import BorderBottomItem from "@/components/borderBottomItem";
import ButtonBackHeader from "@/components/buttonBackHeader";
import ButtonSaveHeader from "@/components/buttonSaveHeader";
import ButtonSelect from "@/components/buttonSelect";
import DrawerBottom from "@/components/drawerBottom";
import MenuItemRow from "@/components/menuItemRow";
import Styles from "@/constants/Styles";
import { apiAddFileTask, apiCheckFileTask } from "@/lib/api";
import { setUpdateTask } from "@/lib/taskUpdate";
import { useAuthSession } from "@/providers/AuthProvider";
import { Ionicons, MaterialCommunityIcons } from "@expo/vector-icons";
import * as DocumentPicker from "expo-document-picker";
import { router, Stack, useLocalSearchParams } from "expo-router";
import { useState } from "react";
import {
   ActivityIndicator,
   SafeAreaView,
   ScrollView,
   Text,
   ToastAndroid,
   View,
} from "react-native";
import { useDispatch, useSelector } from "react-redux";

export default function TaskDivisionAddFile() {
   const { id, detail } = useLocalSearchParams<{ id: string; detail: string }>();
   const [fileForm, setFileForm] = useState<any[]>([]);
   const [listFile, setListFile] = useState<any[]>([]);
   const [indexDelFile, setIndexDelFile] = useState<number>(0);
   const [isModal, setModal] = useState(false);
   const { token, decryptToken } = useAuthSession();
   const [loadingCheck, setLoadingCheck] = useState(false);
   const dispatch = useDispatch();
   const update = useSelector((state: any) => state.taskUpdate);

   const pickDocumentAsync = async () => {
      let result = await DocumentPicker.getDocumentAsync({
         type: ["*/*"],
         multiple: false,
      });
      if (!result.canceled) {
         if (result.assets?.[0].uri) {
            const check = await handleCheckFile(result.assets?.[0]);
            if (check) {
               setFileForm([...fileForm, result.assets?.[0]]);
               setListFile([...listFile, result.assets?.[0].name]);
            } else {
               ToastAndroid.show("File sudah ada", ToastAndroid.SHORT);
            }
         }
      }
   };

   function deleteFile(index: number) {
      setListFile([...listFile.filter((val, i) => i !== index)]);
      setFileForm([...fileForm.filter((val, i) => i !== index)]);
      setModal(false);
   }

   async function handleCheckFile(val: any) {
      try {
         setLoadingCheck(true);
         const hasil = await decryptToken(String(token?.current));
         const fd = new FormData();

         fd.append("file", {
            uri: val.uri,
            type: "application/octet-stream",
            name: val.name,
         } as any);

         fd.append(
            "data",
            JSON.stringify({
               user: hasil,
            })
         );

         const response = await apiCheckFileTask({ data: fd, id: detail });
         return response.success;
      } catch (error) {
         console.error(error);
         return false;
      } finally {
         setLoadingCheck(false);
      }
   }

   async function handleAddFile() {
      try {
         const hasil = await decryptToken(String(token?.current));
         const fd = new FormData();

         for (let i = 0; i < fileForm.length; i++) {
            fd.append(`file${i}`, {
               uri: fileForm[i].uri,
               type: "application/octet-stream",
               name: fileForm[i].name,
            } as any);
         }

         fd.append(
            "data",
            JSON.stringify({
               user: hasil,
            })
         );

         const response = await apiAddFileTask({ data: fd, id: detail });
         if (response.success) {
            ToastAndroid.show("Berhasil menambahkan file", ToastAndroid.SHORT);
            dispatch(setUpdateTask({ ...update, file: !update.file }));
            router.back();
         } else {
            ToastAndroid.show(response.message, ToastAndroid.SHORT);
         }
      } catch (error) {
         console.error(error);
         ToastAndroid.show("Terjadi kesalahan", ToastAndroid.SHORT);
      }
   }

   return (
      <SafeAreaView>
         <Stack.Screen
            options={{
               headerLeft: () => (
                  <ButtonBackHeader
                     onPress={() => {
                        router.back();
                     }}
                  />
               ),
               headerTitle: "Tambah File",
               headerTitleAlign: "center",
               headerRight: () => (
                  <ButtonSaveHeader
                     category="create"
                     disable={fileForm.length == 0 ? true : false}
                     onPress={() => { handleAddFile() }}
                  />
               ),
            }}
         />
         <ScrollView>
            <View style={[Styles.p15, Styles.mb100]}>
               <ButtonSelect value="Upload File" onPress={pickDocumentAsync} />
               {
                  listFile.length > 0 && (
                     <View style={[Styles.mb15]}>
                        <Text style={[Styles.textDefaultSemiBold, Styles.mv05]}>File</Text>
                        <View style={[Styles.wrapPaper]}>
                           {
                              listFile.map((item, index) => (
                                 <BorderBottomItem
                                    key={index}
                                    borderType="all"
                                    icon={<MaterialCommunityIcons name="file-outline" size={25} color="black" />}
                                    title={item}
                                    titleWeight="normal"
                                    onPress={() => { setIndexDelFile(index); setModal(true) }}
                                 />
                              ))
                           }
                        </View>
                     </View>
                  )
               }
               {
                  loadingCheck && <ActivityIndicator size="small" />
               }
            </View>
         </ScrollView>
         <DrawerBottom animation="slide" isVisible={isModal} setVisible={setModal} title="Menu">
            <View style={Styles.rowItemsCenter}>
               <MenuItemRow
                  icon={<Ionicons name="trash" color="black" size={25} />}
                  title="Hapus"
                  onPress={() => { deleteFile(indexDelFile) }}
               />
            </View>
         </DrawerBottom>
      </SafeAreaView>
   );
}