-- 签署材料版本的公司盖章/骑缝章开关及任务、电子签快照。MySQL 8.0+
-- 上线顺序：先在目标数据库执行本文件，再部署后端及后台前端。
-- 可重复执行；只新增可空列，不回填或覆盖历史业务数据。
-- NULL 表示历史规则：公司盖章需要，骑缝章沿用 QiyuesuoSetting.EnableAcrossPageSeal。
-- 新上传版本显式保存 true/false；任务及电子签文档分别保存快照。
SET NAMES utf8mb4;

DROP PROCEDURE IF EXISTS ob_upgrade_contract_version_seal_switches;
DELIMITER $$
CREATE PROCEDURE ob_upgrade_contract_version_seal_switches()
BEGIN
    IF NOT EXISTS (
        SELECT 1 FROM information_schema.COLUMNS
        WHERE TABLE_SCHEMA = DATABASE()
          AND TABLE_NAME = 'ob_contract_template_version'
          AND COLUMN_NAME = 'CompanySealEnabled'
    ) THEN
        ALTER TABLE `ob_contract_template_version`
            ADD COLUMN `CompanySealEnabled` TINYINT(1) NULL DEFAULT NULL
            COMMENT '公司盖章开关；NULL沿用历史需要盖章';
    END IF;
    IF NOT EXISTS (
        SELECT 1 FROM information_schema.COLUMNS
        WHERE TABLE_SCHEMA = DATABASE()
          AND TABLE_NAME = 'ob_contract_template_version'
          AND COLUMN_NAME = 'AcrossPageSealEnabled'
    ) THEN
        ALTER TABLE `ob_contract_template_version`
            ADD COLUMN `AcrossPageSealEnabled` TINYINT(1) NULL DEFAULT NULL
            COMMENT '骑缝章开关；NULL沿用历史系统配置';
    END IF;
    IF NOT EXISTS (
        SELECT 1 FROM information_schema.COLUMNS
        WHERE TABLE_SCHEMA = DATABASE()
          AND TABLE_NAME = 'ob_task_contract'
          AND COLUMN_NAME = 'CompanySealEnabled'
    ) THEN
        ALTER TABLE `ob_task_contract`
            ADD COLUMN `CompanySealEnabled` TINYINT(1) NULL DEFAULT NULL
            COMMENT '公司盖章开关；NULL沿用历史需要盖章';
    END IF;
    IF NOT EXISTS (
        SELECT 1 FROM information_schema.COLUMNS
        WHERE TABLE_SCHEMA = DATABASE()
          AND TABLE_NAME = 'ob_task_contract'
          AND COLUMN_NAME = 'AcrossPageSealEnabled'
    ) THEN
        ALTER TABLE `ob_task_contract`
            ADD COLUMN `AcrossPageSealEnabled` TINYINT(1) NULL DEFAULT NULL
            COMMENT '骑缝章开关；NULL沿用历史系统配置';
    END IF;
    IF NOT EXISTS (
        SELECT 1 FROM information_schema.COLUMNS
        WHERE TABLE_SCHEMA = DATABASE()
          AND TABLE_NAME = 'ob_electronic_sign_document'
          AND COLUMN_NAME = 'CompanySealEnabled'
    ) THEN
        ALTER TABLE `ob_electronic_sign_document`
            ADD COLUMN `CompanySealEnabled` TINYINT(1) NULL DEFAULT NULL
            COMMENT '公司盖章开关；NULL沿用历史需要盖章';
    END IF;
    IF NOT EXISTS (
        SELECT 1 FROM information_schema.COLUMNS
        WHERE TABLE_SCHEMA = DATABASE()
          AND TABLE_NAME = 'ob_electronic_sign_document'
          AND COLUMN_NAME = 'AcrossPageSealEnabled'
    ) THEN
        ALTER TABLE `ob_electronic_sign_document`
            ADD COLUMN `AcrossPageSealEnabled` TINYINT(1) NULL DEFAULT NULL
            COMMENT '骑缝章开关；NULL沿用历史系统配置';
    END IF;
END$$
DELIMITER ;
CALL ob_upgrade_contract_version_seal_switches();
DROP PROCEDURE IF EXISTS ob_upgrade_contract_version_seal_switches;