import { ConstEnv } from "@/constants/ConstEnv";
import Styles from "@/constants/Styles";
import { apiDeleteFileTask, apiGetTaskOne } from "@/lib/api";
import { setUpdateTask } from "@/lib/taskUpdate";
import { useAuthSession } from "@/providers/AuthProvider";
import { useTheme } from "@/providers/ThemeProvider";
import { Ionicons, MaterialCommunityIcons } from "@expo/vector-icons";
import * as FileSystem from 'expo-file-system';
import { startActivityAsync } from 'expo-intent-launcher';
import { useLocalSearchParams } from "expo-router";
import * as Sharing from 'expo-sharing';
import { useEffect, useState } from "react";
import { Alert, Platform, Pressable, View } from "react-native";
import * as mime from 'react-native-mime-types';
import Toast from "react-native-toast-message";
import { useDispatch, useSelector } from "react-redux";
import DrawerBottom from "../drawerBottom";
import MenuItemRow from "../menuItemRow";
import ModalConfirmation from "../ModalConfirmation";
import ModalLoading from "../modalLoading";
import Skeleton from "../skeleton";
import Text from "../Text";

type Props = {
   id: string
   name: string
   extension: string
   idStorage: string
}

function getFileIcon(extension: string): keyof typeof MaterialCommunityIcons.glyphMap {
   const ext = extension.toLowerCase()
   if (['jpg', 'jpeg', 'png', 'gif', 'webp', 'heic', 'heif'].includes(ext)) return 'image-outline'
   if (ext === 'pdf') return 'file-pdf-box'
   if (['mp4', 'mov', 'avi', 'mkv'].includes(ext)) return 'video-outline'
   if (['doc', 'docx'].includes(ext)) return 'file-word-outline'
   if (['xls', 'xlsx'].includes(ext)) return 'file-excel-outline'
   if (['zip', 'rar', '7z'].includes(ext)) return 'zip-box-outline'
   return 'file-outline'
}

function getFileColor(extension: string): string {
   const ext = extension.toLowerCase()
   if (['jpg', 'jpeg', 'png', 'gif', 'webp', 'heic', 'heif'].includes(ext)) return '#339AF0'
   if (ext === 'pdf') return '#F03E3E'
   if (['mp4', 'mov', 'avi', 'mkv'].includes(ext)) return '#AE3EC9'
   if (['doc', 'docx'].includes(ext)) return '#1C7ED6'
   if (['xls', 'xlsx'].includes(ext)) return '#2F9E44'
   if (['zip', 'rar', '7z'].includes(ext)) return '#E8590C'
   return '#868E96'
}

export default function SectionFileTask({ refreshing, isMemberDivision }: { refreshing: boolean, isMemberDivision: boolean }) {
   const { colors } = useTheme()
   const [isModal, setModal] = useState(false)
   const [isAddLink, setAddLink] = useState(false)
   const [showDeleteModal, setShowDeleteModal] = useState(false)
   const [link, setLink] = useState("")
   const { token, decryptToken } = useAuthSession()
   const { detail } = useLocalSearchParams<{ detail: string }>()
   const [data, setData] = useState<Props[]>([])
   const update = useSelector((state: any) => state.taskUpdate)
   const dispatch = useDispatch()
   const [loading, setLoading] = useState(true)
   const arrSkeleton = Array.from({ length: 5 })
   const [selectFile, setSelectFile] = useState<Props | null>(null)
   const [loadingOpen, setLoadingOpen] = useState(false)
   const entityUser = useSelector((state: any) => state.user);

   async function handleLoad(loading: boolean) {
      try {
         setLoading(loading)
         const hasil = await decryptToken(String(token?.current))
         const response = await apiGetTaskOne({ id: detail, user: hasil, cat: 'file' })
         setData(response.data)
      } catch (error) {
         console.error(error)
      } finally {
         setLoading(false)
      }
   }

   useEffect(() => {
      handleLoad(false)
   }, [update.file])

   useEffect(() => {
      if (refreshing)
         handleLoad(false);
   }, [refreshing]);

   useEffect(() => {
      handleLoad(true)
   }, [])

   const openFile = () => {
      setModal(false)
      setLoadingOpen(true)
      let remoteUrl = ConstEnv.url_storage + '/files/' + selectFile?.idStorage;
      const fileName = selectFile?.name + '.' + selectFile?.extension;
      let localPath = `${FileSystem.documentDirectory}/${fileName}`;
      const mimeType = mime.lookup(fileName)

      FileSystem.downloadAsync(remoteUrl, localPath).then(async ({ uri }) => {
         const contentURL = await FileSystem.getContentUriAsync(uri);
         try {
            if (Platform.OS == 'android') {
               // open with android intent
               await startActivityAsync(
                  'android.intent.action.VIEW',
                  {
                     data: contentURL,
                     flags: 1,
                     type: mimeType as string,
                  }
               );
               // or
               // Sharing.shareAsync(localPath);      

            } else if (Platform.OS == 'ios') {
               Sharing.shareAsync(localPath);
            }
         } catch (error) {
            Alert.alert('INFO', 'Gagal membuka file, tidak ada aplikasi yang dapat membuka file ini');
         } finally {
            setLoadingOpen(false)
         }
      });
   };


   async function handleDelete() {
      try {
         const hasil = await decryptToken(String(token?.current));
         const response = await apiDeleteFileTask({ user: hasil }, String(selectFile?.id));
         if (response.success) {
            Toast.show({ type: 'small', text1: 'Berhasil menghapus file', })
            dispatch(setUpdateTask({ ...update, file: !update.file }))
         } else {
            Toast.show({ type: 'small', text1: response.message, })
         }
      } catch (error: any) {
         console.error(error);
         const message = error?.response?.data?.message || "Gagal menghapus file"

         Toast.show({ type: 'small', text1: message })
      } finally {
         setModal(false)
      }
   }

   return (
      <>
         <ModalLoading isVisible={loadingOpen} setVisible={setLoadingOpen} />
         <View style={[Styles.mb15]}>
            <Text style={[Styles.textDefaultSemiBold, { marginBottom: 5 }]}>File</Text>
            {loading ? (
               <View style={Styles.fileGrid}>
                  {arrSkeleton.map((_, index) => (
                     <Skeleton key={index} width={48} height={68} widthType="percent" borderRadius={10} />
                  ))}
               </View>
            ) : data.length > 0 ? (
               <View style={Styles.fileGrid}>
                  {data.map((item, index) => {
                     const iconName = getFileIcon(item.extension)
                     const iconColor = getFileColor(item.extension)
                     return (
                        <Pressable
                           key={index}
                           onPress={() => { setSelectFile(item); setModal(true) }}
                           style={[Styles.fileCard, { backgroundColor: colors.card, borderColor: colors.icon + '18' }]}
                        >
                           <View style={[Styles.sectionIconBox, { backgroundColor: iconColor + '20' }]}>
                              <MaterialCommunityIcons name={iconName} size={18} color={iconColor} />
                           </View>
                           <View style={Styles.flex1}>
                              <Text style={Styles.textDefault} numberOfLines={1}>{item.name}</Text>
                              <Text style={[Styles.textSmallSemiBold, { color: colors.dimmed }]}>
                                 {item.extension.toUpperCase()}
                              </Text>
                           </View>
                        </Pressable>
                     )
                  })}
               </View>
            ) : (
               <Text style={[Styles.textDefault, { textAlign: 'center', color: colors.dimmed }]}>Tidak ada file</Text>
            )}
         </View>

         <DrawerBottom animation="slide" isVisible={isModal} setVisible={setModal} title="Menu">
            <View style={Styles.rowItemsCenter}>
               <MenuItemRow
                  icon={<MaterialCommunityIcons name="file-eye" color={colors.text} size={25} />}
                  title="Lihat / Share"
                  onPress={() => {
                     openFile()
                  }}
               />
               {
                  (entityUser.role != "user" && entityUser.role != "coadmin") || isMemberDivision
                     ?
                     <MenuItemRow
                        icon={<Ionicons name="trash-outline" color={colors.text} size={25} />}
                        title="Hapus"
                        onPress={() => {
                           setModal(false)
                           setTimeout(() => {
                              setShowDeleteModal(true)
                           }, 600)
                        }}
                     />
                     :
                     <></>
               }

            </View>
         </DrawerBottom>

         <ModalConfirmation
            visible={showDeleteModal}
            title="Konfirmasi"
            message="Apakah Anda yakin ingin menghapus file ini? File yang dihapus tidak dapat dikembalikan"
            onConfirm={() => {
               setShowDeleteModal(false)
               handleDelete()
            }}
            onCancel={() => setShowDeleteModal(false)}
            confirmText="Hapus"
            cancelText="Batal"
         />
      </>
   )
}