//
//  PLJobsView+.swift，主要放置筛选、排序
//  IOS_study
//
//  Created by CC-star on 2025/7/10.
//

import SwiftUI

extension PLJobsView {
   //筛选
   var filterBtn: some View {
      Button {
         showOrderView = false
         showFilterView.toggle()//反转
      } label: {
         HStack(spacing: 3) {
            Text("筛选")
            if vm.filter.totalCount > 0 {
               Text("\(vm.filter.totalCount)").badgeStyle()
            }
            arrowIcon(showFilterView)
         }.tc2().size15()
      }.disabled(vm.isFcJobs)
   }
   
   var plFilterView: some View {
      VStack(spacing: 14) {
         VStack(alignment: .leading) {
            Text("行业").labelStyleOF()
            LazyVGrid(columns: [GridItem(.adaptive(minimum: 80))]) {
               ForEach(kBusinessArr,id: \.self) { business in
                  Button {
                     if vm.filter.business == business {
                        vm.filter.business = nil
                     } else {
                        vm.filter.business = business
                     }
                  } label: {
                     Text(business).frame(maxWidth: .infinity)
                  }.selectBtnStyle(vm.filter.business == business)
               }
            }
         }
         VStack(alignment: .leading) {
            Text("城市").labelStyleOF()
            LazyVGrid(columns: [GridItem(.adaptive(minimum: 70))]) {
               ForEach(kCityArr,id: \.self) { city in
                  Button {
                     if vm.filter.city == city {
                        vm.filter.city = nil
                     } else {
                        vm.filter.city = city
                     }
                  } label: {
                     Text(city).frame(maxWidth: .infinity)
                  }.selectBtnStyle(vm.filter.city == city)
               }
            }
         }
         HStack {
            Button {
               vm.filter = PLFilter()
            } label: {
               Text("清空").appleStyleS()
            }.buttonStyle(.bordered)
            Button {
               showFilterView = false
               getJobsByOF()
            } label: {
               Text("筛选").appleStyleS()
            }.tint(.aTC).buttonStyle(.borderedProminent)
         }.padding(.top, 9)
      }.size14().padding().bg()
   }
   //排序
   var orderBtn: some View {
      Button {
         showFilterView = false
         showOrderView.toggle()//反转
      } label: {
         HStack(spacing: 3) {
            Text(vm.order.rawValue)
            arrowIcon(showOrderView)
         }.tc2().size15()
      }.disabled(vm.isFcJobs)
   }
   //排序视图
   var plOrderView: some View {
      VStack(spacing: 14) {
         ForEach(PLOrder.allCases.indices, id: \.self) { index in
               let order = PLOrder.allCases[index]
               HStack {
                  Text(order.rawValue).foregroundStyle(vm.order == order ? .accent : .aTC)
                  Spacer()
                  if vm.order == order { Image(systemName: "checkmark.circle.fill").accent() }
               }.contentShape(Rectangle())//指定点击区域为整个矩形
               .onTapGesture {
                  vm.order = order
                  showOrderView = false
                  getJobsByOF()
               }
            if order != PLOrder.allCases.last { exDivider() }
            }
      }.size15().padding().bg()
   }

   func getJobsByOF() {//筛选功能
      vm.isOF.toggle()
      if vm.filter == lastPLFilter && vm.order == lastPLOrder { return }//如果与上次筛选\排序的选择一样，则不请求
      lastPLFilter = vm.filter
      lastPLOrder = vm.order
      Task {
         await vm.getJobs(isResFresh: true)//刷新
      }
   }
   
}