import { ActionRowBuilder, ButtonBuilder, ButtonStyle, CommandInteraction, ComponentType, Events, ModalBuilder, SlashCommandBuilder, StringSelectMenuBuilder, TextInputBuilder, TextInputStyle } from 'discord.js';
import { Command } from '../types/index';
import { Items, getItem } from '../lib/rpg/items';
import { formatRecipe } from '../lib/rpg/recipes';
import { craftingStations, getStation } from '../lib/rpg/craftingStations';
import { CustomCraftingRecipe, CustomCraftingRecipeItem, db } from '../lib/db';

export default {
  data: new SlashCommandBuilder()
    .setName('recipe')
    .setDescription('[ADMIN] Manage custom recipes for items')
    .addSubcommand(sub =>
      sub
        .setName('create')
        .setDescription('[ADMIN] Create a custom recipe')
    )
    .setDMPermission(false)
    .setDefaultMemberPermissions(0),

  execute: async (interaction: CommandInteraction) => {
    if (!interaction.isChatInputCommand()) return;

    await interaction.deferReply({ ephemeral: true });

    const sub = interaction.options.getSubcommand(true);

    if (sub === 'create') {
      const row = new ActionRowBuilder<ButtonBuilder>().addComponents(
        new ButtonBuilder().setCustomId(`recipe-create-${interaction.guildId}`).setLabel('I\'ve got my string ready!').setStyle(ButtonStyle.Primary)
      );
      await interaction.followUp({
        ephemeral: true,
        content: `To create a recipe, go here: ${interaction.client.config.siteURL}/create-recipe/?guild=${interaction.guildId}\nOnce done, click the button below and paste the resulting string in.`,
        components: [row]
      });
    }
  },

  async onClientReady(bot) {
    bot.on(Events.InteractionCreate, async (interaction) => {
      if (!('customId' in interaction)) return;
      const id = interaction.customId;
      if (!id.startsWith('recipe-')) return;
      if (!interaction.member) return;

      if (id.startsWith('recipe-create-')) {
        //const guildID = id.split('-')[2];

        if (interaction.isMessageComponent()) {
          const modal = new ModalBuilder()
            .setCustomId(interaction.customId)
            .setTitle('Recipe Creator');

          const input = new TextInputBuilder()
            .setCustomId('recipe-create-textbox')
            .setLabel('Paste in your recipe string here:')
            .setStyle(TextInputStyle.Paragraph)
            .setRequired(true);

          const row = new ActionRowBuilder<TextInputBuilder>().addComponents(input);
          modal.addComponents(row);
          interaction.showModal(modal);
        } else if (interaction.isModalSubmit()) {
          const field = interaction.fields.getField('recipe-create-textbox', ComponentType.TextInput);
          const recipeString = field.value;

          await interaction.deferReply({ ephemeral: true });

          let parsed;
          try {
            parsed = await Promise.all(
              recipeString
                .split('|')
                .map(items =>
                  Promise.all(
                    items
                      .split(';')
                      .map(itemStack =>
                        itemStack.split(',')
                      )
                      .map(async ([itemID, quantity]) => (
                        {
                          item: (await getItem(parseInt(itemID)))!,
                          quantity: parseInt(quantity)
                        }
                      ))
                  )
                )
            ) as Items[][];
          } catch (err) {
            await interaction.followUp(`This is not a valid string!: \`${(err as Error).message}\``);
            return;
          }

          const
            inputs       = parsed[0] || [],
            requirements = parsed[1] || [],
            outputs      = parsed[2] || [];

          const recipe = {
            inputs, requirements, outputs,
            station: 'hands',
            id: 0
          };

          const components = [
            new ActionRowBuilder<StringSelectMenuBuilder>().addComponents(
              new StringSelectMenuBuilder()
                .addOptions(
                  ...craftingStations
                    .map(station => ({
                      label: `${station.emoji} ${station.name}`,
                      value: station.key,
                      description: station.description
                    }))
                )
                .setMinValues(1)
                .setMaxValues(1)
                .setCustomId('recipe-select-station')
            ),
            new ActionRowBuilder<ButtonBuilder>().addComponents(
              new ButtonBuilder()
                .setCustomId('recipe-select-done')
                .setLabel('Done')
                .setStyle(ButtonStyle.Primary)
                .setDisabled(true)
            )
          ];

          const msg = await interaction.followUp({
            content: `${formatRecipe(recipe)}\n_Select a crafting station, and you're good to go!_`,
            components: components,
            fetchReply: true
          });

          const selectCollector = msg.createMessageComponentCollector({
            componentType: ComponentType.StringSelect,
            time: 60_000 * 5,
          });

          selectCollector.on('collect', selectInteraction => {
            const newStation = selectInteraction.values[0];
            recipe.station = newStation;
            components[1].components[0].setDisabled(false);
            interaction.editReply({
              content: `${formatRecipe(recipe)}\n_Select a crafting station, and you're good to go!_`,
              components: components
            });
            const station = getStation(newStation);
            selectInteraction.reply({
              content: `Set station to ${station?.emoji} **${station?.name}**`,
              ephemeral: true
            });
          });
          selectCollector.on('end', () => {
            interaction.editReply({
              content: msg.content,
              components: []
            });
          });
          
          const buttonInteraction = await msg.awaitMessageComponent({ componentType: ComponentType.Button, time: 60_000 * 5 });
          selectCollector.stop();

          const [customRecipe] = await db<CustomCraftingRecipe>('customCraftingRecipes')
            .insert({
              station: recipe.station
            })
            .returning('id');

          for (const input of recipe.inputs) {
            await db<CustomCraftingRecipeItem>('customCraftingRecipeItems')
              .insert({
                id: customRecipe.id,
                item: input.item.id,
                quantity: input.quantity,
                type: 'input'
              });
          }
          for (const req of recipe.requirements) {
            await db<CustomCraftingRecipeItem>('customCraftingRecipeItems')
              .insert({
                id: customRecipe.id,
                item: req.item.id,
                quantity: req.quantity,
                type: 'requirement'
              });
          }
          for (const output of recipe.outputs) {
            await db<CustomCraftingRecipeItem>('customCraftingRecipeItems')
              .insert({
                id: customRecipe.id,
                item: output.item.id,
                quantity: output.quantity,
                type: 'output'
              });
          }

          buttonInteraction.reply({
            ephemeral: true,
            content: 'Your recipe has been created 🎉'
          });
        }
      }
    });
  }
} satisfies Command;