-- 邀请奖励：按实付基础运费百分比、T+N 工作日入运费余额、退款标记（可重复执行）
SET @db := DATABASE();

-- ---------- t_order.IsRefunded ----------
SET @col := (
  SELECT COUNT(1)
  FROM information_schema.COLUMNS
  WHERE TABLE_SCHEMA = @db
    AND TABLE_NAME = 't_order'
    AND COLUMN_NAME = 'IsRefunded'
);
SET @sql := IF(
  @col = 0,
  'ALTER TABLE `t_order`
    ADD COLUMN `IsRefunded` TINYINT(1) NOT NULL DEFAULT 0 COMMENT ''是否已退款（分成计次排除）'' AFTER `IsPaid`',
  'SELECT ''t_order.IsRefunded already exists'' AS info'
);
PREPARE stmt FROM @sql;
EXECUTE stmt;
DEALLOCATE PREPARE stmt;

-- ---------- t_referral_commission_rule 新字段 ----------
SET @col := (
  SELECT COUNT(1)
  FROM information_schema.COLUMNS
  WHERE TABLE_SCHEMA = @db
    AND TABLE_NAME = 't_referral_commission_rule'
    AND COLUMN_NAME = 'MinInviteLevelCode'
);
SET @sql := IF(
  @col = 0,
  'ALTER TABLE `t_referral_commission_rule`
    ADD COLUMN `MinInviteLevelCode` VARCHAR(16) NOT NULL DEFAULT ''V1'' COMMENT ''邀请资格最低等级'' AFTER `MonthlyCap`,
    ADD COLUMN `MinPaidBaseFreight` DECIMAL(18,2) NOT NULL DEFAULT 50.00 COMMENT ''计奖最低实付基础运费'' AFTER `MinInviteLevelCode`,
    ADD COLUMN `FirstOrderRate` DECIMAL(8,4) NOT NULL DEFAULT 0.0500 COMMENT ''首单奖励比例'' AFTER `MinPaidBaseFreight`,
    ADD COLUMN `FirstOrderCap` DECIMAL(18,2) NOT NULL DEFAULT 50.00 COMMENT ''首单奖励封顶'' AFTER `FirstOrderRate`,
    ADD COLUMN `FollowOrderRate` DECIMAL(8,4) NOT NULL DEFAULT 0.0300 COMMENT ''后续单奖励比例'' AFTER `FirstOrderCap`,
    ADD COLUMN `FollowOrderCap` DECIMAL(18,2) NOT NULL DEFAULT 30.00 COMMENT ''后续单奖励封顶'' AFTER `FollowOrderRate`,
    ADD COLUMN `FollowWindowDays` INT NOT NULL DEFAULT 90 COMMENT ''后续单注册后天数窗口'' AFTER `FollowOrderCap`,
    ADD COLUMN `MaxRewardOrders` INT NOT NULL DEFAULT 6 COMMENT ''最多计奖订单数'' AFTER `FollowWindowDays`,
    ADD COLUMN `SettleBusinessDays` INT NOT NULL DEFAULT 3 COMMENT ''派送成功后结算工作日'' AFTER `MaxRewardOrders`',
  'SELECT ''t_referral_commission_rule reward columns already exist'' AS info'
);
PREPARE stmt FROM @sql;
EXECUTE stmt;
DEALLOCATE PREPARE stmt;

UPDATE `t_referral_commission_rule`
SET
  `CommissionMode` = 'percent_of_paid_base_freight',
  `SettleTriggerOrderStatus` = 'deliverySuccess',
  `SettleBusinessDays` = CASE WHEN `SettleBusinessDays` > 0 THEN `SettleBusinessDays` ELSE 3 END,
  `FreezeDays` = CASE WHEN `SettleBusinessDays` > 0 THEN `SettleBusinessDays` ELSE 3 END,
  `UpdateTime` = NOW()
WHERE `IsDeleted` = 0;

-- ---------- t_referral_commission_detail ----------
SET @col := (
  SELECT COUNT(1)
  FROM information_schema.COLUMNS
  WHERE TABLE_SCHEMA = @db
    AND TABLE_NAME = 't_referral_commission_detail'
    AND COLUMN_NAME = 'SettleDueTime'
);
SET @sql := IF(
  @col = 0,
  'ALTER TABLE `t_referral_commission_detail`
    ADD COLUMN `SettleDueTime` DATETIME NULL COMMENT ''计划结算时间'' AFTER `EligibleTime`',
  'SELECT ''SettleDueTime already exists'' AS info'
);
PREPARE stmt FROM @sql;
EXECUTE stmt;
DEALLOCATE PREPARE stmt;

SET @col := (
  SELECT COUNT(1)
  FROM information_schema.COLUMNS
  WHERE TABLE_SCHEMA = @db
    AND TABLE_NAME = 't_referral_commission_detail'
    AND COLUMN_NAME = 'RewardOrderIndex'
);
SET @sql := IF(
  @col = 0,
  'ALTER TABLE `t_referral_commission_detail`
    ADD COLUMN `RewardOrderIndex` INT NOT NULL DEFAULT 0 COMMENT ''被邀请人第几单'' AFTER `SettleDueTime`',
  'SELECT ''RewardOrderIndex already exists'' AS info'
);
PREPARE stmt FROM @sql;
EXECUTE stmt;
DEALLOCATE PREPARE stmt;

UPDATE `t_coupon_template`
SET
  `Remark` = '被邀请人注册即发 5 元券',
  `UpdateTime` = NOW()
WHERE `IsDeleted` = 0
  AND `TemplateCode` = 'REFERRAL_INVITEE';