package v1

import (
	"apsClient/model"
	"apsClient/model/request"
	"apsClient/pkg/contextx"
	"apsClient/pkg/ecode"
	"apsClient/service"
	"github.com/gin-gonic/gin"
)

type ProcessModelApi struct{}

// List
// @Tags      工艺模型
// @Summary   获取工艺模型列表
// @Produce   application/json
// @Param     object  query    request.ProcessModelList true  "查询参数"
// @Success   200   {object}  contextx.Response{data=[]model.ProcessModel}  "成功"
// @Router    /v1/processModel/list [get]
func (slf *ProcessModelApi) List(c *gin.Context) {
	var params request.ProcessModelList
	ctx, ok := contextx.NewContext(c, &params)
	if !ok {
		return
	}

	procedure, code := service.NewTaskService().GetProcedureById(params.ProcedureId)
	if code != ecode.OK {
		ctx.Fail(code)
		return
	}
	order, err := service.NewTaskService().GetOrderByWorkOrderId(procedure.WorkOrderID)
	if err != nil {
		ctx.Fail(ecode.DBErr)
		return
	}
	var oldProcessModel, newProcessModel, headProcessModel *model.ProcessModel

	if procedure.ProcessModelNumber != "" {
		oldProcessModel, _ = service.GetProcessModelByNumber(procedure.ProcessModelNumber) //获取旧的工艺参数
	}
	newProcessModel, _ = service.NewTaskService().GetProcessParams(procedure, order)                            //获取新的工艺参数
	if newProcessModel != nil && (oldProcessModel == nil || newProcessModel.Number != oldProcessModel.Number) { //旧的没有或者编号不同，更新
		if procedure.Status == model.ProcedureStatusProcessing {
			newProcessModel.NewNumber, newProcessModel.NewParamsMap = newProcessModel.Number, newProcessModel.ParamsMap
			if oldProcessModel != nil {
				newProcessModel.Number, newProcessModel.ParamsMap = oldProcessModel.Number, oldProcessModel.ParamsMap
			} else { //旧的没有，也可以"更新"(补充)
				newProcessModel.Number, newProcessModel.ParamsMap = "", nil
			}
			newProcessModel.IsUpdate = true
		}
		headProcessModel = newProcessModel
	} else if oldProcessModel != nil {
		headProcessModel = oldProcessModel
	}

	offset, limit, unShift := GetOffsetAndLimit(headProcessModel, params.Page, params.PageSize)
	list, total, err := service.GetOtherProcessModelList(offset, limit, order.ProductName, procedure.ProceduresInfo.ProcedureName) //获取其他工艺参数
	if err != nil {
		ctx.Fail(ecode.DBErr)
		return
	}
	if unShift && headProcessModel != nil { //粘在前面
		list = append([]*model.ProcessModel{headProcessModel}, list...)
	}
	ctx.ResultList(list, total)
}

func GetOffsetAndLimit(head *model.ProcessModel, page, pageSize int) (offset, limit int, unShift bool) {
	unShift = head != nil && page == 1
	limit = pageSize
	if unShift {
		limit-- //第一页少查一个
	}
	offset = (page - 1) * pageSize
	if head != nil && offset > 0 { //第二页开始偏移量左移一个
		offset--
	}

	return offset, limit, unShift
}