import {
  View,
  Text,
  TextInput,
  ScrollView,
  ActivityIndicator,
  Modal,
  KeyboardAvoidingView,
  TouchableOpacity,
} from "react-native";
import React, { useState, useEffect, useCallback } from "react";
import { useTailwind } from "tailwind-rn";
import { useSafeAreaInsets } from "react-native-safe-area-context";
import MediaPicker from "../../components/MediaPicker";
import Toast from "react-native-toast-message";
import { multiUpload } from "../../utils/upload";
import baseRequest from "../../utils/baseRequest";
import { generateSignature } from "../../utils/crypto";
import { Image } from "expo-image";
import { Icon } from "@rneui/themed";
import { Button, Switch } from "@rneui/themed";

export default function EditSpacePost({ navigation, route }) {
  const data = route.params.data;

  const tailwind = useTailwind();
  const insets = useSafeAreaInsets();

  const [content, setContent] = useState(data.text);
  const [isSubmitting, setIsSubmitting] = useState(false);

  //付费设置弹窗是否展示
  const [isModalVisible, setIsModalVisible] = useState(false);

  //价格
  const [price, setPrice] = useState((data?.price / 100)?.toString());

  //可预览文案行数
  const [textVisibleRange, setTextVisibleRange] = useState(
    data?.text_visible_range?.toString()
  );

  //可预览图片张数
  const [imageVisibleRange, setImageVisibleRange] = useState(
    data?.media_visible_range?.toString()
  );

  //是否模糊封面
  const [blurCover, setBlurCover] = useState(
    data?.is_blurring_cover === 1 ? true : false
  );

  //是否铁粉免费查看
  const [isFreeForIronfan, setIsFreeForIronfan] = useState(
    data?.is_ironfan_visible === 1 ? true : false
  );

  //保存付费设置
  const handleSavePaymentSetting = () => {
    if (parseFloat(price) === 0) {
      Toast.show({
        type: "error",
        text1: "不可改为免费动态",
        topOffset: 60,
      });
      return;
    }
    if (parseFloat(price) < 0) {
      Toast.show({
        type: "error",
        text1: "请输入正确区间的价格",
        topOffset: 60,
      });
      return;
    }
    if (parseFloat(price) > 0 && parseInt(parseFloat(price) * 100, 10) < 100) {
      Toast.show({
        type: "error",
        text1: "请输入正确区间的价格",
        topOffset: 60,
      });
      return;
    }
    if (parseInt(parseFloat(price) * 100, 10) > 300000) {
      Toast.show({
        type: "error",
        text1: "请输入正确区间的价格",
        topOffset: 60,
      });
      return;
    }
    if (parseInt(textVisibleRange, 10) < 1) {
      Toast.show({
        type: "error",
        text1: "请输入正确区间的可预览文案行数",
        topOffset: 60,
      });
      return;
    }
    if (
      parseInt(imageVisibleRange, 10) < 0 ||
      parseInt(imageVisibleRange, 10) > 3
    ) {
      Toast.show({
        type: "error",
        text1: "请输入正确区间的可预览图片张数",
        topOffset: 60,
      });
      return;
    }
    setIsModalVisible(false);
  };

  //保存新添加的媒体
  const [newMeidaAssets, setNewMediaAssets] = useState([]);
  //展示旧媒体组件
  const [oldMediaAssets, setOldMediaAssets] = useState(
    data.m_type === 1
      ? data.media_component.images
      : data.media_component.videos
  );
  const DisplayOldMedia = useCallback(
    ({ url, index }) => {
      const handleDelete = () => {
        const updatedAssets = [...oldMediaAssets];
        updatedAssets.splice(index, 1);
        setOldMediaAssets(updatedAssets);
      };
      return (
        <View
          style={{
            aspectRatio: 1,
            ...tailwind("w-1/4 p-1"),
          }}
        >
          <Image
            style={tailwind("w-full h-full rounded-lg")}
            source={url}
            contentFit="cover"
            cachePolicy="disk"
          />
          <View style={tailwind("absolute top-2 right-2")}>
            <Icon
              type="ionicon"
              name="close"
              color="white"
              size={18}
              onPress={handleDelete}
              style={tailwind("bg-black rounded-full opacity-70")}
            />
          </View>
        </View>
      );
    },
    [oldMediaAssets]
  );

  //发布更新内容
  const handleSubmit = async () => {
    if (!content) {
      Toast.show({
        type: "error",
        text1: "动态内容不能为空",
        topOffset: 60,
      });
      return;
    }
    if (oldMediaAssets.length === 0 && newMeidaAssets.length === 0) {
      Toast.show({
        type: "error",
        text1: "请选择要上传的图片或视频",
        topOffset: 60,
      });
      return;
    }
    if (
      data.m_type === 1 &&
      oldMediaAssets.length + newMeidaAssets.length > 30
    ) {
      Toast.show({
        type: "error",
        text1: "最多只能上传30张照片哦！",
        topOffset: 60,
      });
      return;
    }
    if (
      data.m_type === 2 &&
      oldMediaAssets.length + newMeidaAssets.length > 1
    ) {
      Toast.show({
        type: "error",
        text1: "最多只能上传1个视频哦！",
        topOffset: 60,
      });
      return;
    }
    if (
      data.c_type === 1 &&
      data.m_type === 1 &&
      oldMediaAssets.length + newMeidaAssets.length <= imageVisibleRange
    ) {
      Toast.show({
        type: "error",
        text1: "预览图片数不得大于等于上传图片数",
        topOffset: 60,
      });
      return;
    }
    //提交数据
    if (isSubmitting) return;
    setIsSubmitting(true);
    const newMediaIds = await multiUpload(newMeidaAssets);
    const oldMediaIds = oldMediaAssets.map((item) => item.id);
    const media = {
      image_ids:
        data.m_type === 1 ? [...oldMediaIds, ...newMediaIds?.image_ids] : [],
      video_ids:
        data.m_type === 2 ? [...oldMediaIds, ...newMediaIds?.video_ids] : [],
    };
    const apiUrl = process.env.EXPO_PUBLIC_API_URL;
    try {
      const base = await baseRequest();
      const body = {
        ...base,
        id: data.id,
        c_type: data.c_type,
        m_type: data.m_type,
        text: content,
        media_component: media,
        text_visible_range: textVisibleRange
          ? parseInt(textVisibleRange, 10)
          : 999,
        media_visible_range: imageVisibleRange
          ? parseInt(imageVisibleRange, 10)
          : 1,
        is_blurring_cover: blurCover ? 1 : 0,
        is_ironfan_visible: isFreeForIronfan ? 1 : 0,
        price: parseFloat(price) ? parseInt(parseFloat(price) * 100, 10) : null,
      };
      const signature = await generateSignature(body);
      const _response = await fetch(
        `${apiUrl}/api/zone_moment/update?signature=${signature}`,
        {
          method: "POST",
          headers: {
            "Content-Type": "application/json",
          },
          body: JSON.stringify(body),
        }
      );
      const _data = await _response.json();
      if (_data.ret === -1) {
        Toast.show({
          type: "error",
          text1: _data.msg,
          topOffset: 60,
        });
        return;
      }
      //提交成功后显示Toast并返回上一页
      Toast.show({
        type: "success",
        text1: "编辑成功",
        topOffset: 60,
      });
      navigation.goBack();
    } catch (error) {
      console.error(error);
    } finally {
      setIsSubmitting(false);
    }
  };

  //发布按钮
  useEffect(() => {
    navigation.setOptions({
      headerRight: () => (
        <Text
          onPress={handleSubmit}
          style={tailwind("text-[#FF669E] text-base font-medium")}
        >
          {isSubmitting ? "" : "发布"}
          {isSubmitting && <ActivityIndicator size="small" color="white" />}
        </Text>
      ),
    });
  }, [isSubmitting, handleSubmit]);

  return (
    <ScrollView
      style={{
        paddingBottom: insets.bottom,
        paddingLeft: insets.left,
        paddingRight: insets.right,
        ...tailwind("flex-1"),
      }}
    >
      <View style={tailwind("p-4")}>
        {data?.status === 3 && (
          <View style={tailwind("mb-4")}>
            <Text style={tailwind("text-base font-medium text-[#F53030] mb-2")}>
              违规详情
            </Text>
            <View style={tailwind("p-4 rounded-2xl bg-[#FFFFFF1A]")}>
              {data.text_audit_opinion && (
                <Text style={tailwind("text-sm font-medium text-white")}>
                  <Text style={tailwind("text-[#F53030]")}>文案违规原因：</Text>
                  {data.text_audit_opinion}
                </Text>
              )}
              {data.image_audit_opinion && (
                <Text style={tailwind("text-sm font-medium text-white")}>
                  <Text style={tailwind("text-[#F53030]")}>
                    图片/视频违规原因：
                  </Text>
                  {data.image_audit_opinion}
                </Text>
              )}
              {data.manually_review_opinion && (
                <Text style={tailwind("text-sm font-medium text-white")}>
                  <Text style={tailwind("text-[#F53030]")}>运营追加：</Text>
                  {data.manually_review_opinion}
                </Text>
              )}
            </View>
          </View>
        )}
        <Text style={tailwind("text-base font-medium text-white")}>
          动态内容
        </Text>
        <TextInput
          placeholder="请遵守平台准则，严禁发布违规内容"
          placeholderTextColor="#FFFFFF80"
          underlineColorAndroid="transparent"
          multiline
          textAlignVertical="top"
          onChangeText={(value) => setContent(value)}
          value={content}
          style={tailwind(
            "h-32 bg-[#FFFFFF1A] text-white rounded-2xl mt-2 mb-4 p-2"
          )}
        />
        <View style={tailwind("flex-row flex-wrap")}>
          {oldMediaAssets.map((item, index) => (
            <DisplayOldMedia key={index} url={item?.urls[0]} index={index} />
          ))}
        </View>
        <MediaPicker
          maxCount={data.m_type === 1 ? 30 : 1}
          type={data.m_type === 1 ? "image" : "video"}
          setAssets={setNewMediaAssets}
        />
        {data.c_type === 1 && (
          <Button
            color="#FF669E"
            radius="999"
            size="md"
            onPress={() => setIsModalVisible(!isModalVisible)}
            titleStyle={tailwind("text-base")}
            containerStyle={tailwind("mt-4 w-28")}
          >
            付费设置
          </Button>
        )}
        {data.m_type === 1 && (
          <Modal
            visible={isModalVisible}
            transparent={true}
            statusBarTranslucent
            animationType="slide"
          >
            <TouchableOpacity
              activeOpacity={1}
              style={{
                paddingBottom: insets.bottom,
                paddingLeft: insets.left,
                paddingRight: insets.right,
                ...tailwind("flex flex-1 bg-[#00000080] px-4"),
              }}
              onPress={handleSavePaymentSetting}
            >
              <KeyboardAvoidingView
                style={tailwind("flex-1")}
                behavior="padding"
              >
                <TouchableOpacity
                  activeOpacity={1}
                  style={{
                    gap: 8,
                    ...tailwind(
                      "flex flex-col mt-auto mb-2 bg-[#17161A] rounded-3xl"
                    ),
                  }}
                >
                  <View
                    style={{
                      gap: 8,
                      ...tailwind("flex flex-col px-6 pt-6 pb-2"),
                    }}
                  >
                    <View style={tailwind("flex flex-row items-center")}>
                      <Text
                        style={tailwind("text-white text-base font-medium")}
                      >
                        价格：¥
                      </Text>
                      <TextInput
                        placeholder="¥1～3000"
                        placeholderTextColor="#FFFFFF80"
                        keyboardType="numeric"
                        underlineColorAndroid="transparent"
                        onChangeText={(value) => setPrice(value)}
                        value={price}
                        style={tailwind(
                          "flex-1 bg-[#FFFFFF1A] text-white rounded-2xl px-4 h-8 mx-2"
                        )}
                      />
                      <Text
                        onPress={() => setPrice("0")}
                        style={tailwind("text-[#FF669E] text-base font-medium")}
                      >
                        免费
                      </Text>
                    </View>
                    {parseFloat(price) > 0 && (
                      <>
                        <View style={tailwind("flex flex-row items-center")}>
                          <Text
                            style={tailwind(
                              "text-white text-base font-medium mr-2"
                            )}
                          >
                            可预览文案：
                          </Text>
                          <Text
                            style={tailwind("text-white text-base font-medium")}
                          >
                            前
                          </Text>
                          <TextInput
                            placeholder="1~10"
                            placeholderTextColor="#FFFFFF80"
                            keyboardType="numeric"
                            underlineColorAndroid="transparent"
                            onChangeText={(value) => setTextVisibleRange(value)}
                            value={textVisibleRange}
                            style={tailwind(
                              "bg-[#FFFFFF1A] text-white rounded-2xl px-4 mx-2 h-8"
                            )}
                          />
                          <Text
                            style={tailwind("text-white text-base font-medium")}
                          >
                            行
                          </Text>
                          <Text
                            onPress={() => setTextVisibleRange("999")}
                            style={tailwind(
                              "text-[#FF669E] text-base font-medium ml-auto"
                            )}
                          >
                            全部可见
                          </Text>
                        </View>
                        <View style={tailwind("flex flex-row items-center")}>
                          <Text
                            style={tailwind(
                              "text-white text-base font-medium mr-2"
                            )}
                          >
                            可预览图片：
                          </Text>
                          <Text
                            style={tailwind("text-white text-base font-medium")}
                          >
                            前
                          </Text>
                          <TextInput
                            placeholder="0~3"
                            placeholderTextColor="#FFFFFF80"
                            keyboardType="numeric"
                            underlineColorAndroid="transparent"
                            onChangeText={(value) =>
                              setImageVisibleRange(value)
                            }
                            value={imageVisibleRange}
                            style={tailwind(
                              "bg-[#FFFFFF1A] text-white rounded-2xl px-4 mx-2 h-8"
                            )}
                          />
                          <Text
                            style={tailwind("text-white text-base font-medium")}
                          >
                            张
                          </Text>
                          <Text
                            onPress={() => setImageVisibleRange("0")}
                            style={tailwind(
                              "text-[#FF669E] text-base font-medium ml-auto"
                            )}
                          >
                            不可预览
                          </Text>
                        </View>
                        <View style={tailwind("flex flex-row items-center")}>
                          <Text
                            style={tailwind(
                              "text-white text-base font-medium mr-2"
                            )}
                          >
                            铁粉免费查看：
                          </Text>
                          <Switch
                            value={isFreeForIronfan}
                            onValueChange={(value) =>
                              setIsFreeForIronfan(value)
                            }
                            thumbColor="#ffffff"
                            trackColor={{ true: "#FF669E", false: "#FFFFFF1A" }}
                          />
                        </View>
                      </>
                    )}
                  </View>
                  <TouchableOpacity
                    onPress={handleSavePaymentSetting}
                    style={{
                      height: 52,
                      ...tailwind(
                        "flex justify-center items-center border-t border-[#FFFFFF14]"
                      ),
                    }}
                  >
                    <Text style={tailwind("text-white text-base font-medium")}>
                      保存
                    </Text>
                  </TouchableOpacity>
                </TouchableOpacity>
              </KeyboardAvoidingView>
            </TouchableOpacity>
            <Toast />
          </Modal>
        )}
        {data.m_type === 2 && (
          <Modal
            visible={isModalVisible}
            transparent={true}
            statusBarTranslucent
            animationType="slide"
          >
            <TouchableOpacity
              activeOpacity={1}
              style={{
                paddingBottom: insets.bottom,
                paddingLeft: insets.left,
                paddingRight: insets.right,
                ...tailwind("flex flex-1 bg-[#00000080] px-4"),
              }}
              onPress={handleSavePaymentSetting}
            >
              <KeyboardAvoidingView
                style={tailwind("flex-1")}
                behavior="padding"
              >
                <TouchableOpacity
                  activeOpacity={1}
                  style={{
                    gap: 8,
                    ...tailwind(
                      "flex flex-col mt-auto mb-2 bg-[#17161A] rounded-3xl"
                    ),
                  }}
                >
                  <View
                    style={{
                      gap: 8,
                      ...tailwind("flex flex-col px-6 pt-6 pb-2"),
                    }}
                  >
                    <View style={tailwind("flex flex-row items-center")}>
                      <Text
                        style={tailwind("text-white text-base font-medium")}
                      >
                        价格：¥
                      </Text>
                      <TextInput
                        placeholder="¥1～3000"
                        placeholderTextColor="#FFFFFF80"
                        keyboardType="numeric"
                        underlineColorAndroid="transparent"
                        onChangeText={(value) => setPrice(value)}
                        value={price}
                        style={tailwind(
                          "flex-1 bg-[#FFFFFF1A] text-white rounded-2xl px-4 h-8 mx-2"
                        )}
                      />
                      <Text
                        onPress={() => setPrice("0")}
                        style={tailwind("text-[#FF669E] text-base font-medium")}
                      >
                        免费
                      </Text>
                    </View>
                    {parseFloat(price) > 0 && (
                      <>
                        <View style={tailwind("flex flex-row items-center")}>
                          <Text
                            style={tailwind(
                              "text-white text-base font-medium mr-2"
                            )}
                          >
                            可预览文案：
                          </Text>
                          <Text
                            style={tailwind("text-white text-base font-medium")}
                          >
                            前
                          </Text>
                          <TextInput
                            placeholder="1~10"
                            placeholderTextColor="#FFFFFF80"
                            keyboardType="numeric"
                            underlineColorAndroid="transparent"
                            onChangeText={(value) => setTextVisibleRange(value)}
                            value={textVisibleRange}
                            style={tailwind(
                              "bg-[#FFFFFF1A] text-white rounded-2xl px-4 mx-2 h-8"
                            )}
                          />
                          <Text
                            style={tailwind("text-white text-base font-medium")}
                          >
                            行
                          </Text>
                          <Text
                            onPress={() => setTextVisibleRange("999")}
                            style={tailwind(
                              "text-[#FF669E] text-base font-medium ml-auto"
                            )}
                          >
                            全部可见
                          </Text>
                        </View>
                        <View style={tailwind("flex flex-row items-center")}>
                          <Text
                            style={tailwind(
                              "text-white text-base font-medium mr-2"
                            )}
                          >
                            封面模糊：
                          </Text>
                          <Switch
                            value={blurCover}
                            onValueChange={(value) => setBlurCover(value)}
                            thumbColor="#ffffff"
                            trackColor={{ true: "#FF669E", false: "#FFFFFF1A" }}
                          />
                        </View>
                        <View style={tailwind("flex flex-row items-center")}>
                          <Text
                            style={tailwind(
                              "text-white text-base font-medium mr-2"
                            )}
                          >
                            铁粉免费查看：
                          </Text>
                          <Switch
                            value={isFreeForIronfan}
                            onValueChange={(value) =>
                              setIsFreeForIronfan(value)
                            }
                            thumbColor="#ffffff"
                            trackColor={{ true: "#FF669E", false: "#FFFFFF1A" }}
                          />
                        </View>
                      </>
                    )}
                  </View>
                  <TouchableOpacity
                    onPress={handleSavePaymentSetting}
                    style={{
                      height: 52,
                      ...tailwind(
                        "flex justify-center items-center border-t border-[#FFFFFF14]"
                      ),
                    }}
                  >
                    <Text style={tailwind("text-white text-base font-medium")}>
                      保存
                    </Text>
                  </TouchableOpacity>
                </TouchableOpacity>
              </KeyboardAvoidingView>
            </TouchableOpacity>
          </Modal>
        )}
      </View>
    </ScrollView>
  );
}