-- 隧道物料流转：MySQL 增量补丁
-- 前置条件：已执行 20260922_test_data_batch_mysql.sql，且数据库中存在 biz_test_batch。
-- 本补丁只生成脚本，不在应用启动时自动执行；执行前请备份数据库并由 DBA 审核。
-- 业务层将新托盘/新装填固定为 100 包，数据库不增加 capacity_packages = 100
-- 约束，以兼容已有历史非 100 包托盘数据。

-- 隧道主数据：一个客户现场下的隧道编号唯一；current_trace_no 表示当前混批溯源号。
CREATE TABLE biz_tunnel (
  tunnel_id                BIGINT NOT NULL AUTO_INCREMENT COMMENT '隧道ID',
  test_batch_id            BIGINT NULL COMMENT '测试数据批次ID；NULL表示正式数据',
  site_id                  BIGINT NOT NULL COMMENT '现场ID',
  tunnel_code              VARCHAR(64) NOT NULL COMMENT '隧道编号',
  tunnel_name              VARCHAR(100) NOT NULL COMMENT '隧道名称',
  current_trace_no         VARCHAR(64) NULL COMMENT '当前隧道物料溯源号',
  current_trace_started_at DATETIME NULL COMMENT '当前溯源批次开始时间',
  status                   CHAR(1) NOT NULL DEFAULT '0' COMMENT '状态（0正常 1停用）',
  create_by                VARCHAR(64) NULL DEFAULT '' COMMENT '创建者',
  create_time              DATETIME NULL COMMENT '创建时间',
  update_by                VARCHAR(64) NULL DEFAULT '' COMMENT '更新者',
  update_time              DATETIME NULL COMMENT '更新时间',
  remark                   VARCHAR(500) NULL COMMENT '备注',
  PRIMARY KEY (tunnel_id),
  KEY idx_biz_tunnel_test_batch_id (test_batch_id),
  CONSTRAINT uq_biz_tunnel_site_code UNIQUE (site_id, tunnel_code),
  CONSTRAINT fk_biz_tunnel_test_batch_id FOREIGN KEY (test_batch_id) REFERENCES biz_test_batch (batch_id),
  CONSTRAINT fk_biz_tunnel_site FOREIGN KEY (site_id) REFERENCES biz_customer_site (site_id),
  CONSTRAINT ck_biz_tunnel_status CHECK (status IN ('0', '1'))
) ENGINE=InnoDB COMMENT='客户现场隧道主数据表';

-- 使用记录：保留入隧隧道、溯源号和生产批次快照；产线改为可选。
ALTER TABLE biz_usage_record
  ADD COLUMN tunnel_id BIGINT NULL COMMENT '隧道ID；历史记录可能为空' AFTER site_id,
  ADD COLUMN trace_no VARCHAR(64) NULL COMMENT '隧道物料内部溯源号；历史记录可能为空' AFTER tunnel_id,
  ADD COLUMN batch_no_snapshot VARCHAR(64) NULL COMMENT '生产批次快照；历史记录可能为空' AFTER trace_no,
  MODIFY COLUMN line_id BIGINT NULL COMMENT '产线ID（可选）',
  ADD CONSTRAINT fk_biz_usage_record_tunnel FOREIGN KEY (tunnel_id) REFERENCES biz_tunnel (tunnel_id);

-- 退回明细：保存申请时的隧道、溯源号和批次快照。
ALTER TABLE biz_return_item
  ADD COLUMN tunnel_id_snapshot BIGINT NULL COMMENT '申请时隧道ID快照' AFTER active_filling_id_snapshot,
  ADD COLUMN trace_no_snapshot VARCHAR(64) NULL COMMENT '申请时物料溯源号快照' AFTER tunnel_id_snapshot,
  ADD COLUMN batch_no_snapshot VARCHAR(64) NULL COMMENT '申请时生产批次快照' AFTER trace_no_snapshot,
  ADD CONSTRAINT fk_biz_return_item_tunnel FOREIGN KEY (tunnel_id_snapshot) REFERENCES biz_tunnel (tunnel_id);

-- 当前库存：隧道归属和当前溯源号随托盘一起锁定维护。
ALTER TABLE biz_pallet_inventory
  ADD COLUMN tunnel_id BIGINT NULL COMMENT '当前隧道ID' AFTER site_id,
  ADD COLUMN trace_no VARCHAR(64) NULL COMMENT '当前隧道物料溯源号' AFTER tunnel_id,
  ADD CONSTRAINT fk_biz_pallet_inventory_tunnel FOREIGN KEY (tunnel_id) REFERENCES biz_tunnel (tunnel_id);

-- 流转事件：为入隧、使用、退回保留隧道和溯源快照。
ALTER TABLE biz_pallet_event
  ADD COLUMN before_tunnel_id BIGINT NULL COMMENT '变更前隧道ID' AFTER before_site_id,
  ADD COLUMN after_tunnel_id BIGINT NULL COMMENT '变更后隧道ID' AFTER after_site_id,
  ADD COLUMN trace_no VARCHAR(64) NULL COMMENT '事件关联物料溯源号' AFTER after_remaining_packages,
  ADD COLUMN batch_no_snapshot VARCHAR(64) NULL COMMENT '事件生产批次快照' AFTER trace_no,
  ADD CONSTRAINT fk_biz_pallet_event_before_tunnel FOREIGN KEY (before_tunnel_id) REFERENCES biz_tunnel (tunnel_id),
  ADD CONSTRAINT fk_biz_pallet_event_after_tunnel FOREIGN KEY (after_tunnel_id) REFERENCES biz_tunnel (tunnel_id);

ALTER TABLE biz_pallet_event
  DROP CHECK ck_biz_pallet_event_event_type,
  ADD CONSTRAINT ck_biz_pallet_event_event_type CHECK (
    event_type IN (
      'INBOUND_CONFIRMED',
      'FILLING_CONFIRMED',
      'SHIPMENT_CONFIRMED',
      'TUNNEL_ENTERED',
      'USAGE_RECORDED',
      'RETURN_REQUESTED',
      'RETURN_CONFIRMED'
    )
  );

-- 菜单：只提供隧道查询/新增/修改权限，不提供物理删除权限。
INSERT INTO sys_menu (
  menu_id, menu_name, parent_id, order_num, path, component, query, route_name,
  is_frame, is_cache, menu_type, visible, status, perms, icon, create_by,
  create_time, update_by, update_time, remark
)
SELECT 520, '隧道资料', 121, 7, 'tunnel', 'master/tunnel/index', '', '',
       1, 0, 'C', '0', '0', 'master:tunnel:list', '#', 'admin', SYSDATE(), '', NULL, '隧道资料菜单'
WHERE NOT EXISTS (SELECT 1 FROM sys_menu WHERE menu_id = 520);

INSERT INTO sys_menu (
  menu_id, menu_name, parent_id, order_num, path, component, query, route_name,
  is_frame, is_cache, menu_type, visible, status, perms, icon, create_by,
  create_time, update_by, update_time, remark
)
SELECT 1116, '隧道查询', 520, 1, '#', '', '', '',
       1, 0, 'F', '0', '0', 'master:tunnel:query', '#', 'admin', SYSDATE(), '', NULL, ''
WHERE NOT EXISTS (SELECT 1 FROM sys_menu WHERE menu_id = 1116);

INSERT INTO sys_menu (
  menu_id, menu_name, parent_id, order_num, path, component, query, route_name,
  is_frame, is_cache, menu_type, visible, status, perms, icon, create_by,
  create_time, update_by, update_time, remark
)
SELECT 1117, '隧道新增', 520, 2, '#', '', '', '',
       1, 0, 'F', '0', '0', 'master:tunnel:add', '#', 'admin', SYSDATE(), '', NULL, ''
WHERE NOT EXISTS (SELECT 1 FROM sys_menu WHERE menu_id = 1117);

INSERT INTO sys_menu (
  menu_id, menu_name, parent_id, order_num, path, component, query, route_name,
  is_frame, is_cache, menu_type, visible, status, perms, icon, create_by,
  create_time, update_by, update_time, remark
)
SELECT 1118, '隧道修改', 520, 3, '#', '', '', '',
       1, 0, 'F', '0', '0', 'master:tunnel:edit', '#', 'admin', SYSDATE(), '', NULL, ''
WHERE NOT EXISTS (SELECT 1 FROM sys_menu WHERE menu_id = 1118);

-- 重要：DDL 会隐式提交，不能依赖事务整体回滚；本文件未执行任何数据库操作。