-- 桂物合同合规系统（HCS）接入：付款申请特批字段组与履约记录字段（设计文档 §4，P3）。
-- blade_payment_application 追加额度校验结果、特批流程ID/状态、履约记录ID 字段。
-- 通过 information_schema 判断字段是否存在，可重复执行。
SET @db_name = DATABASE();

-- ==================== blade_payment_application 扩展字段（C106-1 结果、C106-3/4 特批、C108 履约记录） ====================

SET @sql = IF(
  EXISTS (SELECT 1 FROM information_schema.columns WHERE table_schema = @db_name AND table_name = 'blade_payment_application' AND column_name = 'hcs_credit_status'),
  'SELECT 1',
  'ALTER TABLE blade_payment_application ADD COLUMN hcs_credit_status varchar(16) DEFAULT NULL COMMENT ''额度校验结果 pass=通过/over=超额（C106-1）'''
);
PREPARE stmt FROM @sql; EXECUTE stmt; DEALLOCATE PREPARE stmt;

SET @sql = IF(
  EXISTS (SELECT 1 FROM information_schema.columns WHERE table_schema = @db_name AND table_name = 'blade_payment_application' AND column_name = 'hcs_credit_msg'),
  'SELECT 1',
  'ALTER TABLE blade_payment_application ADD COLUMN hcs_credit_msg varchar(512) DEFAULT NULL COMMENT ''额度校验说明（超额原因 fdMessage）'''
);
PREPARE stmt FROM @sql; EXECUTE stmt; DEALLOCATE PREPARE stmt;

SET @sql = IF(
  EXISTS (SELECT 1 FROM information_schema.columns WHERE table_schema = @db_name AND table_name = 'blade_payment_application' AND column_name = 'hcs_credit_time'),
  'SELECT 1',
  'ALTER TABLE blade_payment_application ADD COLUMN hcs_credit_time datetime DEFAULT NULL COMMENT ''额度校验时间'''
);
PREPARE stmt FROM @sql; EXECUTE stmt; DEALLOCATE PREPARE stmt;

SET @sql = IF(
  EXISTS (SELECT 1 FROM information_schema.columns WHERE table_schema = @db_name AND table_name = 'blade_payment_application' AND column_name = 'hcs_spec_fd_id'),
  'SELECT 1',
  'ALTER TABLE blade_payment_application ADD COLUMN hcs_spec_fd_id varchar(64) DEFAULT NULL COMMENT ''结算付款特批流程ID（C106-3 返回，C106-4 必传）'''
);
PREPARE stmt FROM @sql; EXECUTE stmt; DEALLOCATE PREPARE stmt;

SET @sql = IF(
  EXISTS (SELECT 1 FROM information_schema.columns WHERE table_schema = @db_name AND table_name = 'blade_payment_application' AND column_name = 'hcs_spec_status'),
  'SELECT 1',
  'ALTER TABLE blade_payment_application ADD COLUMN hcs_spec_status varchar(16) DEFAULT ''none'' COMMENT ''特批状态 none/need/pushing/processing/approved/rejected'''
);
PREPARE stmt FROM @sql; EXECUTE stmt; DEALLOCATE PREPARE stmt;

SET @sql = IF(
  EXISTS (SELECT 1 FROM information_schema.columns WHERE table_schema = @db_name AND table_name = 'blade_payment_application' AND column_name = 'hcs_perf_fd_id'),
  'SELECT 1',
  'ALTER TABLE blade_payment_application ADD COLUMN hcs_perf_fd_id varchar(64) DEFAULT NULL COMMENT ''履约记录ID（C108-1 返回，C108-2 更新必传）'''
);
PREPARE stmt FROM @sql; EXECUTE stmt; DEALLOCATE PREPARE stmt;