-- 嘉恒智能报工小程序 MySQL schema
-- 建议 MySQL 8.0+，字符集统一 utf8mb4。

CREATE TABLE IF NOT EXISTS personnel (
  phone VARCHAR(20) NOT NULL COMMENT '电话号',
  name VARCHAR(64) NOT NULL COMMENT '姓名',
  created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
  updated_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
  PRIMARY KEY (phone)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='人员表';

CREATE TABLE IF NOT EXISTS person_roles (
  phone VARCHAR(20) NOT NULL COMMENT '电话号',
  role ENUM('worker', 'admin', 'manager') NOT NULL COMMENT '角色',
  created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
  PRIMARY KEY (phone, role),
  CONSTRAINT fk_person_roles_person FOREIGN KEY (phone) REFERENCES personnel(phone)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='人员角色表';

CREATE TABLE IF NOT EXISTS products (
  project_no VARCHAR(64) NOT NULL COMMENT '项目号',
  product_name VARCHAR(255) NOT NULL COMMENT '产品名称',
  profile_no VARCHAR(128) NULL COMMENT '型材号，来自现有产品清单',
  material_code VARCHAR(128) NULL COMMENT '物料编码',
  material_name VARCHAR(255) NULL COMMENT '物料名称',
  supplier VARCHAR(255) NULL COMMENT '供应商',
  device_no VARCHAR(64) NOT NULL COMMENT '使用设备号',
  process_name VARCHAR(128) NOT NULL COMMENT '工序',
  stamping_method VARCHAR(128) NULL COMMENT '冲压方式',
  operator_count DECIMAL(10,2) NOT NULL DEFAULT 1 COMMENT '操作人数',
  standard_beat DECIMAL(12,3) NOT NULL COMMENT '标准节拍，秒/件',
  standard_workload DECIMAL(12,2) NOT NULL DEFAULT 0 COMMENT '标准工作量，建议按8小时折算',
  created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
  updated_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
  PRIMARY KEY (project_no, product_name, device_no, process_name),
  KEY idx_products_device_no (device_no),
  KEY idx_products_material_code (material_code)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='产品表';

CREATE TABLE IF NOT EXISTS work_sessions (
  id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
  employee_phone VARCHAR(20) NOT NULL,
  start_at DATETIME NOT NULL,
  end_at DATETIME NULL,
  status ENUM('active', 'reporting', 'submitted', 'cancelled') NOT NULL DEFAULT 'active',
  created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
  updated_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
  PRIMARY KEY (id),
  KEY idx_sessions_employee_status (employee_phone, status),
  CONSTRAINT fk_sessions_employee FOREIGN KEY (employee_phone) REFERENCES personnel(phone)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='扫码上班流程';

CREATE TABLE IF NOT EXISTS work_session_devices (
  id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
  session_id BIGINT UNSIGNED NOT NULL,
  device_no VARCHAR(64) NOT NULL,
  scanned_at DATETIME NOT NULL,
  sort_order INT NOT NULL DEFAULT 0,
  PRIMARY KEY (id),
  UNIQUE KEY uk_session_device (session_id, device_no),
  KEY idx_session_devices_device (device_no),
  CONSTRAINT fk_session_devices_session FOREIGN KEY (session_id) REFERENCES work_sessions(id)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='一次报工流程中的设备序列';

CREATE TABLE IF NOT EXISTS production_reports (
  id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
  session_id BIGINT UNSIGNED NOT NULL,
  employee_phone VARCHAR(20) NOT NULL,
  report_date DATE NOT NULL COMMENT '以员工确认提交日期为准',
  start_at DATETIME NOT NULL,
  end_at DATETIME NOT NULL,
  duration_minutes DECIMAL(10,2) NOT NULL DEFAULT 0,
  break_minutes DECIMAL(10,2) NOT NULL DEFAULT 0 COMMENT '休息间隔，仅经理可改',
  effective_minutes DECIMAL(10,2) NOT NULL DEFAULT 0,
  total_good_qty DECIMAL(12,2) NOT NULL DEFAULT 0,
  total_output_qty DECIMAL(12,2) NOT NULL DEFAULT 0,
  actual_beat DECIMAL(12,3) NOT NULL DEFAULT 0,
  standard_beat DECIMAL(12,3) NOT NULL DEFAULT 0,
  expected_workload DECIMAL(12,2) NOT NULL DEFAULT 0,
  pace_rate DECIMAL(10,2) NOT NULL DEFAULT 0,
  workload_rate DECIMAL(10,2) NOT NULL DEFAULT 0,
  status ENUM('pending', 'approved', 'rejected') NOT NULL DEFAULT 'pending',
  reviewer_phone VARCHAR(20) NULL,
  reviewed_at DATETIME NULL,
  reject_reason VARCHAR(500) NULL,
  submitted_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
  updated_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
  PRIMARY KEY (id),
  UNIQUE KEY uk_report_session (session_id),
  KEY idx_reports_employee_date (employee_phone, report_date),
  KEY idx_reports_status_date (status, report_date),
  KEY idx_reports_reviewer (reviewer_phone, reviewed_at),
  CONSTRAINT fk_reports_session FOREIGN KEY (session_id) REFERENCES work_sessions(id),
  CONSTRAINT fk_reports_employee FOREIGN KEY (employee_phone) REFERENCES personnel(phone),
  CONSTRAINT fk_reports_reviewer FOREIGN KEY (reviewer_phone) REFERENCES personnel(phone)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='报工主表';

CREATE TABLE IF NOT EXISTS production_report_items (
  id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
  report_id BIGINT UNSIGNED NOT NULL,
  device_no VARCHAR(64) NOT NULL,
  project_no VARCHAR(64) NOT NULL,
  product_name VARCHAR(255) NOT NULL,
  material_code VARCHAR(128) NULL,
  material_name VARCHAR(255) NULL,
  process_name VARCHAR(128) NULL,
  standard_beat DECIMAL(12,3) NOT NULL DEFAULT 0,
  standard_workload DECIMAL(12,2) NOT NULL DEFAULT 0,
  good_qty DECIMAL(12,2) NOT NULL DEFAULT 0,
  defect_qty DECIMAL(12,2) NOT NULL DEFAULT 0,
  scrap_qty DECIMAL(12,2) NOT NULL DEFAULT 0,
  allocated_minutes DECIMAL(10,2) NOT NULL DEFAULT 0,
  created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
  PRIMARY KEY (id),
  KEY idx_report_items_report (report_id),
  KEY idx_report_items_product (project_no, product_name),
  CONSTRAINT fk_report_items_report FOREIGN KEY (report_id) REFERENCES production_reports(id)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='报工明细';

CREATE TABLE IF NOT EXISTS report_audit_logs (
  id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
  report_id BIGINT UNSIGNED NOT NULL,
  reviewer_phone VARCHAR(20) NOT NULL,
  action ENUM('approve', 'approve_with_correction', 'reject', 'manager_break_update') NOT NULL,
  before_json JSON NULL,
  after_json JSON NULL,
  remark VARCHAR(500) NULL,
  created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
  PRIMARY KEY (id),
  KEY idx_audit_report (report_id),
  KEY idx_audit_reviewer (reviewer_phone, created_at),
  CONSTRAINT fk_audit_report FOREIGN KEY (report_id) REFERENCES production_reports(id),
  CONSTRAINT fk_audit_reviewer FOREIGN KEY (reviewer_phone) REFERENCES personnel(phone)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='审核记录';

CREATE TABLE IF NOT EXISTS device_qrcodes (
  device_no VARCHAR(64) NOT NULL,
  qr_scene VARCHAR(128) NOT NULL,
  qr_url VARCHAR(500) NULL,
  created_by VARCHAR(20) NOT NULL,
  created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
  PRIMARY KEY (device_no),
  CONSTRAINT fk_qrcode_creator FOREIGN KEY (created_by) REFERENCES personnel(phone)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='设备二维码';