'use strict';

module.exports = {
  async up(queryInterface, Sequelize) {
    await queryInterface.createTable('notification_templates', {
      notification_template_id: { type: Sequelize.BIGINT, primaryKey: true, autoIncrement: true },
      type:          { type: Sequelize.STRING(100), allowNull: false, unique: true },
      notify_type:   { type: Sequelize.STRING(64),  allowNull: false },
      scope:         { type: Sequelize.ENUM('admin', 'user', 'both'), allowNull: false },
      label:         { type: Sequelize.STRING(150), allowNull: false },
      status:        { type: Sequelize.ENUM('draft', 'sent'), allowNull: false, defaultValue: 'draft' },
      title:         { type: Sequelize.STRING(255), allowNull: true },
      message:       { type: Sequelize.TEXT,        allowNull: true },
      draft_title:   { type: Sequelize.STRING(255), allowNull: true },
      draft_message: { type: Sequelize.TEXT,        allowNull: true },
      last_sent_at:  { type: Sequelize.DATE,        allowNull: true },
      is_system:     { type: Sequelize.BOOLEAN,     allowNull: false, defaultValue: false },
      createdAt:     { type: Sequelize.DATE, allowNull: false },
      updatedAt:     { type: Sequelize.DATE, allowNull: false },
    });

    const now = new Date();

    // Ported straight from data/notifications.data.js's NOTIFICATION_REGISTRY —
    // seeded already-published (status: 'sent', content in the live title/message
    // columns) because these types fire in production right now via cron/event
    // triggers. Seeding them as drafts would make every trigger site throw
    // "no published version yet" the moment this migration lands.
    await queryInterface.bulkInsert('notification_templates', [
      {
        type: 'task_overdue', notify_type: 'task_overdue', scope: 'admin', is_system: true,
        label: 'Tasks Overdue (Admin)', status: 'sent',
        title: 'Tasks Overdue',
        message: '{{count}} {{task_word}} automatically marked as overdue.',
        createdAt: now, updatedAt: now,
      },
      {
        type: 'user_registration', notify_type: 'user_registration', scope: 'admin', is_system: true,
        label: 'New User Registered', status: 'sent',
        title: 'New User Registered',
        message: 'A new user registered in {{groupName}}.',
        createdAt: now, updatedAt: now,
      },
      {
        type: 'nogrp_user_registered', notify_type: 'nogrp_user_registered', scope: 'admin', is_system: true,
        label: 'New Unaffiliated User', status: 'sent',
        title: 'New Unaffiliated User',
        message: 'A new user ({{userEmail}}) registered via {{regType}} without a group code and was placed in the default group.',
        createdAt: now, updatedAt: now,
      },
      {
        type: 'task_requirements_updated', notify_type: 'task', scope: 'user', is_system: true,
        label: 'Task Requirements Updated', status: 'sent',
        title: 'Task Updated',
        message: 'The requirements for "{{taskName}}" have been updated by your administrator.',
        createdAt: now, updatedAt: now,
      },
      {
        type: 'user_task_overdue', notify_type: 'task', scope: 'user', is_system: true,
        label: 'Tasks Overdue (User)', status: 'sent',
        title: 'Tasks Overdue',
        message: '{{task_label}} passed their deadline and been marked as overdue.',
        createdAt: now, updatedAt: now,
      },
      {
        type: 'task_reminder', notify_type: 'task', scope: 'user', is_system: true,
        label: 'Task Deadline Approaching', status: 'sent',
        title: 'Task Deadline Approaching',
        message: '"{{taskName}}" is due on {{deadline}}.',
        createdAt: now, updatedAt: now,
      },
      {
        type: 'course_unlocked', notify_type: 'course', scope: 'user', is_system: true,
        label: 'New Course Available', status: 'sent',
        title: 'New Course Available',
        message: '"{{courseTitle}}" has been added to your learning library.',
        createdAt: now, updatedAt: now,
      },
      {
        type: 'course_completed', notify_type: 'course', scope: 'user', is_system: true,
        label: 'Course Completed', status: 'sent',
        title: 'Course Completed',
        message: 'Great job! You\'ve completed "{{courseTitle}}". Your certificate will be issued within the next hour.',
        createdAt: now, updatedAt: now,
      },
      {
        type: 'certificate_issued', notify_type: 'course', scope: 'user', is_system: true,
        label: 'Certificate Issued', status: 'sent',
        title: 'Certificate Issued',
        message: 'Congratulations! Your certificate for "{{courseTitle}}" is ready.',
        createdAt: now, updatedAt: now,
      },
      {
        type: 'welcome', notify_type: 'announcement', scope: 'user', is_system: true,
        label: 'Welcome Message', status: 'sent',
        title: 'Welcome to Philproperties',
        message: '{{greeting}}{{group_suffix}}',
        createdAt: now, updatedAt: now,
      },
      {
        type: 'nogrp_welcome', notify_type: 'announcement', scope: 'user', is_system: true,
        label: "Not in a Group Yet", status: 'sent',
        title: "You're Not in a Group Yet",
        message: 'You are currently in the default group. Contact an administrator to be assigned to your team.',
        createdAt: now, updatedAt: now,
      },
      {
        type: 'assessment_updated', notify_type: 'assessment', scope: 'user', is_system: true,
        label: 'Assessment Updated', status: 'sent',
        title: 'Assessment Updated',
        message: 'The administrator has updated the "{{assessmentTitle}}" in "{{courseTitle}}". Your current session is still valid — continue where you left off.',
        createdAt: now, updatedAt: now,
      },
      {
        type: 'tier_expired', notify_type: 'tier_expired', scope: 'user', is_system: true,
        label: 'Subscription Expired', status: 'sent',
        title: 'Subscription Expired',
        message: 'Your {{planLabel}} plan has expired. Renew to keep access.',
        createdAt: now, updatedAt: now,
      },
    ]);
  },

  async down(queryInterface) {
    await queryInterface.dropTable('notification_templates');
    await queryInterface.sequelize.query(`DROP TYPE IF EXISTS "enum_notification_templates_scope";`);
    await queryInterface.sequelize.query(`DROP TYPE IF EXISTS "enum_notification_templates_status";`);
  },
};