<?php

declare(strict_types=1);

namespace DoctrineMigrations;

use Doctrine\DBAL\Schema\Schema;
use Doctrine\Migrations\AbstractMigration;

/**
 * Auto-generated Migration: Please modify to your needs!
 */
final class Version20241201000000 extends AbstractMigration
{
    public function getDescription(): string
    {
        return 'Create chat tables';
    }

    public function up(Schema $schema): void
    {
        // Create chat_channel table
        $this->addSql('CREATE TABLE chat_channel (
            id INT AUTO_INCREMENT NOT NULL,
            name VARCHAR(255) NOT NULL,
            description LONGTEXT DEFAULT NULL,
            channel_id VARCHAR(50) NOT NULL,
            is_public TINYINT(1) NOT NULL,
            is_active TINYINT(1) NOT NULL,
            created_by_id INT NOT NULL,
            created_at DATETIME NOT NULL COMMENT \'(DC2Type:datetime_immutable)\',
            updated_at DATETIME DEFAULT NULL COMMENT \'(DC2Type:datetime_immutable)\',
            avatar VARCHAR(255) DEFAULT NULL,
            message_count INT NOT NULL,
            last_message_at DATETIME DEFAULT NULL COMMENT \'(DC2Type:datetime_immutable)\',
            UNIQUE INDEX UNIQ_CHANNEL_ID (channel_id),
            INDEX IDX_CHANNEL_CREATED_BY (created_by_id),
            PRIMARY KEY(id)
        ) DEFAULT CHARACTER SET utf8mb4 COLLATE `utf8mb4_unicode_ci` ENGINE = InnoDB');

        // Create chat_channel_member table
        $this->addSql('CREATE TABLE chat_channel_member (
            id INT AUTO_INCREMENT NOT NULL,
            channel_id INT NOT NULL,
            user_id INT NOT NULL,
            is_admin TINYINT(1) NOT NULL,
            is_active TINYINT(1) NOT NULL,
            joined_at DATETIME NOT NULL COMMENT \'(DC2Type:datetime_immutable)\',
            last_seen_at DATETIME DEFAULT NULL COMMENT \'(DC2Type:datetime_immutable)\',
            unread_count INT NOT NULL,
            INDEX IDX_MEMBER_CHANNEL (channel_id),
            INDEX IDX_MEMBER_USER (user_id),
            PRIMARY KEY(id)
        ) DEFAULT CHARACTER SET utf8mb4 COLLATE `utf8mb4_unicode_ci` ENGINE = InnoDB');

        // Create chat_message table
        $this->addSql('CREATE TABLE chat_message (
            id INT AUTO_INCREMENT NOT NULL,
            channel_id INT NOT NULL,
            sender_id INT NOT NULL,
            content LONGTEXT NOT NULL,
            message_type VARCHAR(20) NOT NULL,
            sent_at DATETIME NOT NULL COMMENT \'(DC2Type:datetime_immutable)\',
            edited_at DATETIME DEFAULT NULL COMMENT \'(DC2Type:datetime_immutable)\',
            is_edited TINYINT(1) NOT NULL,
            is_deleted TINYINT(1) NOT NULL,
            quoted_message_id INT DEFAULT NULL,
            attachments JSON DEFAULT NULL,
            reactions JSON DEFAULT NULL,
            reply_count INT NOT NULL,
            view_count INT NOT NULL,
            INDEX IDX_MESSAGE_CHANNEL (channel_id),
            INDEX IDX_MESSAGE_SENDER (sender_id),
            INDEX IDX_MESSAGE_QUOTED (quoted_message_id),
            PRIMARY KEY(id)
        ) DEFAULT CHARACTER SET utf8mb4 COLLATE `utf8mb4_unicode_ci` ENGINE = InnoDB');

        // Add foreign key constraints
        $this->addSql('ALTER TABLE chat_channel ADD CONSTRAINT FK_CHANNEL_CREATED_BY FOREIGN KEY (created_by_id) REFERENCES user (id)');
        $this->addSql('ALTER TABLE chat_channel_member ADD CONSTRAINT FK_MEMBER_CHANNEL FOREIGN KEY (channel_id) REFERENCES chat_channel (id)');
        $this->addSql('ALTER TABLE chat_channel_member ADD CONSTRAINT FK_MEMBER_USER FOREIGN KEY (user_id) REFERENCES user (id)');
        $this->addSql('ALTER TABLE chat_message ADD CONSTRAINT FK_MESSAGE_CHANNEL FOREIGN KEY (channel_id) REFERENCES chat_channel (id)');
        $this->addSql('ALTER TABLE chat_message ADD CONSTRAINT FK_MESSAGE_SENDER FOREIGN KEY (sender_id) REFERENCES user (id)');
        $this->addSql('ALTER TABLE chat_message ADD CONSTRAINT FK_MESSAGE_QUOTED FOREIGN KEY (quoted_message_id) REFERENCES chat_message (id)');
    }

    public function down(Schema $schema): void
    {
        // Drop foreign key constraints
        $this->addSql('ALTER TABLE chat_message DROP FOREIGN KEY FK_MESSAGE_QUOTED');
        $this->addSql('ALTER TABLE chat_message DROP FOREIGN KEY FK_MESSAGE_SENDER');
        $this->addSql('ALTER TABLE chat_message DROP FOREIGN KEY FK_MESSAGE_CHANNEL');
        $this->addSql('ALTER TABLE chat_channel_member DROP FOREIGN KEY FK_MEMBER_USER');
        $this->addSql('ALTER TABLE chat_channel_member DROP FOREIGN KEY FK_MEMBER_CHANNEL');
        $this->addSql('ALTER TABLE chat_channel DROP FOREIGN KEY FK_CHANNEL_CREATED_BY');

        // Drop tables
        $this->addSql('DROP TABLE chat_message');
        $this->addSql('DROP TABLE chat_channel_member');
        $this->addSql('DROP TABLE chat_channel');
    }
}