package cc.fascinated.bat.features.welcomer;

import cc.fascinated.bat.common.ChannelUtils;
import cc.fascinated.bat.common.Serializable;
import cc.fascinated.bat.model.BatGuild;
import cc.fascinated.bat.model.BatUser;
import com.google.gson.Gson;
import lombok.Getter;
import lombok.Setter;
import net.dv8tion.jda.api.entities.channel.concrete.TextChannel;
import org.bson.Document;

/**
 * @author Fascinated (fascinated7)
 */
@Getter @Setter
public class WelcomerProfile extends Serializable {
    /**
     * The welcomer message, null if we're using an embed
     */
    private WelcomerMessage welcomerMessage;

    /**
     * The welcomer embed, null if we're using a message
     */
    private WelcomerEmbed welcomerEmbed;

    /**
     * The channel to send the welcomer messages to
     */
    private TextChannel channel;

    /**
     * Gets the welcomer message
     *
     * @return The welcomer message, false if we're using an embed
     */
    public boolean isEmbed() {
        return welcomerEmbed != null;
    }

    /**
     * Gets the welcomer message
     *
     * @return The welcomer message, false if we're using an embed
     */
    public boolean isMessage() {
        return welcomerMessage != null;
    }

    /**
     * Sets the welcomer message
     * <p>
     * This will disable the embed if it's enabled
     * </p>
     */
    public void setMessage(String message) {
        welcomerMessage = new WelcomerMessage(message);
        welcomerEmbed = null;
    }

    /**
     * Sets the welcomer embed
     * <p>
     * This will disable the message if it's enabled
     * <p>
     */
    public void setEmbed(String title, String description, String color, boolean pingBeforeSend) {
        welcomerEmbed = new WelcomerEmbed(title, description, color, pingBeforeSend);
        welcomerMessage = null;
    }

    /**
     * Sends the welcome message to the user
     *
     * @param guild The guild to send the message in
     * @param user The user to send the message to
     */
    public void sendWelcomeMessage(BatGuild guild, BatUser user) {
        if (this.channel == null || (!this.isMessage() && !this.isEmbed())) {
            return;
        }
        if (welcomerEmbed != null) {
            if (welcomerEmbed.isPingBeforeSend()) { // Ping the user before sending the message
                this.channel.sendMessage(user.getDiscordUser().getAsMention()).queue();
            }
            this.channel.sendMessageEmbeds(welcomerEmbed.buildEmbed(guild, user).build()).queue();
            return;
        }
        if (welcomerMessage != null) {
            this.channel.sendMessage(welcomerMessage.buildMessage(guild, user)).queue();
        }
    }

    @Override
    public void load(Document document, Gson gson) {
        Document welcomerMessageDocument = document.get("welcomerMessage", Document.class);
        if (welcomerMessageDocument != null) {
            welcomerMessage = new WelcomerMessage(
                    welcomerMessageDocument.getString("message")
            );
        }
        Document welcomerEmbedDocument = document.get("welcomerEmbed", Document.class);
        if (welcomerEmbedDocument != null) {
            welcomerEmbed = new WelcomerEmbed(
                    welcomerEmbedDocument.getString("title"),
                    welcomerEmbedDocument.getString("description"),
                    welcomerEmbedDocument.getString("color"),
                    welcomerEmbedDocument.getBoolean("pingBeforeSend")
            );
        }
        String channelId = document.getString("channelId");
        if (channelId != null) {
            TextChannel textChannel = ChannelUtils.getTextChannel(channelId);
            if (textChannel != null) {
                channel = textChannel;
            }
        }
    }

    @Override
    public Document serialize(Gson gson) {
        Document document = new Document();
        if (welcomerMessage != null) {
            document.put("welcomerMessage", new Document("message", welcomerMessage.getMessage()));
        }
        if (welcomerEmbed != null) {
            document.put("welcomerEmbed", new Document()
                    .append("title", welcomerEmbed.getTitle())
                    .append("description", welcomerEmbed.getDescription())
                    .append("color", welcomerEmbed.getColor())
                    .append("pingBeforeSend", welcomerEmbed.isPingBeforeSend())
            );
        }
        if (channel != null) {
            document.put("channelId", channel.getId());
        }
        return document;
    }

    @Override
    public void reset() {
        welcomerMessage = null;
        welcomerEmbed = null;
    }
}