const { DataTypes } = require('sequelize');
const sequelize = require('../config/db');

const TenantSubscription = sequelize.define('TenantSubscription', {
  id: {
    type: DataTypes.INTEGER,
    primaryKey: true,
    autoIncrement: true,
    comment: 'Subscription ID'
  },
  tenantId: {
    type: DataTypes.INTEGER,
    allowNull: false,
    comment: 'Tenant ID'
  },
  planId: {
    type: DataTypes.INTEGER,
    allowNull: false,
    comment: 'Plan ID'
  },
  orderId: {
    type: DataTypes.INTEGER,
    allowNull: true,
    comment: 'Source order ID'
  },
  status: {
    type: DataTypes.ENUM('active', 'expired', 'cancelled'),
    allowNull: false,
    defaultValue: 'active',
    comment: 'Subscription status'
  },
  billingCycle: {
    type: DataTypes.ENUM('monthly', 'yearly', 'custom'),
    allowNull: false,
    defaultValue: 'monthly',
    comment: 'Billing cycle'
  },
  months: {
    type: DataTypes.INTEGER,
    allowNull: false,
    defaultValue: 1,
    comment: 'Purchased months'
  },
  startDate: {
    type: DataTypes.DATE,
    allowNull: false,
    comment: 'Subscription start'
  },
  endDate: {
    type: DataTypes.DATE,
    allowNull: false,
    comment: 'Subscription end'
  },
  amount: {
    type: DataTypes.DECIMAL(10, 2),
    allowNull: false,
    defaultValue: 0,
    comment: 'Paid amount'
  },
  createBy: {
    type: DataTypes.INTEGER,
    allowNull: true,
    comment: 'Created by'
  },
  updateBy: {
    type: DataTypes.INTEGER,
    allowNull: true,
    comment: 'Updated by'
  },
  isDeleted: {
    type: DataTypes.INTEGER,
    allowNull: false,
    defaultValue: 0,
    comment: 'Soft delete flag'
  },
  createTime: {
    type: DataTypes.DATE,
    allowNull: false,
    defaultValue: DataTypes.NOW,
    comment: 'Created time'
  },
  updateTime: {
    type: DataTypes.DATE,
    allowNull: false,
    defaultValue: DataTypes.NOW,
    comment: 'Updated time'
  }
}, {
  tableName: 'tenant_subscriptions',
  timestamps: false,
  comment: 'Tenant subscription ledger'
});

module.exports = TenantSubscription;