SET NAMES utf8mb4;
USE baiyue_firstleg;

CREATE TABLE IF NOT EXISTS fl_terminal_drayage (
  id BIGINT UNSIGNED NOT NULL COMMENT '目的港码头拖车聚合ID',
  container_booking_id BIGINT UNSIGNED NOT NULL COMMENT '唯一归属物理货柜ID',
  fleet_supplier_id BIGINT UNSIGNED NULL COMMENT 'Warehouse ACTIVE/TRUCKING供应商ID快照',
  fleet_supplier_name VARCHAR(128) NULL COMMENT 'Warehouse供应商名称快照',
  pickup_appointment_at DATETIME(3) NULL COMMENT '预约提柜时间',
  estimated_empty_return_at DATETIME(3) NULL COMMENT '服务端按卸柜完成时间加72小时计算的预计还柜时间',
  actual_empty_return_at DATETIME(3) NULL COMMENT '实际还空柜时间',
  version INT UNSIGNED NOT NULL DEFAULT 1 COMMENT '乐观锁版本号',
  created_by BIGINT UNSIGNED NOT NULL COMMENT '创建人ID',
  created_by_name VARCHAR(64) NULL COMMENT '创建人名称快照',
  created_at DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3) COMMENT '创建时间',
  updated_by BIGINT UNSIGNED NOT NULL COMMENT '最后更新人ID',
  updated_by_name VARCHAR(64) NULL COMMENT '最后更新人名称快照',
  updated_at DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3) ON UPDATE CURRENT_TIMESTAMP(3) COMMENT '更新时间',
  PRIMARY KEY(id),
  UNIQUE KEY uk_terminal_drayage_container(container_booking_id),
  KEY idx_terminal_drayage_warning(actual_empty_return_at,estimated_empty_return_at),
  CONSTRAINT fk_terminal_drayage_container FOREIGN KEY(container_booking_id) REFERENCES fl_container_booking(id)
) ENGINE=InnoDB COMMENT='目的港货柜级码头拖车与还空事实';

CREATE TABLE IF NOT EXISTS fl_terminal_drayage_mail (
  id BIGINT UNSIGNED NOT NULL COMMENT '邮件任务ID',
  container_booking_id BIGINT UNSIGNED NOT NULL COMMENT '归属物理货柜ID',
  fleet_supplier_id BIGINT UNSIGNED NOT NULL COMMENT '车队供应商ID快照',
  fleet_name VARCHAR(128) NOT NULL COMMENT '车队名称快照',
  recipient VARCHAR(254) NOT NULL COMMENT '收件人邮箱',
  kind VARCHAR(32) NOT NULL COMMENT '邮件类型：REQUEST_PICKUP提柜请求、CANCEL_PICKUP取消提柜',
  subject VARCHAR(255) NOT NULL COMMENT '邮件主题',
  body TEXT NOT NULL COMMENT '邮件正文',
  status VARCHAR(16) NOT NULL DEFAULT 'PENDING' COMMENT '投递状态：PENDING待发送、SENDING发送中、SENT已发送、FAILED失败',
  attempts INT NOT NULL DEFAULT 0 COMMENT '发送尝试次数',
  failure_reason VARCHAR(500) NULL COMMENT '发送失败原因',
  created_by BIGINT UNSIGNED NOT NULL COMMENT '创建人ID',
  updated_by BIGINT UNSIGNED NOT NULL COMMENT '最后更新人ID',
  created_at DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3) COMMENT '创建时间',
  updated_at DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3) ON UPDATE CURRENT_TIMESTAMP(3) COMMENT '更新时间',
  sent_at DATETIME(3) NULL COMMENT '发送成功时间',
  PRIMARY KEY(id),
  KEY idx_terminal_mail_dispatch(status,id),
  KEY idx_terminal_mail_container(container_booking_id,id,status),
  CONSTRAINT fk_terminal_mail_container FOREIGN KEY(container_booking_id) REFERENCES fl_container_booking(id),
  CONSTRAINT chk_terminal_mail_kind CHECK(kind IN ('REQUEST_PICKUP','CANCEL_PICKUP')),
  CONSTRAINT chk_terminal_mail_status CHECK(status IN ('PENDING','SENDING','SENT','FAILED'))
) ENGINE=InnoDB COMMENT='码头车队邮件任务与投递记录';
CREATE TABLE IF NOT EXISTS fl_terminal_drayage_history (
  id BIGINT UNSIGNED NOT NULL COMMENT '历史ID',
  drayage_id BIGINT UNSIGNED NOT NULL COMMENT '码头拖车聚合ID',
  container_booking_id BIGINT UNSIGNED NOT NULL COMMENT '货柜ID快照',
  action VARCHAR(32) NOT NULL COMMENT 'SELECT_FLEET/SCHEDULE_PICKUP/RECORD_EMPTY_RETURN',
  from_status VARCHAR(32) NOT NULL COMMENT '操作前状态',
  to_status VARCHAR(32) NOT NULL COMMENT '操作后状态',
  from_version INT UNSIGNED NOT NULL COMMENT '操作前版本',
  to_version INT UNSIGNED NOT NULL COMMENT '操作后版本',
  reason VARCHAR(500) NULL COMMENT '操作说明',
  operator_id BIGINT UNSIGNED NOT NULL COMMENT '操作人ID',
  operator_name VARCHAR(64) NULL COMMENT '操作人名称快照',
  created_at DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3) COMMENT '操作时间',
  PRIMARY KEY(id),
  KEY idx_terminal_drayage_history(container_booking_id,created_at,id),
  CONSTRAINT fk_terminal_drayage_history FOREIGN KEY(drayage_id) REFERENCES fl_terminal_drayage(id),
  CONSTRAINT chk_terminal_drayage_history_action CHECK(action IN
    ('SELECT_FLEET','SEND_PICKUP_EMAIL','SCHEDULE_PICKUP','RECORD_EMPTY_RETURN'))
) ENGINE=InnoDB COMMENT='目的港码头拖车不可变操作历史';

CREATE TABLE IF NOT EXISTS fl_terminal_drayage_operation (
  id BIGINT UNSIGNED NOT NULL COMMENT '幂等操作ID',
  container_booking_id BIGINT UNSIGNED NOT NULL COMMENT '货柜ID',
  operation VARCHAR(32) NOT NULL COMMENT '业务动作',
  idempotency_key VARCHAR(255) NOT NULL COMMENT '客户端幂等键',
  request_hash CHAR(64) NOT NULL COMMENT '请求载荷SHA-256',
  result_version INT UNSIGNED NOT NULL COMMENT '成功结果版本',
  operator_id BIGINT UNSIGNED NOT NULL COMMENT '操作人ID',
  created_at DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3) COMMENT '完成时间',
  PRIMARY KEY(id),
  UNIQUE KEY uk_terminal_drayage_operation(container_booking_id,idempotency_key),
  KEY idx_terminal_drayage_operation(container_booking_id,created_at),
  CONSTRAINT fk_terminal_drayage_operation_container FOREIGN KEY(container_booking_id) REFERENCES fl_container_booking(id)
) ENGINE=InnoDB COMMENT='目的港码头拖车成功幂等操作';