package logic

import (
	"context"
	"errors"

	"bj_power_mes/ent"
	"bj_power_mes/ent/workorder"
)

type WorkOrderReq struct {
	Id            int    `json:"id"`
	WorkOrderNo   string `json:"workOrderNo"`
	ProductTypeId int    `json:"productTypeId"`
	ProductCode   string `json:"productCode"`
	ProductName   string `json:"productName"`
	Quantity      int    `json:"quantity"`
	ProcessSeq    string `json:"processSeq"`
	Status        string `json:"status"`
	PlanStart     string `json:"planStart"`
	PlanEnd       string `json:"planEnd"`
}

// CreateWorkOrder 创建工单
func (s *Service) CreateWorkOrder(ctx context.Context, req WorkOrderReq, operator string) error {
	if req.WorkOrderNo == "" {
		return errors.New("工单号不能为空")
	}
	if req.ProductTypeId == 0 {
		return errors.New("请选择产品类型")
	}
	if req.Quantity <= 0 {
		req.Quantity = 1
	}
	status := req.Status
	if status == "" {
		status = "CREATED"
	}
	if req.ProcessSeq == "" {
		req.ProcessSeq = "123456789101112"
	}
	b := s.ctx.EntClient.WorkOrder.Create().
		SetWorkOrderNo(req.WorkOrderNo).
		SetProductTypeId(req.ProductTypeId).
		SetProductCode(req.ProductCode).
		SetProductName(req.ProductName).
		SetQuantity(req.Quantity).
		SetProcessSeq(req.ProcessSeq).
		SetStatus(status)
	if req.PlanStart != "" {
		if t, err := parseDate(req.PlanStart); err == nil {
			b.SetPlanStart(t)
		}
	}
	if req.PlanEnd != "" {
		if t, err := parseDate(req.PlanEnd); err == nil {
			b.SetPlanEnd(t)
		}
	}
	if _, err := b.Save(ctx); err != nil {
		return err
	}
	s.ctx.EventLog.Write(ctx, "work.order.create", req.WorkOrderNo, operator, "work_order", req.WorkOrderNo, "创建工单", map[string]any{"quantity": req.Quantity})
	return nil
}

func (s *Service) UpdateWorkOrder(ctx context.Context, req WorkOrderReq, operator string) error {
	if req.Id == 0 {
		return errors.New("缺少 id")
	}
	u := s.ctx.EntClient.WorkOrder.UpdateOneID(req.Id).
		SetStatus(req.Status).SetQuantity(req.Quantity).SetProcessSeq(req.ProcessSeq)
	if req.PlanStart != "" {
		if t, err := parseDate(req.PlanStart); err == nil {
			u.SetPlanStart(t)
		}
	}
	if req.PlanEnd != "" {
		if t, err := parseDate(req.PlanEnd); err == nil {
			u.SetPlanEnd(t)
		}
	}
	if err := u.Exec(ctx); err != nil {
		return err
	}
	wo, err := s.ctx.EntClient.WorkOrder.Get(ctx, req.Id)
	if err == nil {
		s.ctx.EventLog.Write(ctx, "work.order.update", wo.WorkOrderNo, operator, "work_order", wo.WorkOrderNo, "更新工单", map[string]any{"status": req.Status})
	}
	return nil
}

// ListWorkOrders 查询工单（支持工单号/状态过滤）
func (s *Service) ListWorkOrders(ctx context.Context, orderNo, status string) ([]*ent.WorkOrder, error) {
	q := s.ctx.EntClient.WorkOrder.Query()
	if orderNo != "" {
		q = q.Where(workorder.WorkOrderNoContains(orderNo))
	}
	if status != "" {
		q = q.Where(workorder.Status(status))
	}
	return q.Order(ent.Desc(workorder.FieldID)).All(ctx)
}

func (s *Service) GetWorkOrder(ctx context.Context, id int) (*ent.WorkOrder, error) {
	if id > 0 {
		return s.ctx.EntClient.WorkOrder.Get(ctx, id)
	}
	return s.ctx.EntClient.WorkOrder.Query().Order(ent.Desc(workorder.FieldID)).First(ctx)
}