package customer

import (
	"net/http"
	"strconv"
	"strings"

	"management/internal/db/model/dto"
	"management/internal/db/model/form"
	db "management/internal/db/sqlc"
	"management/internal/global"
	"management/internal/global/html"
	"management/internal/global/know"
	"management/internal/middleware/manage/auth"
	"management/internal/pkg/snowflake"
	"management/internal/router/manage/util"
	categoryservice "management/internal/service/category"
	"management/internal/tpl"

	"github.com/jackc/pgx/v5/pgtype"
)

func List(w http.ResponseWriter, r *http.Request) {
	ctx := r.Context()
	cc, _ := categoryservice.GetParentCategorySelectLetter(ctx, know.CustomerCategory)
	ss, _ := categoryservice.GetParentCategorySelectLetter(ctx, know.CustomerSource)
	tpl.HTML(w, r, "customer/list.tmpl", map[string]any{
		"Statuses":   html.NewSelectControls(global.Statuses, 0),
		"Categories": html.NewSelectStringControls(cc, "0"),
		"Sources":    html.NewSelectStringControls(ss, "0"),
	})
}

func PostList(w http.ResponseWriter, r *http.Request) {
	ctx := r.Context()
	category := util.ConvertInt32(r.PostFormValue("category"), 9999)
	if category == 0 {
		category = 9999
	}
	source := util.ConvertInt32(r.PostFormValue("source"), 9999)
	if source == 0 {
		source = 9999
	}

	title := strings.TrimSpace(r.PostFormValue("title"))
	var search string
	if len(title) > 0 {
		search = "%" + title + "%"
		if strings.HasSuffix(title, ":") {
			search = title[:len(title)-1] + "%"
		}
	}
	arg := &db.ListCustomerConditionParam{
		IsTitle:  len(search) > 0,
		Title:    search,
		Status:   util.ConvertInt16(r.PostFormValue("status"), 9999),
		Category: category,
		Source:   source,
		PageID:   util.ConvertInt32(r.PostFormValue("page"), 1),
		PageSize: util.ConvertInt32(r.PostFormValue("rows"), 10),
	}
	arg.TimeBegin, arg.TimeEnd = util.DefaultStartTimeAndEndTime(r.PostFormValue("timeBegin"), r.PostFormValue("timeEnd"))
	res, total, err := db.Engine.ListCustomerCondition(ctx, arg)
	if err != nil {
		http.Error(w, err.Error(), http.StatusInternalServerError)
		return
	}

	data := tpl.ResponseList{
		Code:    0,
		Message: "ok",
		Count:   total,
		Data:    res,
	}
	tpl.JSON(w, data)
}

func Add(w http.ResponseWriter, r *http.Request) {
	ctx := r.Context()
	cc, _ := categoryservice.GetParentCategorySelectLetter(ctx, know.CustomerCategory)
	ss, _ := categoryservice.GetParentCategorySelectLetter(ctx, know.CustomerSource)
	tpl.HTML(w, r, "customer/edit.tmpl", map[string]any{
		"Item":       &form.CustomerForm{},
		"Statuses":   html.NewSelectControls(global.Statuses, 0),
		"Categories": html.NewSelectStringControls(cc, "0"),
		"Sources":    html.NewSelectStringControls(ss, "0"),
	})
}

func Edit(w http.ResponseWriter, r *http.Request) {
	vars := r.URL.Query()
	id := util.ConvertInt[int64](vars.Get("id"), 0)
	customer := &form.CustomerForm{}
	ctx := r.Context()
	if id > 0 {
		if cus, err := db.Engine.GetCustomer(ctx, id); err == nil {
			customer = customer.ToForm(cus)
			if u, err := db.Engine.GetSysUser(ctx, cus.CreatedBy); err == nil {
				customer.CreatedBy = u.Username
			}
			if u, err := db.Engine.GetSysUser(ctx, cus.UpdatedBy); err == nil {
				customer.UpdatedBy = u.Username
			}
		}
	}
	cc, _ := categoryservice.GetParentCategorySelectLetter(ctx, know.CustomerCategory)
	ss, _ := categoryservice.GetParentCategorySelectLetter(ctx, know.CustomerSource)
	tpl.HTML(w, r, "customer/edit.tmpl", map[string]any{
		"Item":       customer,
		"Statuses":   html.NewSelectControls(global.Statuses, customer.Status),
		"Categories": html.NewSelectStringControls(cc, strconv.Itoa(int(customer.Category))),
		"Sources":    html.NewSelectStringControls(ss, strconv.Itoa(int(customer.Source))),
	})
}

func Save(w http.ResponseWriter, r *http.Request) {
	data := &form.CustomerForm{}
	if err := form.BindForm(r, data); err != nil {
		tpl.JSONERR(w, err.Error())
		return
	}

	ctx := r.Context()
	authUser := auth.AuthUser(ctx)
	if data.ID > 0 {
		arg := &db.UpdateCustomerParams{
			ID: data.ID,
			Name: pgtype.Text{
				String: data.Name,
				Valid:  true,
			},
			Category: pgtype.Int4{
				Int32: data.Category,
				Valid: true,
			},
			Source: pgtype.Int4{
				Int32: data.Source,
				Valid: true,
			},
			Address: pgtype.Text{
				String: data.Address,
				Valid:  true,
			},
			ContactName: pgtype.Text{
				String: data.ContactName,
				Valid:  true,
			},
			ContactPhone: pgtype.Text{
				String: data.ContactPhone,
				Valid:  true,
			},
			Status: pgtype.Int2{
				Int16: data.Status,
				Valid: true,
			},
			UpdatedBy: pgtype.Int4{
				Int32: authUser.ID,
				Valid: true,
			},
		}
		_, err := db.Engine.UpdateCustomer(ctx, arg)
		if err != nil {
			tpl.JSONERR(w, err.Error())
			return
		}
		tpl.JSONOK(w, "更新成功")
	} else {
		arg := &db.CreateCustomerParams{
			ID:           snowflake.GetId(),
			Name:         data.Name,
			Category:     data.Category,
			Source:       data.Source,
			Address:      data.Address,
			ContactName:  data.ContactName,
			ContactPhone: data.ContactPhone,
			CreatedBy:    authUser.ID,
		}
		_, err := db.Engine.CreateCustomer(ctx, arg)
		if err != nil {
			tpl.JSONERR(w, err.Error())
			return
		}
		tpl.JSONOK(w, "添加成功")
	}
}

func XmSelect(w http.ResponseWriter, r *http.Request) {
	all, err := db.Engine.AllCustomers(r.Context())
	if err != nil {
		tpl.JSONERR(w, err.Error())
		return
	}

	var res []*dto.XmSelectStrDto
	for _, v := range all {
		res = append(res, &dto.XmSelectStrDto{
			Name:  v.Name,
			Value: strconv.FormatInt(v.ID, 10),
		})
	}
	tpl.JSON(w, res)
}