import { useState } from "react";
import { formatMMSS } from "../../utils/time";
import { CharArray } from "../../utils/string";
import { CHAR_HEIGHT, CHAR_WIDTH } from "../Kitty";
import { type InnerKittyProps, useKitty } from "../../context/KittyContext";

export const SpotifyPlayer = (props: {
  title: string;
  artist: string;
  album: string;
  duration: number;
  played: number;
  onTogglePause: (state: boolean) => void;
}) => {
  const kitty = useKitty();

  return (
    <div
      className="grid select-none"
      style={{
        gridTemplateColumns: `${CHAR_WIDTH}px ${CHAR_WIDTH * 8}px 1fr ${CHAR_WIDTH}px`,
        gridTemplateRows: `${CHAR_HEIGHT}px ${CHAR_HEIGHT * 3}px ${CHAR_HEIGHT}px`,
      }}
    >
      {kitty && <InnerSpotifyPlayer {...props} {...kitty} />}
    </div>
  );
};

const InnerSpotifyPlayer = (props: InnerKittyProps<typeof SpotifyPlayer>) => {
  const [paused, setPaused] = useState(false);

  const fillSize = Math.round(
    (props.played / props.duration) * (props.cols - 2),
  );
  const emptySize = props.cols - 2 - fillSize;

  const timeString = `${formatMMSS(props.played)}/${formatMMSS(props.duration)}`;
  const timeStringLeft = Math.round(
    (props.cols - 2) / 2 - timeString.length / 2,
  );

  const fill = new CharArray(" ", fillSize)
    .write(timeStringLeft, timeString)
    .toString();
  const empty = new CharArray(" ", emptySize)
    .write(timeStringLeft - fillSize, timeString)
    .toString();

  const handleTogglePause = () => {
    setPaused(!paused);
    props.onTogglePause(!paused);
  };

  return (
    <>
      {/* title */}
      <span
        className="font-bold text-color5"
        style={{ gridArea: "1 / 2 / 2 / 3" }}
      >
        Playback
      </span>

      {/* border right */}
      <span style={{ gridArea: "1 / 4 / 2 / 5" }}>┐</span>
      <span style={{ gridArea: "2 / 4 / 3 / 4" }}>
        {"│\n".repeat(props.rows - 2)}
      </span>
      <span style={{ gridArea: "3 / 4 / 4 / 5" }}>┘</span>

      {/* borer left */}
      <span style={{ gridArea: "1 / 1 / 2 / 2" }}>┌</span>
      <span style={{ gridArea: "2 / 1 / 3 / 1" }}>
        {"│\n".repeat(props.rows - 2)}
      </span>
      <span style={{ gridArea: "3 / 1 / 4 / 2" }}>└</span>

      {/* border top */}
      <span className="overflow-hidden" style={{ gridArea: "1 / 3 / 2 / 4" }}>
        {"─".repeat(props.cols - 2 - 8)}
      </span>

      {/* border bottom */}
      <span className="overflow-hidden" style={{ gridArea: "3 / 2 / 4 / 4" }}>
        {"─".repeat(props.cols - 2)}
      </span>

      {/* body */}
      <div className="overflow-hidden" style={{ gridArea: "2 / 2 / 3 / 4" }}>
        <span className="font-bold text-color6">
          <span onClick={handleTogglePause}>
            {paused ? "\udb81\udc0a " : "\udb80\udfe4 "}
          </span>
          {props.title} · {props.artist}
        </span>
        <br />
        <span className="text-color3">{props.album}</span>
        <br />
        <div className="relative font-bold">
          <span className="bg-color2 text-color8">{fill}</span>
          <span className="bg-color8 text-color2">{empty}</span>
        </div>
        <br />
      </div>
    </>
  );
};