//go:build mysql
// +build mysql

package mysql

// ensureIMGroupBusinessTables installs the product group-chat schema in the
// currently selected tenant database. Rows still carry tenant_id explicitly;
// database routing remains one tenant per database.
func ensureIMGroupBusinessTables(exec sqlExecutor) error {
	statements := []string{
		`CREATE TABLE IF NOT EXISTS im_group_settings (
			tenant_id BIGINT NOT NULL DEFAULT 0, id BIGINT NOT NULL, topic VARCHAR(32) NOT NULL, owner_user_id BIGINT NOT NULL,
			name VARCHAR(128) NOT NULL DEFAULT '', avatar_file_id VARCHAR(64) NOT NULL DEFAULT '',
			description VARCHAR(512) NOT NULL DEFAULT '', group_status VARCHAR(16) NOT NULL DEFAULT 'active',
			join_approval TINYINT NOT NULL DEFAULT 0, mute_all TINYINT NOT NULL DEFAULT 0,
			member_upload_files TINYINT NOT NULL DEFAULT 1, member_private_chat TINYINT NOT NULL DEFAULT 1,
			member_invite TINYINT NOT NULL DEFAULT 1, max_member_count INT NOT NULL DEFAULT 0,
			max_admin_count INT NOT NULL DEFAULT 10, member_count INT NOT NULL DEFAULT 0,
			version INT NOT NULL DEFAULT 1, created_by BIGINT NOT NULL, dissolved_by BIGINT,
			dissolved_at DATETIME(3), created_at DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
			updated_at DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3) ON UPDATE CURRENT_TIMESTAMP(3),
			PRIMARY KEY(id), UNIQUE INDEX uk_im_group_settings_topic(tenant_id, topic),
			INDEX idx_im_group_settings_owner(tenant_id, owner_user_id, group_status),
			INDEX idx_im_group_settings_status_updated(tenant_id, group_status, updated_at)
		) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci`,
		`CREATE TABLE IF NOT EXISTS im_group_messages (
			tenant_id BIGINT NOT NULL DEFAULT 0, id BIGINT NOT NULL AUTO_INCREMENT, topic VARCHAR(64) NOT NULL, group_id BIGINT NOT NULL,
			seqid BIGINT NOT NULL, from_user BIGINT NOT NULL, client_msg_id VARCHAR(64),
			msg_type VARCHAR(32) NOT NULL DEFAULT 'text', status VARCHAR(32) NOT NULL DEFAULT 'normal',
			content JSON, content_nonce VARBINARY(12), key_version INT NOT NULL DEFAULT 0,
			head JSON, mentioned_user_ids JSON, mention_all TINYINT(1) NOT NULL DEFAULT 0,
			reply_seqid BIGINT, root_seqid BIGINT, file_count INT NOT NULL DEFAULT 0,
			content_size INT NOT NULL DEFAULT 0, has_risk TINYINT(1) NOT NULL DEFAULT 0,
			audit_status VARCHAR(32) NOT NULL DEFAULT 'pass', version INT NOT NULL DEFAULT 1,
			recalled_at DATETIME(3), recalled_by BIGINT, deleted_at DATETIME(3), expires_at DATETIME(3),
			created_at DATETIME(3) NOT NULL, updated_at DATETIME(3) NOT NULL,
			PRIMARY KEY(id), UNIQUE INDEX uk_im_group_messages_group_seq(group_id, seqid),
			UNIQUE INDEX uk_im_group_messages_topic_seq(topic, seqid),
			UNIQUE INDEX uk_im_group_messages_topic_sender_client_mid(topic, from_user, client_msg_id),
			INDEX idx_im_group_messages_group_created(group_id, created_at),
			INDEX idx_im_group_messages_group_status_seq(group_id, status, seqid),
			INDEX idx_im_group_messages_topic_created(topic, created_at),
			INDEX idx_im_group_messages_topic_from_seq(topic, from_user, seqid),
			INDEX idx_im_group_messages_audit(audit_status, created_at),
			INDEX idx_im_group_messages_expires(expires_at)
		) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci`,
		`CREATE TABLE IF NOT EXISTS im_group_members (
			tenant_id BIGINT NOT NULL DEFAULT 0, id BIGINT NOT NULL AUTO_INCREMENT, topic VARCHAR(32) NOT NULL, user_id BIGINT NOT NULL,
			role VARCHAR(16) NOT NULL DEFAULT 'member', member_status VARCHAR(16) NOT NULL DEFAULT 'active',
			nickname VARCHAR(64) NOT NULL DEFAULT '', pinned TINYINT NOT NULL DEFAULT 0,
			mute_notifications TINYINT NOT NULL DEFAULT 0, join_source VARCHAR(32) NOT NULL DEFAULT 'manual',
			joined_by BIGINT, joined_at DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3), left_at DATETIME(3),
			removed_by BIGINT, version INT NOT NULL DEFAULT 1,
			created_at DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
			updated_at DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3) ON UPDATE CURRENT_TIMESTAMP(3),
			PRIMARY KEY(id), UNIQUE INDEX uk_im_group_members_topic_user(tenant_id, topic, user_id),
			INDEX idx_im_group_members_user_status(tenant_id, user_id, member_status, updated_at),
			INDEX idx_im_group_members_topic_role(tenant_id, topic, role, member_status, id),
			INDEX idx_im_group_members_topic_status(tenant_id, topic, member_status, id)
		) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci`,
		`CREATE TABLE IF NOT EXISTS im_group_invitations (
			tenant_id BIGINT NOT NULL DEFAULT 0, id BIGINT NOT NULL AUTO_INCREMENT, invitation_id VARCHAR(64) NOT NULL, topic VARCHAR(32) NOT NULL,
			inviter_user_id BIGINT NOT NULL, target_user_id BIGINT NOT NULL, message VARCHAR(256) NOT NULL DEFAULT '',
			status VARCHAR(16) NOT NULL DEFAULT 'pending', result VARCHAR(32) NOT NULL DEFAULT '',
			join_request_id VARCHAR(64) NOT NULL DEFAULT '', idempotency_key VARCHAR(128) NOT NULL DEFAULT '',
			expires_at DATETIME(3) NOT NULL, handled_at DATETIME(3),
			created_at DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
			updated_at DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3) ON UPDATE CURRENT_TIMESTAMP(3),
			PRIMARY KEY(id), UNIQUE INDEX uk_im_group_invitations_invitation(tenant_id, invitation_id),
			UNIQUE INDEX uk_im_group_invitations_idempotency(tenant_id, inviter_user_id, idempotency_key),
			INDEX idx_im_group_invitations_target(tenant_id, target_user_id, status, expires_at),
			INDEX idx_im_group_invitations_topic_status(tenant_id, topic, status, id)
		) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci`,
		`CREATE TABLE IF NOT EXISTS im_group_join_requests (
			tenant_id BIGINT NOT NULL DEFAULT 0, id BIGINT NOT NULL AUTO_INCREMENT, request_id VARCHAR(64) NOT NULL, topic VARCHAR(32) NOT NULL,
			applicant_user_id BIGINT NOT NULL, inviter_user_id BIGINT, source VARCHAR(32) NOT NULL DEFAULT 'manual',
			qr_token_hash CHAR(64) NOT NULL DEFAULT '', message VARCHAR(256) NOT NULL DEFAULT '',
			status VARCHAR(16) NOT NULL DEFAULT 'pending', reject_reason VARCHAR(256) NOT NULL DEFAULT '',
			handled_by BIGINT, handled_at DATETIME(3), expires_at DATETIME(3),
			idempotency_key VARCHAR(128) NOT NULL DEFAULT '', version INT NOT NULL DEFAULT 1,
			created_at DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
			updated_at DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3) ON UPDATE CURRENT_TIMESTAMP(3),
			PRIMARY KEY(id), UNIQUE INDEX uk_im_group_join_requests_request(tenant_id, request_id),
			UNIQUE INDEX uk_im_group_join_requests_idempotency(tenant_id, applicant_user_id, idempotency_key),
			INDEX idx_im_group_join_requests_topic_status(tenant_id, topic, status, id),
			INDEX idx_im_group_join_requests_applicant(tenant_id, applicant_user_id, topic, status, id),
			INDEX idx_im_group_join_requests_expire(tenant_id, status, expires_at)
		) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci`,
		`CREATE TABLE IF NOT EXISTS im_group_announcements (
			tenant_id BIGINT NOT NULL DEFAULT 0, id BIGINT NOT NULL AUTO_INCREMENT, announcement_id VARCHAR(64) NOT NULL, topic VARCHAR(32) NOT NULL,
			author_user_id BIGINT NOT NULL, content TEXT NOT NULL, status VARCHAR(16) NOT NULL DEFAULT 'current',
			version INT NOT NULL DEFAULT 1, published_at DATETIME(3) NOT NULL, deleted_by BIGINT, deleted_at DATETIME(3),
			idempotency_key VARCHAR(128) NOT NULL DEFAULT '',
			created_at DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
			updated_at DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3) ON UPDATE CURRENT_TIMESTAMP(3),
			PRIMARY KEY(id), UNIQUE INDEX uk_im_group_announcements_announcement(tenant_id, announcement_id),
			UNIQUE INDEX uk_im_group_announcements_idempotency(tenant_id, topic, author_user_id, idempotency_key),
			INDEX idx_im_group_announcements_topic_status(tenant_id, topic, status, version DESC, id DESC),
			INDEX idx_im_group_announcements_topic_time(tenant_id, topic, published_at DESC, id DESC)
		) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci`,
		`CREATE TABLE IF NOT EXISTS im_group_announcement_reads (
			tenant_id BIGINT NOT NULL DEFAULT 0, id BIGINT NOT NULL, announcement_id VARCHAR(64) NOT NULL, topic VARCHAR(32) NOT NULL, user_id BIGINT NOT NULL,
			read_at DATETIME(3) NOT NULL, created_at DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
			updated_at DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3) ON UPDATE CURRENT_TIMESTAMP(3),
			PRIMARY KEY(id), UNIQUE INDEX uk_im_group_announcement_reads_announcement_user(tenant_id, announcement_id, user_id),
			INDEX idx_im_group_announcement_reads_topic_user(tenant_id, topic, user_id, read_at)
		) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci`,
		`CREATE TABLE IF NOT EXISTS im_group_mutes (
			tenant_id BIGINT NOT NULL DEFAULT 0, id BIGINT NOT NULL, topic VARCHAR(32) NOT NULL, user_id BIGINT NOT NULL, muted_by BIGINT NOT NULL,
			muted_at DATETIME(3) NOT NULL, expires_at DATETIME(3), reason VARCHAR(256) NOT NULL DEFAULT '',
			status VARCHAR(16) NOT NULL DEFAULT 'active', revoked_by BIGINT, revoked_at DATETIME(3),
			version INT NOT NULL DEFAULT 1, created_at DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
			updated_at DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3) ON UPDATE CURRENT_TIMESTAMP(3),
			PRIMARY KEY(id), UNIQUE INDEX uk_im_group_mutes_topic_user(tenant_id, topic, user_id),
			INDEX idx_im_group_mutes_topic_status(tenant_id, topic, status, expires_at),
			INDEX idx_im_group_mutes_user_status(tenant_id, user_id, status, expires_at)
		) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci`,
		`CREATE TABLE IF NOT EXISTS im_group_qrcodes (
			tenant_id BIGINT NOT NULL DEFAULT 0, id BIGINT NOT NULL AUTO_INCREMENT, token_id VARCHAR(64) NOT NULL, token_hash CHAR(64) NOT NULL,
			topic VARCHAR(32) NOT NULL, created_by BIGINT NOT NULL, status VARCHAR(16) NOT NULL DEFAULT 'active',
			expires_at DATETIME(3) NOT NULL, revoked_by BIGINT, revoked_at DATETIME(3),
			created_at DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
			updated_at DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3) ON UPDATE CURRENT_TIMESTAMP(3),
			PRIMARY KEY(id), UNIQUE INDEX uk_im_group_qrcodes_token(tenant_id, token_id),
			UNIQUE INDEX uk_im_group_qrcodes_hash(tenant_id, token_hash), INDEX idx_im_group_qrcodes_topic_status(tenant_id, topic, status, expires_at)
		) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci`,
		`CREATE TABLE IF NOT EXISTS im_group_files (
			tenant_id BIGINT NOT NULL DEFAULT 0, id BIGINT NOT NULL AUTO_INCREMENT, group_file_id VARCHAR(64) NOT NULL, topic VARCHAR(32) NOT NULL,
			file_id VARCHAR(64) NOT NULL, source_topic VARCHAR(32) NOT NULL DEFAULT '', source_seq BIGINT NOT NULL DEFAULT 0,
			uploader_id BIGINT NOT NULL, file_name VARCHAR(255) NOT NULL DEFAULT '', mime_type VARCHAR(128) NOT NULL DEFAULT '',
			file_type VARCHAR(32) NOT NULL DEFAULT 'file', file_size BIGINT NOT NULL DEFAULT 0,
			status VARCHAR(16) NOT NULL DEFAULT 'active', deleted_by BIGINT, deleted_at DATETIME(3),
			idempotency_key VARCHAR(128) NOT NULL DEFAULT '',
			created_at DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
			updated_at DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3) ON UPDATE CURRENT_TIMESTAMP(3),
			PRIMARY KEY(id), UNIQUE INDEX uk_im_group_files_group_file(tenant_id, group_file_id),
			UNIQUE INDEX uk_im_group_files_topic_file(tenant_id, topic, file_id),
			UNIQUE INDEX uk_im_group_files_idempotency(tenant_id, topic, uploader_id, idempotency_key),
			INDEX idx_im_group_files_topic_type(tenant_id, topic, status, file_type, id DESC),
			INDEX idx_im_group_files_topic_name(tenant_id, topic, status, file_name), INDEX idx_im_group_files_uploader(tenant_id, uploader_id, id DESC)
		) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci`,
		`CREATE TABLE IF NOT EXISTS im_group_admin_logs (
			tenant_id BIGINT NOT NULL DEFAULT 0, id BIGINT NOT NULL AUTO_INCREMENT, log_id VARCHAR(64) NOT NULL, topic VARCHAR(32) NOT NULL,
			operator_id BIGINT NOT NULL, target_user_id BIGINT, action VARCHAR(64) NOT NULL,
			object_type VARCHAR(32) NOT NULL DEFAULT '', object_id VARCHAR(64) NOT NULL DEFAULT '',
			before_data JSON, after_data JSON, request_id VARCHAR(128) NOT NULL DEFAULT '',
			idempotency_key VARCHAR(128) NOT NULL DEFAULT '', created_at DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
			PRIMARY KEY(id), UNIQUE INDEX uk_im_group_admin_logs_log(tenant_id, log_id),
			INDEX idx_im_group_admin_logs_topic_time(tenant_id, topic, id DESC),
			INDEX idx_im_group_admin_logs_operator(tenant_id, operator_id, id DESC), INDEX idx_im_group_admin_logs_object(tenant_id, object_type, object_id)
		) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci`,
		`UPDATE im_topics SET public=JSON_SET(public, '$.fn', JSON_UNQUOTE(JSON_EXTRACT(public, '$.name')))
			WHERE name LIKE 'grp%' AND JSON_VALID(public)
			AND COALESCE(JSON_UNQUOTE(JSON_EXTRACT(public, '$.fn')), '') = ''
			AND COALESCE(JSON_UNQUOTE(JSON_EXTRACT(public, '$.name')), '') <> ''`,
	}
	for _, statement := range statements {
		if _, err := exec.Exec(statement); err != nil {
			return err
		}
	}
	return ensureGroupMessageShardInfrastructure(exec, defaultTenantID)
}