'use strict';
module.exports = {
  async up(queryInterface, Sequelize) {
    // Users テーブルの作成
    await queryInterface.createTable('users', {
      id: {
        allowNull: false,
        autoIncrement: true,
        primaryKey: true,
        type: Sequelize.INTEGER
      },
      discordId: {
        type: Sequelize.STRING
      },
      username: {
        type: Sequelize.STRING
      },
      email: {
        type: Sequelize.STRING
      },
      isAccountSetupComplete: {
        type: Sequelize.BOOLEAN
      },
      createdAt: {
        allowNull: false,
        type: Sequelize.DATE
      },
      updatedAt: {
        allowNull: false,
        type: Sequelize.DATE
      }
    });

    // Isotopesテーブルの作成（Botsからリネーム）
    await queryInterface.createTable('isotopes', {
      id: {
        allowNull: false,
        autoIncrement: true,
        primaryKey: true,
        type: Sequelize.BIGINT
      },
      name: {
        type: Sequelize.STRING,
        allowNull: false
      },
      user_id: {
        type: Sequelize.BIGINT,
        allowNull: false,
        references: {
          model: 'users',
          key: 'id'
        },
        onDelete: 'CASCADE'
      },
      first_person: {
        type: Sequelize.STRING,
        allowNull: false,
        defaultValue: 'ワタシ'
      },
      personality: {
        type: Sequelize.STRING,
        allowNull: true
      },
      tone: {
        type: Sequelize.STRING,
        allowNull: true
      },
      background_story: {
        type: Sequelize.TEXT,
        allowNull: true
      },
      likes: {
        type: Sequelize.STRING,
        allowNull: true
      },
      dislikes: {
        type: Sequelize.STRING,
        allowNull: true
      },
      created_at: {
        allowNull: false,
        type: Sequelize.DATE,
        defaultValue: Sequelize.literal('CURRENT_TIMESTAMP')
      },
      updated_at: {
        allowNull: false,
        type: Sequelize.DATE,
        defaultValue: Sequelize.literal('CURRENT_TIMESTAMP')
      }
    });

    // ChatMessages テーブルの作成
    await queryInterface.createTable('chat_messages', {
      id: {
        allowNull: false,
        autoIncrement: true,
        primaryKey: true,
        type: Sequelize.BIGINT
      },
      user_id: {
        type: Sequelize.BIGINT,
        allowNull: false,
        references: {
          model: 'users',
          key: 'id'
        },
        onDelete: 'CASCADE'
      },
      isotope_id: {
        type: Sequelize.BIGINT,
        allowNull: false,
        references: {
          model: 'isotopes',
          key: 'id'
        },
        onDelete: 'CASCADE'
      },
      role: {
        type: Sequelize.ENUM('user', 'assistant'),
        allowNull: false,
        defaultValue: 'user'
      },
      message: {
        type: Sequelize.TEXT,
        allowNull: false
      },
      created_at: {
        allowNull: false,
        type: Sequelize.DATE,
        defaultValue: Sequelize.literal('CURRENT_TIMESTAMP')
      },
      updated_at: {
        allowNull: false,
        type: Sequelize.DATE,
        defaultValue: Sequelize.literal('CURRENT_TIMESTAMP')
      }
    });
  },

  async down(queryInterface, Sequelize) {
    // ChatMessages テーブルの削除
    await queryInterface.dropTable('chat_messages');

    // Isotopes テーブルの削除
    await queryInterface.dropTable('isotopes');

    // Users テーブルの削除
    await queryInterface.dropTable('Users');
  }
};