import { ArrowLeftOutlined, ArrowRightOutlined } from "@ant-design/icons";
import {
  Button,
  Card,
  Col,
  ConfigProvider,
  Divider,
  Form,
  Grid,
  InputNumber,
  Progress,
  Row,
  Select,
  Slider,
  Space,
} from "antd";
import { useForm } from "antd/es/form/Form";
import useMessage from "antd/es/message/useMessage";
import { useEffect, useRef, useState } from "react";
import { myFetch } from "./utils";

const { useBreakpoint } = Grid;

const Constants = {
  DISTANCE: {
    MIN: 0,
    MAX: 100,
  },
  ACCELERATION: {
    MIN: 0,
    MAX: 100,
  },
  DURATION: {
    MIN: 1,
    MAX: 60,
  },
};

function App() {
  const screens = useBreakpoint();
  const [form] = useForm();
  const [messageApi, messageContextHolder] = useMessage();

  const [distance, setDistance] = useState([20, 50]);
  const [acceleration, setAcceleration] = useState(0);
  const [direction, setDirection] = useState(0);
  const [durationUnit, setDurationUnit] = useState("seconds");

  const remainingTimeRef = useRef(0);
  const [remainingTime, setRemainingTime] = useState(0);
  const [procesStatus, setProcessStatus] = useState("");

  const intervalRef = useRef(null);

  const setRemainingTimeProgress = (time) => {
    remainingTimeRef.current = time;
    setRemainingTime(time);
  };

  const showErrorMessage = () => {
    messageApi.error({
      type: "error",
      content: "Ein Fehler ist aufgetreten",
    });
  };

  useEffect(() => {
    myFetch({
      url: "/status",
      method: "GET",
      showNotification: messageApi,
    })
      .then((response) => {
        console.log(response);

        setRemainingTimeProgress(response.runningUntil);
        setProcessStatus(response.status);
      })
      .catch((error) => {
        console.error(error);
        showErrorMessage();
      });
  }, []);

  useEffect(() => {
    intervalRef.current = setInterval(() => {
      if (remainingTimeRef.current <= 0) {
        clearInterval(intervalRef.current);
        return;
      }

      setRemainingTime((prev) => {
        const newTime = prev - 1000;

        if (newTime <= 0) {
          remainingTimeRef.current = 0;
          clearInterval(intervalRef.current);
        }

        return newTime;
      });
    }, 1000);

    return () => {
      clearInterval(intervalRef.current);
    };
  }, [remainingTimeRef.current]);

  const sendControlRequest = (urlPath) => {
    form
      .validateFields()
      .then((values) => {
        myFetch({
          url: urlPath,
          method: "POST",
          body: {
            distance: distance,
            acceleration: acceleration,
            direction: direction,
            duration: values.duration * (durationUnit === "seconds" ? 1 : 60),
          },
          showNotification: messageApi,
        })
          .then((response) => {
            console.log(response);

            setRemainingTimeProgress(response.runningUntil);
            setProcessStatus(response.status);
          })
          .catch((error) => {
            console.error(error);
            showErrorMessage();
            setProcessStatus("");
            setRemainingTimeProgress(0);
          });
      })
      .catch((err) => console.error(err));
  };

  return (
    <div
      style={{
        display: "flex",
        flexDirection: "column",
        alignItems: "center",
        overflow: "auto",
        marginTop: 60,
        marginBottom: 60,
      }}
    >
      {messageContextHolder}

      <Card
        title="Kamera Slider"
        style={{
          width: "90%",
          maxWidth: 800,
        }}
      >
        <Form
          form={form}
          layout="vertical"
          onFinish={() => sendControlRequest("/start")}
        >
          <Form.Item
            label={`Status${procesStatus !== "" ? `: ${procesStatus}` : ""}`}
          >
            <Progress
              percent={
                100 -
                Math.round((remainingTime / remainingTimeRef.current) * 100)
              }
              type="line"
              status="active"
              strokeColor={{
                from: "#108ee9",
                to: "#87d068",
              }}
            />
          </Form.Item>

          <Divider />

          <Form.Item label="Distanz">
            <Row>
              <Col xs={24} md={4}>
                <InputNumber
                  min={Constants.DISTANCE.MIN}
                  max={Constants.DISTANCE.MAX}
                  value={distance[0]}
                  step={1}
                  onChange={(value) =>
                    setDistance((newDistance) => {
                      const newData = [...newDistance];

                      newData[0] = value;

                      return newData;
                    })
                  }
                />
              </Col>

              <Col xs={24} md={16}>
                <Slider
                  range
                  defaultValue={[20, 50]}
                  marks={{ 0: "0", 100: "100" }}
                  min={Constants.DISTANCE.MIN}
                  max={Constants.DISTANCE.MAX}
                  value={distance}
                  onChange={(values) => setDistance(values)}
                />
              </Col>

              <Col xs={24} md={4}>
                <InputNumber
                  min={Constants.DISTANCE.MIN}
                  max={Constants.DISTANCE.MAX}
                  style={{
                    margin: screens.md ? "0 26px" : "",
                  }}
                  value={distance[1]}
                  step={1}
                  onChange={(value) =>
                    setDistance((newDistance) => {
                      const newData = [...newDistance];

                      newData[1] = value;

                      return newData;
                    })
                  }
                />
              </Col>
            </Row>
          </Form.Item>

          <Form.Item name="duration" label="Dauer" initialValue={5}>
            <InputNumber
              step={1}
              min={Constants.DURATION.MIN}
              max={Constants.DURATION.MAX}
              addonAfter={
                <Select
                  style={{
                    width: 120,
                  }}
                  value={durationUnit}
                  onChange={(value) => setDurationUnit(value)}
                >
                  <Select.Option value="seconds">Sekunden</Select.Option>
                  <Select.Option value="minutes">Minuten</Select.Option>
                </Select>
              }
            />
          </Form.Item>

          <Form.Item label="Beschleunigung">
            <Row>
              <Col xs={24} md={20}>
                <Slider
                  defaultValue={20}
                  marks={{ 0: "0", 100: "100" }}
                  min={Constants.ACCELERATION.MIN}
                  max={Constants.ACCELERATION.MAX}
                  value={acceleration}
                  onChange={(value) => setAcceleration(value)}
                />
              </Col>

              <Col xs={24} md={4}>
                <InputNumber
                  min={Constants.ACCELERATION.MIN}
                  max={Constants.ACCELERATION.MAX}
                  style={{
                    margin: screens.md ? "0 26px" : "",
                  }}
                  value={acceleration}
                  onChange={(value) => setAcceleration(value)}
                />
              </Col>
            </Row>
          </Form.Item>

          <Form.Item label="Richtung">
            <Space>
              <Button
                type={direction === 0 ? "primary" : "default"}
                shape="round"
                icon={<ArrowLeftOutlined />}
                onClick={() => setDirection(0)}
              >
                Links
              </Button>

              <Button
                type={direction === 1 ? "primary" : "default"}
                shape="round"
                icon={<ArrowRightOutlined />}
                iconPosition="end"
                onClick={() => setDirection(1)}
              >
                Rechts
              </Button>
            </Space>
          </Form.Item>

          <Form.Item>
            <Row gutter={[16, 16]}>
              <Col span={12}>
                <Button
                  type="primary"
                  block
                  danger
                  onClick={() => {
                    myFetch({
                      url: "/stop",
                      method: "POST",
                      showNotification: messageApi,
                    })
                      .then((response) => {
                        console.log(response);

                        setRemainingTimeProgress(0);
                        setProcessStatus("Angehalten");
                      })
                      .catch((error) => {
                        console.error(error);
                        showErrorMessage();
                        setProcessStatus("");

                        setRemainingTimeProgress(0);
                      });
                  }}
                >
                  Stop
                </Button>
              </Col>

              <Col span={12}>
                <ConfigProvider
                  theme={{
                    token: {
                      colorPrimary: "#27ae60",
                    },
                  }}
                >
                  <Button type="primary" htmlType="submit" block>
                    Start
                  </Button>
                </ConfigProvider>
              </Col>
            </Row>
          </Form.Item>
        </Form>

        <Divider />

        <Button
          type="primary"
          block
          onClick={() => sendControlRequest("/moveNextPoint")}
        >
          Fahre zum nächsten Punkt
        </Button>
      </Card>
    </div>
  );
}

export default App;