import React, { FC, useState } from "react";
import ReactDOM from "react-dom";
import { SquiggleChart } from "./SquiggleChart";
import CodeEditor from "./CodeEditor";
import { Form, Input, Card, Row, Col } from "antd";
import "antd/dist/antd.css";

interface FieldFloatProps {
  label: string;
  className?: string;
  value: number;
  onChange: (value: number) => void;
}

function FieldFloat(Props: FieldFloatProps) {
  let [contents, setContents] = useState(Props.value + "");
  return (
    <Form.Item label={Props.label}>
      <Input
        value={contents}
        className={Props.className ? Props.className : ""}
        onChange={(e) => setContents(e.target.value)}
        onBlur={(_) => {
          let result = parseFloat(contents);
          if (result != NaN) {
            Props.onChange(result);
          }
        }}
      />
    </Form.Item>
  );
}

interface Props {
  initialSquiggleString: string;
}

let SquigglePlayground: FC<Props> = (props) => {
  let [squiggleString, setSquiggleString] = useState(
    props.initialSquiggleString
  );
  let [sampleCount, setSampleCount] = useState(1000);
  let [outputXYPoints, setOutputXYPoints] = useState(1000);
  let [pointDistLength, setPointDistLength] = useState(1000);
  let [diagramStart, setDiagramStart] = useState(0);
  let [diagramStop, setDiagramStop] = useState(10);
  let [diagramCount, setDiagramCount] = useState(20);
  var demoDist = (
    <SquiggleChart
      squiggleString={squiggleString}
      sampleCount={sampleCount}
      outputXYPoints={outputXYPoints}
      diagramStart={diagramStart}
      diagramStop={diagramStop}
      diagramCount={diagramCount}
      pointDistLength={pointDistLength}
    />
  );
  return (
    <Row>
      <Col span={12}>
        <Card title="Distribution Form">
          <Form>
            <Row gutter={16}>
              <Col span={24}>
                <CodeEditor
                  value={squiggleString}
                  onChange={setSquiggleString}
                  oneLine={false}
                />{" "}
              </Col>
            </Row>
            <Row gutter={16}>
              <Col span={12}>
                <FieldFloat
                  value={sampleCount}
                  label="Sample Count"
                  onChange={setSampleCount}
                />{" "}
              </Col>
              <Col span={12}>
                <FieldFloat
                  value={outputXYPoints}
                  onChange={setOutputXYPoints}
                  label="Output XY-points"
                />
              </Col>
              <Col span={12}>
                <FieldFloat
                  value={pointDistLength}
                  onChange={setPointDistLength}
                  label="Downsample To"
                />
              </Col>
              <Col span={12}>
                <FieldFloat
                  value={diagramStart}
                  onChange={setDiagramStart}
                  label="Diagram Start"
                />
              </Col>
              <Col span={12}>
                <FieldFloat
                  value={diagramStop}
                  onChange={setDiagramStop}
                  label="Diagram Stop"
                />{" "}
              </Col>
              <Col span={12}>
                <FieldFloat
                  value={diagramCount}
                  onChange={setDiagramCount}
                  label="Diagram Count"
                />
              </Col>
            </Row>
          </Form>
        </Card>
      </Col>
      <Col span={12}>{demoDist}</Col>
    </Row>
  );
};
export default SquigglePlayground;
export function renderSquigglePlayground(props: Props) {
  let parent = document.createElement("div");
  ReactDOM.render(<SquigglePlayground {...props} />, parent);
  return parent;
}