrack(global.DB, id)
        if err != nil {
            fmt.Printf("Error rendering admin track page for %s: %s\n", id, err)
            http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
            return
        }
        if track == nil {
            http.NotFound(w, r)
            return
        }

        dbReleases, err := music.GetTrackReleases(global.DB, track.ID)
        if err != nil {
            fmt.Printf("Error rendering admin track page for %s: %s\n", id, err)
            http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
            return
        }
        releases := []model.FullRelease{}
        for _, release := range dbReleases {
            fullRelease, err := music.GetFullRelease(global.DB, release.ID)
            if err != nil {
                fmt.Printf("FATAL: Failed to pull full release data for %s: %s\n", release.ID, err)
                http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
                return
            }
            releases = append(releases, *fullRelease)
        }

        type Track struct {
            *model.Track
            Releases    []model.FullRelease
        }

        err = pages["track"].Execute(w, Track{ Track: track, Releases: releases })
        if err != nil {
            fmt.Printf("Error rendering admin track page for %s: %s\n", id, err)
            http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
        }
    })
}