package discord

import (
	"fmt"
	"strings"

	"git.birbmc.com/canopeas/config"
	"git.birbmc.com/canopeas/imgur"

	"github.com/bwmarrin/discordgo"
)

func Album(cfg *config.Config) error {
	for _, a := range cfg.Albums {
		images, err := imgur.Get(cfg.ImgurClientID, a.AlbumID)
		if err != nil {
			return err
		}
		commands = append(commands, &command{
			name:    a.Name,
			aliases: a.Aliases,
			child:   true,
			validate: func(cmd commandInit) bool {
				return true
			},
			run: func(cmd commandInit) (string, error) {
				if !memeRateLimit.Try() {
					return "", nil
				}
				img := images[rand.Intn(len(images))-1]
				return img.Link, nil
			},
			help: a.Help,
		})
	}

	commands = append(commands, &command{
		deleteInvocation: true,
		name:             "albums",
		validate: func(cmd commandInit) bool {
			return true
		},
		run: func(cmd commandInit) (string, error) {
			embed := &discordgo.MessageEmbed{
				Title:  "Album Commands",
				Fields: make([]*discordgo.MessageEmbedField, len(cfg.Albums)),
			}
			for i, a := range cfg.Albums {
				name := a.Name
				if len(a.Aliases) > 0 {
					name += fmt.Sprintf(" (%s)", strings.Join(a.Aliases, ", "))
				}
				embed.Fields[i] = &discordgo.MessageEmbedField{
					Name:   name,
					Value:  a.Help,
					Inline: true,
				}
			}

			channel, err := cmd.session.UserChannelCreate(cmd.message.Author.ID)
			if err != nil {
				return "", err
			}

			sendEmbed(cmd.session, channel.ID, embed)
			return "", nil
		},
		help: "Get all imgur albums",
	})
	return nil
}