package view

import (
	"fmt"
	"net/http"

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

// HTTP HANDLER METHODS

func Handler() http.Handler {
    mux := http.NewServeMux()

    mux.Handle("/", http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
        if r.URL.Path == "/" {
            ServeCatalog().ServeHTTP(w, r)
            return
        }

        var release model.Release
        err := global.DB.Get(&release, "SELECT * FROM musicrelease WHERE id=$1", r.URL.Path[1:])
        if err != nil {
            http.NotFound(w, r)
            return
        }

        ServeGateway(release).ServeHTTP(w, r)
    }))

    return mux
}

func ServeCatalog() http.Handler {
    return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
        dbReleases, err := music.GetAllReleases(global.DB)
        if err != nil {
            fmt.Printf("FATAL: Failed to pull releases for catalog: %s\n", err)
            http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
            return
        }
        releases := []*model.FullRelease{}
        for _, dbRelease := range dbReleases {
            if !dbRelease.Visible { continue }
            if !dbRelease.IsReleased() {
                dbRelease.ReleaseType = model.Upcoming
            }
            release, err := music.GetFullRelease(global.DB, dbRelease.ID)
            if err != nil {
                fmt.Printf("FATAL: Failed to pull full release for %s: %s\n", dbRelease.ID, err)
                http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
                return
            }
            releases = append(releases, release)
        }

        err = templates.Pages["music"].Execute(w, releases)
        if err != nil {
            http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
        }
    })
}