<?php

namespace App\Database\Migrations;

use CodeIgniter\Database\Migration;

class CreateDealsTables extends Migration
{
    public function up()
    {
        // Таблица этапов сделок
        $this->forge->addField([
            'id' => [
                'type'           => 'INT',
                'constraint'     => 11,
                'unsigned'       => true,
                'auto_increment' => true,
            ],
            'organization_id' => [
                'type'       => 'INT',
                'constraint' => 11,
                'unsigned'   => true,
            ],
            'name' => [
                'type'       => 'VARCHAR',
                'constraint' => 255,
            ],
            'color' => [
                'type'       => 'VARCHAR',
                'constraint' => 7,
                'default'    => '#6B7280',
            ],
            'order_index' => [
                'type'       => 'INT',
                'constraint' => 11,
                'default'    => 0,
            ],
            'type' => [
                'type'       => 'ENUM',
                'constraint' => ['progress', 'won', 'lost'],
                'default'    => 'progress',
            ],
            'probability' => [
                'type'       => 'INT',
                'constraint' => 3,
                'unsigned'   => true,
                'default'    => 0,
            ],
            'created_at' => [
                'type' => 'DATETIME',
                'null' => true,
            ],
            'updated_at' => [
                'type' => 'DATETIME',
                'null' => true,
            ],
            'deleted_at' => [
                'type' => 'DATETIME',
                'null' => true,
            ],
        ]);
        $this->forge->addKey('id', true);
        $this->forge->addKey('organization_id');
        $this->forge->addForeignKey('organization_id', 'organizations', 'id', 'CASCADE', 'CASCADE');
        $this->forge->createTable('deal_stages');

        // Таблица сделок
        $this->forge->addField([
            'id' => [
                'type'           => 'BIGINT',
                'constraint'     => 20,
                'unsigned'       => true,
                'auto_increment' => true,
            ],
            'organization_id' => [
                'type'       => 'INT',
                'constraint' => 11,
                'unsigned'   => true,
            ],
            'contact_id' => [
                'type'       => 'INT',
                'constraint' => 11,
                'unsigned'   => true,
                'null'       => true,
            ],
            'company_id' => [
                'type'       => 'INT',
                'constraint' => 11,
                'unsigned'   => true,
                'null'       => true,
            ],
            'title' => [
                'type'       => 'VARCHAR',
                'constraint' => 255,
            ],
            'description' => [
                'type' => 'TEXT',
                'null' => true,
            ],
            'amount' => [
                'type'       => 'DECIMAL',
                'constraint' => '15,2',
                'default'    => 0.00,
            ],
            'currency' => [
                'type'       => 'CHAR',
                'constraint' => 3,
                'default'    => 'RUB',
            ],
            'stage_id' => [
                'type'       => 'INT',
                'constraint' => 11,
                'unsigned'   => true,
            ],
            'assigned_user_id' => [
                'type'       => 'INT',
                'constraint' => 11,
                'unsigned'   => true,
                'null'       => true,
            ],
            'expected_close_date' => [
                'type' => 'DATE',
                'null' => true,
            ],
            'created_by' => [
                'type'       => 'INT',
                'constraint' => 11,
                'unsigned'   => true,
            ],
            'created_at' => [
                'type' => 'DATETIME',
                'null' => true,
            ],
            'updated_at' => [
                'type' => 'DATETIME',
                'null' => true,
            ],
            'deleted_at' => [
                'type' => 'DATETIME',
                'null' => true,
            ],
        ]);
        $this->forge->addKey('id', true);
        $this->forge->addKey('organization_id');
        $this->forge->addKey('stage_id');
        $this->forge->addKey('assigned_user_id');
        $this->forge->addForeignKey('organization_id', 'organizations', 'id', 'CASCADE', 'CASCADE');
        $this->forge->addForeignKey('stage_id', 'deal_stages', 'id', 'CASCADE', 'CASCADE');
        $this->forge->addForeignKey('assigned_user_id', 'users', 'id', 'SET NULL', 'SET NULL');
        $this->forge->createTable('deals');

        // Таблица истории сделок
        $this->forge->addField([
            'id' => [
                'type'           => 'BIGINT',
                'constraint'     => 20,
                'unsigned'       => true,
                'auto_increment' => true,
            ],
            'deal_id' => [
                'type'       => 'BIGINT',
                'constraint' => 20,
                'unsigned'   => true,
            ],
            'user_id' => [
                'type'       => 'INT',
                'constraint' => 11,
                'unsigned'   => true,
            ],
            'action' => [
                'type'       => 'VARCHAR',
                'constraint' => 50,
            ],
            'field_name' => [
                'type'       => 'VARCHAR',
                'constraint' => 50,
                'null'       => true,
            ],
            'old_value' => [
                'type' => 'TEXT',
                'null' => true,
            ],
            'new_value' => [
                'type' => 'TEXT',
                'null' => true,
            ],
            'created_at' => [
                'type' => 'DATETIME',
                'null' => true,
            ],
        ]);
        $this->forge->addKey('id', true);
        $this->forge->addKey('deal_id');
        $this->forge->addKey('user_id');
        $this->forge->addForeignKey('deal_id', 'deals', 'id', 'CASCADE', 'CASCADE');
        $this->forge->addForeignKey('user_id', 'users', 'id', 'CASCADE', 'CASCADE');
        $this->forge->createTable('deal_history');
    }

    public function down()
    {
        $this->forge->dropTable('deal_history');
        $this->forge->dropTable('deals');
        $this->forge->dropTable('deal_stages');
    }
}