package api

import (
	"box-cost/db/model"
	"box-cost/db/repo"
	"box-cost/log"
	"errors"
	"fmt"
	"time"

	"github.com/gin-gonic/gin"
	"github.com/xuri/excelize/v2"
	"go.mongodb.org/mongo-driver/bson"
	"go.mongodb.org/mongo-driver/bson/primitive"
)

// 生产计划管理
func ProductPlan(r *GinRouter) {

	// 创建生产计划
	r.POST("/plan/create", CreateProductPlan)

	// 获取生产计划详情
	r.GET("/plan/detail/:id", GetProductPlan)

	// 获取生产计划列表
	r.GET("/plan/list", GetProductPlans)

	// 更新生产计划
	r.POST("/plan/update", UpdateProductPlan)

	// 删除生产计划
	r.POST("/plan/delete/:id", DelProductPlan)

	// 下载部件打印单
	r.GET("/bill/plan/download", DownLoadPlan)

}

func DownLoadPlan(c *gin.Context, apictx *ApiSession) (interface{}, error) {
	_planId := c.Query("id")
	compId := c.Query("compId")
	planId, err := primitive.ObjectIDFromHex(_planId)
	if err != nil {
		return nil, errors.New("packId错误")
	}
	plan := model.ProductPlan{}
	found, err := repo.RepoSeachDoc(apictx.CreateRepoCtx(), &repo.DocSearchOptions{
		CollectName: repo.CollectionProductPlan,
		Query:       repo.Map{"_id": planId},
	}, &plan)
	if !found || err != nil {
		return nil, errors.New("数据未找到")
	}
	// 获取部件单据
	curComp := &model.PackComponent{}
	for _, comp := range plan.Pack.Components {
		if comp.Id == compId {
			curComp = comp
		}
	}
	if curComp.Id == "" {
		return nil, errors.New("该组件不存在")
	}

	// 获取bill
	if len(curComp.Mats) == 0 {
		return nil, errors.New("该组件数据不存在")
	}
	f := excelize.NewFile()
	// Create a new sheet.
	index := f.NewSheet("Sheet1")
	f.SetActiveSheet(index)
	f.SetDefaultFont("宋体")

	info := model.Setting{}
	repo.RepoSeachDoc(apictx.CreateRepoCtx(), &repo.DocSearchOptions{
		CollectName: "infos",
	}, &info)

	offset := 0
	for _, mat := range curComp.Mats {
		// 采购单
		_purchaseId := mat.BillId
		purchaseId, err := primitive.ObjectIDFromHex(_purchaseId)
		if err == nil {
			purchase := model.PurchaseBill{}
			found, _ := repo.RepoSeachDoc(apictx.CreateRepoCtx(), &repo.DocSearchOptions{
				CollectName: repo.CollectionBillPurchase,
				Query:       repo.Map{"_id": purchaseId},
			}, &purchase)
			if found {
				purchaseExcel := NewPurchaseBill(f)
				purchaseExcel.Content = &purchase
				purchaseExcel.Title = fmt.Sprintf("%s原材料采购单", info.CompanyName)
				//设置对应的数据
				purchaseExcel.Offset = offset
				purchaseExcel.Draws()

				offset += 15
			}
		}
		if len(mat.Crafts) > 0 {
			for _, carft := range mat.Crafts {
				// 加工单
				_produceId := carft.BillId
				produceId, err := primitive.ObjectIDFromHex(_produceId)
				if err == nil {
					produce := model.ProduceBill{}
					found, _ := repo.RepoSeachDoc(apictx.CreateRepoCtx(), &repo.DocSearchOptions{
						CollectName: repo.CollectionBillProduce,
						Query:       repo.Map{"_id": produceId},
					}, &produce)
					if found {
						produceExcel := NewProduceBill(f)
						produceExcel.Content = &produce
						produceExcel.Title = fmt.Sprintf("%s加工单", info.CompanyName)
						//设置对应的数据
						produceExcel.Offset = offset
						produceExcel.Draws()

						offset += 15
					}

				}
			}
		}
	}

	c.Header("Content-Type", "application/octet-stream")
	c.Header("Content-Disposition", "attachment; filename="+"bill.xlsx")
	c.Header("Content-Transfer-Encoding", "binary")

	err = f.Write(c.Writer)
	if err != nil {
		return nil, err
	}

	return nil, nil
}

// 创建生产计划
func CreateProductPlan(c *gin.Context, apictx *ApiSession) (interface{}, error) {

	var plan model.ProductPlan

	err := c.ShouldBindJSON(&plan)
	if err != nil {
		fmt.Println(err)
		return nil, errors.New("参数错误！")
	}
	ctx := apictx.CreateRepoCtx()

	if plan.Name == "" {
		return nil, errors.New("生产计划名为空")
	}
	if plan.Total == 0 {
		return nil, errors.New("生产计划数应不为0")
	}

	plan.Status = "process" // 进行中
	plan.CreateTime = time.Now()
	plan.UpdateTime = time.Now()

	result, err := repo.RepoAddDoc(ctx, repo.CollectionProductPlan, &plan)
	return result, err
}

// 获取生产计划信息
func GetProductPlan(c *gin.Context, apictx *ApiSession) (interface{}, error) {
	planId := c.Param("id")
	id, err := primitive.ObjectIDFromHex(planId)
	if err != nil {
		return nil, errors.New("非法id")
	}
	var plan model.ProductPlan
	option := &repo.DocSearchOptions{
		CollectName: repo.CollectionProductPlan,
		Query:       repo.Map{"_id": id},
	}

	found, err := repo.RepoSeachDoc(apictx.CreateRepoCtx(), option, &plan)
	if !found || err != nil {
		log.Info(err)
		return nil, errors.New("数据未找到")
	}

	billStates := map[string]string{}

	if plan.Pack != nil && plan.Pack.Components != nil {
		for _, comp := range plan.Pack.Components {
			if comp.Mats != nil {
				for _, mat := range comp.Mats {

					if len(mat.BillId) > 0 {
						ok, state := repo.RepoSeachDocMap(apictx.CreateRepoCtx(), &repo.DocSearchOptions{CollectName: repo.CollectionBillPurchase, Query: repo.Map{"_id": mat.BillId}, Project: []string{"status"}})
						if ok {
							billStates[mat.BillId] = state["status"].(string)
						}
					}

					if mat.Crafts != nil {
						for _, craft := range mat.Crafts {
							if len(craft.BillId) > 0 {
								ok, state := repo.RepoSeachDocMap(apictx.CreateRepoCtx(), &repo.DocSearchOptions{CollectName: repo.CollectionBillProduce, Query: repo.Map{"_id": craft.BillId}, Project: []string{"status"}})
								if ok {
									billStates[craft.BillId] = state["status"].(string)
								}
							}
						}
					}
				}
			}
		}
	}

	return map[string]interface{}{
		"plan":       plan,
		"billStates": billStates,
	}, nil
}

// 获取生产计划列表
func GetProductPlans(c *gin.Context, apictx *ApiSession) (interface{}, error) {

	page, size, query := UtilQueryPageSize(c)

	option := &repo.PageSearchOptions{
		CollectName: repo.CollectionProductPlan,
		Query:       query,
		Page:        page,
		Size:        size,
		Sort:        bson.M{"createTime": -1},
		Project:     []string{"_id", "thumbnail", "name", "updateTime", "createUser", "total", "totalPrice", "status"},
	}
	return repo.RepoPageSearch(apictx.CreateRepoCtx(), option)
}

// 更新生产计划
func UpdateProductPlan(c *gin.Context, apictx *ApiSession) (interface{}, error) {
	var plan model.ProductPlan
	err := c.ShouldBindJSON(&plan)
	if err != nil {
		return nil, errors.New("参数错误")
	}
	if plan.Id.Hex() == "" {
		return nil, errors.New("id的为空")
	}
	plan.UpdateTime = time.Now()
	return repo.RepoUpdateSetDoc(apictx.CreateRepoCtx(), repo.CollectionProductPlan, plan.Id.Hex(), &plan)
}

// 删除生产计划
func DelProductPlan(c *gin.Context, apictx *ApiSession) (interface{}, error) {
	planId := c.Param("id")
	if planId == "" {
		return nil, errors.New("id为空")
	}

	return repo.RepoDeleteDoc(apictx.CreateRepoCtx(), repo.CollectionProductPlan, planId)
}