<?php

namespace App\Database\Migrations;

use CodeIgniter\Database\Migration;

class CreateRules extends Migration
{
    public function up()
    {
        // ruledef
        $this->forge->addField([
            'RuleID' => ['type' => 'INT', 'unsigned' => true, 'auto_increment' => true],
            'Name' => ['type' => 'VARCHAR', 'constraint' => 100, 'null' => false],
            'Description' => ['type' => 'VARCHAR', 'constraint' => 255, 'null' => true],
            'EventCode' => ['type' => 'VARCHAR', 'constraint' => 50, 'null' => false],
            'ScopeType' => ['type' => 'VARCHAR', 'constraint' => 20, 'null' => false, 'default' => 'GLOBAL'],
            'TestSiteID' => ['type' => 'INT', 'unsigned' => true, 'null' => true],
            'ConditionExpr' => ['type' => 'VARCHAR', 'constraint' => 1000, 'null' => true],
            'Priority' => ['type' => 'INT', 'null' => true, 'default' => 100],
            'Active' => ['type' => 'TINYINT', 'constraint' => 1, 'null' => true, 'default' => 1],
            'CreateDate' => ['type' => 'DATETIME', 'null' => true],
            'StartDate' => ['type' => 'DATETIME', 'null' => true],
            'EndDate' => ['type' => 'DATETIME', 'null' => true],
        ]);
        $this->forge->addKey('RuleID', true);
        $this->forge->addKey('EventCode');
        $this->forge->addKey('ScopeType');
        $this->forge->addKey('TestSiteID');
        $this->forge->createTable('ruledef');

        // Optional scope FK (only when ScopeType=TESTSITE)
        $this->db->query('ALTER TABLE `ruledef` ADD CONSTRAINT `fk_ruledef_testsite` FOREIGN KEY (`TestSiteID`) REFERENCES `testdefsite`(`TestSiteID`) ON DELETE CASCADE ON UPDATE CASCADE');

        // ruleaction
        $this->forge->addField([
            'RuleActionID' => ['type' => 'INT', 'unsigned' => true, 'auto_increment' => true],
            'RuleID' => ['type' => 'INT', 'unsigned' => true, 'null' => false],
            'Seq' => ['type' => 'INT', 'null' => true, 'default' => 1],
            'ActionType' => ['type' => 'VARCHAR', 'constraint' => 50, 'null' => false],
            'ActionParams' => ['type' => 'TEXT', 'null' => true],
            'CreateDate' => ['type' => 'DATETIME', 'null' => true],
            'EndDate' => ['type' => 'DATETIME', 'null' => true],
        ]);
        $this->forge->addKey('RuleActionID', true);
        $this->forge->addKey('RuleID');
        $this->forge->createTable('ruleaction');

        $this->db->query('ALTER TABLE `ruleaction` ADD CONSTRAINT `fk_ruleaction_ruledef` FOREIGN KEY (`RuleID`) REFERENCES `ruledef`(`RuleID`) ON DELETE CASCADE ON UPDATE CASCADE');
    }

    public function down()
    {
        $this->forge->dropTable('ruleaction');
        $this->forge->dropTable('ruledef');
    }
}