import { OscilloscopeConfig } from "../../DOM/Visuals/Oscilloscope";
import { ShapeObject, createConicGradient, createLinearGradient, createRadialGradient, drawBackground, drawBox, drawBall, drawBalloid, drawDonut, drawEquilateral, drawImage, drawPie, drawSmiley, drawStar, drawStroke, drawText, drawTriangular } from "../DOM/Visuals/CanvasVisuals";
import { Editor } from "../../main";


export const loadHydra = (app: Editor) => (): void => {
  app.ensureHydraLoaded()
}

export const w = (app: Editor) => (): number => {
  const canvas: HTMLCanvasElement = app.interface.feedback as HTMLCanvasElement;
  return canvas.clientWidth;
};

export const pulseLocation = (app: Editor) => (): number => {
  return ((app.api.epulse() / app.api.pulsesForBar()) * w(app)()) % w(app)();
};

export const clear = (app: Editor) => (): boolean => {
  const canvas: HTMLCanvasElement = app.interface.feedback as HTMLCanvasElement;
  const ctx = canvas.getContext("2d")!;
  ctx.clearRect(0, 0, canvas.width, canvas.height);
  return true;
};


export const h = (app: Editor) => (): number => {
  const canvas: HTMLCanvasElement = app.interface.feedback as HTMLCanvasElement;
  return canvas.clientHeight;
};

export const hc = (app: Editor) => (): number => {
  return h(app)() / 2;
};

export const wc = (app: Editor) => (): number => {
  return w(app)() / 2;
};

export const background = (app: Editor) => (color: string | number, ...gb: number[]): boolean => {
  drawBackground(app.interface.feedback as HTMLCanvasElement, color, ...gb);
  return true;
};
export const bg = background;

export const linearGradient = (app: Editor) => (x1: number, y1: number, x2: number, y2: number, ...stops: (number | string)[]): CanvasGradient => {
  return createLinearGradient(app.interface.feedback as HTMLCanvasElement, x1, y1, x2, y2, ...stops);
};

export const radialGradient = (app: Editor) => (x1: number, y1: number, r1: number, x2: number, y2: number, r2: number, ...stops: (number | string)[]) => {
  return createRadialGradient(app.interface.feedback as HTMLCanvasElement, x1, y1, r1, x2, y2, r2, ...stops);
};

export const conicGradient = (app: Editor) => (x: number, y: number, angle: number, ...stops: (number | string)[]) => {
  return createConicGradient(app.interface.feedback as HTMLCanvasElement, x, y, angle, ...stops);
};

export const draw = (app: Editor) => (func: Function): boolean => {
  if (typeof func === "string") {
    drawText(app.interface.feedback as HTMLCanvasElement, func, 24, 0, "Arial", wc(app)(), hc(app)(), "white", "none");
  } else {
    const canvas: HTMLCanvasElement = app.interface.feedback as HTMLCanvasElement;
    const ctx = canvas.getContext("2d")!;
    func(ctx);
  }
  return true;
};

// Additional drawing and utility functions in canvas.ts
export const balloid = (app: Editor) => (
  curves: number | ShapeObject = 6,
  radius: number = hc(app)() / 2,
  curve: number = 1.5,
  fillStyle: string = "white",
  secondary: string = "black",
  x: number = wc(app)(),
  y: number = hc(app)(),
): boolean => {
  if (typeof curves === "object") {
    fillStyle = curves.fillStyle || "white";
    x = curves.x || wc(app)();
    y = curves.y || hc(app)();
    curve = curves.curve || 1.5;
    radius = curves.radius || hc(app)() / 2;
    curves = curves.curves || 6;
  }
  drawBalloid(app.interface.feedback as HTMLCanvasElement, curves, radius, curve, fillStyle, secondary, x, y);
  return true;
};

export const equilateral = (app: Editor) => (
  radius: number | ShapeObject = hc(app)() / 3,
  fillStyle: string = "white",
  rotation: number = 0,
  x: number = wc(app)(),
  y: number = hc(app)(),
): boolean => {
  if (typeof radius === "object") {
    fillStyle = radius.fillStyle || "white";
    x = radius.x || wc(app)();
    y = radius.y || hc(app)();
    rotation = radius.rotation || 0;
    radius = radius.radius || hc(app)() / 3;
  }
  drawEquilateral(app.interface.feedback as HTMLCanvasElement, radius, fillStyle, rotation, x, y);
  return true;
};

export const triangular = (app: Editor) => (
  width: number | ShapeObject = hc(app)() / 3,
  height: number = hc(app)() / 3,
  fillStyle: string = "white",
  rotation: number = 0,
  x: number = wc(app)(),
  y: number = hc(app)(),
): boolean => {
  if (typeof width === "object") {
    fillStyle = width.fillStyle || "white";
    x = width.x || wc(app)();
    y = width.y || hc(app)();
    rotation = width.rotation || 0;
    height = width.height || hc(app)() / 3;
    width = width.width || hc(app)() / 3;
  }
  drawTriangular(app.interface.feedback as HTMLCanvasElement, width, height, fillStyle, rotation, x, y);
  return true;
};
export const pointy = triangular;

export const ball = (app: Editor) => (
  radius: number | ShapeObject = hc(app)() / 3,
  fillStyle: string = "white",
  x: number = wc(app)(),
  y: number = hc(app)(),
): boolean => {
  if (typeof radius === "object") {
    fillStyle = radius.fillStyle || "white";
    x = radius.x || wc(app)();
    y = radius.y || hc(app)();
    radius = radius.radius || hc(app)() / 3;
  }
  drawBall(app.interface.feedback as HTMLCanvasElement, radius, fillStyle, x, y);
  return true;
};
export const circle = ball;

export const donut = (app: Editor) => (
  slices: number | ShapeObject = 3,
  eaten: number = 0,
  radius: number = hc(app)() / 3,
  hole: number = hc(app)() / 12,
  fillStyle: string = "white",
  secondary: string = "black",
  stroke: string = "black",
  rotation: number = 0,
  x: number = wc(app)(),
  y: number = hc(app)(),
): boolean => {
  if (typeof slices === "object") {
    fillStyle = slices.fillStyle || "white";
    x = slices.x || wc(app)();
    y = slices.y || hc(app)();
    rotation = slices.rotation || 0;
    radius = slices.radius || hc(app)() / 3;
    eaten = slices.eaten || 0;
    hole = slices.hole || hc(app)() / 12;
    secondary = slices.secondary || "black";
    stroke = slices.stroke || "black";
    slices = slices.slices || 3;
  }
  drawDonut(app.interface.feedback as HTMLCanvasElement, slices, eaten, radius, hole, fillStyle, secondary, stroke, rotation, x, y);
  return true;
};

export const pie = (app: Editor) => (
  slices: number | ShapeObject = 3,
  eaten: number = 0,
  radius: number = hc(app)() / 3,
  fillStyle: string = "white",
  secondary: string = "black",
  stroke: string = "black",
  rotation: number = 0,
  x: number = wc(app)(),
  y: number = hc(app)(),
): boolean => {
  if (typeof slices === "object") {
    fillStyle = slices.fillStyle || "white";
    x = slices.x || wc(app)();
    y = slices.y || hc(app)();
    rotation = slices.rotation || 0;
    radius = slices.radius || hc(app)() / 3;
    secondary = slices.secondary || "black";
    stroke = slices.stroke || "black";
    eaten = slices.eaten || 0;
    slices = slices.slices || 3;
  }
  drawPie(app.interface.feedback as HTMLCanvasElement, slices, eaten, radius, fillStyle, secondary, stroke, rotation, x, y);
  return true;
};

export const star = (app: Editor) => (
  points: number | ShapeObject = 5,
  radius: number = hc(app)() / 3,
  fillStyle: string = "white",
  rotation: number = 0,
  outerRadius: number = radius / 100,
  x: number = wc(app)(),
  y: number = hc(app)(),
): boolean => {
  if (typeof points === "object") {
    radius = points.radius || hc(app)() / 3;
    fillStyle = points.fillStyle || "white";
    x = points.x || wc(app)();
    y = points.y || hc(app)();
    rotation = points.rotation || 0;
    outerRadius = points.outerRadius || radius / 100;
    points = points.points || 5;
  }
  drawStar(app.interface.feedback as HTMLCanvasElement, points, radius, fillStyle, rotation, outerRadius, x, y);
  return true;
};

export const stroke = (app: Editor) => (
  width: number | ShapeObject = 1,
  strokeStyle: string = "white",
  rotation: number = 0,
  x1: number = wc(app)() - wc(app)() / 10,
  y1: number = hc(app)(),
  x2: number = wc(app)() + wc(app)() / 5,
  y2: number = hc(app)(),
): boolean => {
  if (typeof width === "object") {
    strokeStyle = width.strokeStyle || "white";
    x1 = width.x1 || wc(app)() - wc(app)() / 10;
    y1 = width.y1 || hc(app)();
    x2 = width.x2 || wc(app)() + wc(app)() / 5;
    y2 = width.y2 || hc(app)();
    rotation = width.rotation || 0;
    width = width.width || 1;
  }
  drawStroke(app.interface.feedback as HTMLCanvasElement, width, strokeStyle, rotation, x1, y1, x2, y2);
  return true;
};

export const box = (app: Editor) => (
  width: number | ShapeObject = wc(app)() / 4,
  height: number = wc(app)() / 4,
  fillStyle: string = "white",
  rotation: number = 0,
  x: number = wc(app)() - wc(app)() / 8,
  y: number = hc(app)() - hc(app)() / 8,
): boolean => {
  if (typeof width === "object") {
    fillStyle = width.fillStyle || "white";
    x = width.x || wc(app)() - wc(app)() / 4;
    y = width.y || hc(app)() - hc(app)() / 2;
    rotation = width.rotation || 0;
    height = width.height || wc(app)() / 4;
    width = width.width || wc(app)() / 4;
  }
  drawBox(app.interface.feedback as HTMLCanvasElement, width, height, fillStyle, rotation, x, y);
  return true;
};

export const smiley = (app: Editor) => (
  happiness: number | ShapeObject = 0,
  radius: number = hc(app)() / 3,
  eyeSize: number = 3.0,
  fillStyle: string = "yellow",
  rotation: number = 0,
  x: number = wc(app)(),
  y: number = hc(app)(),
): boolean => {
  if (typeof happiness === "object") {
    fillStyle = happiness.fillStyle || "yellow";
    x = happiness.x || wc(app)();
    y = happiness.y || hc(app)();
    rotation = happiness.rotation || 0;
    eyeSize = happiness.eyeSize || 3.0;
    radius = happiness.radius || hc(app)() / 3;
    happiness = happiness.happiness || 0;
  }
  drawSmiley(app.interface.feedback as HTMLCanvasElement, happiness, radius, eyeSize, fillStyle, rotation, x, y);
  return true;
};

export const text = (app: Editor) => (
  text: string | ShapeObject,
  fontSize: number = 24,
  rotation: number = 0,
  font: string = "Arial",
  x: number = wc(app)(),
  y: number = hc(app)(),
  fillStyle: string = "white",
  filter: string = "none",
): boolean => {
  if (typeof text === "object") {
    fillStyle = text.fillStyle || "white";
    x = text.x || wc(app)();
    y = text.y || hc(app)();
    rotation = text.rotation || 0;
    font = text.font || "Arial";
    fontSize = text.fontSize || 24;
    filter = text.filter || "none";
    text = text.text || "";
  }
  drawText(app.interface.feedback as HTMLCanvasElement, text, fontSize, rotation, font, x, y, fillStyle, filter);
  return true;
};

export const image = (app: Editor) => (
  url: string | ShapeObject,
  width: number = wc(app)() / 2,
  height: number = hc(app)() / 2,
  rotation: number = 0,
  x: number = wc(app)(),
  y: number = hc(app)(),
  filter: string = "none",
): boolean => {
  if (typeof url === "object") {
    if (!url.url) return true;
    x = url.x || wc(app)();
    y = url.y || hc(app)();
    rotation = url.rotation || 0;
    width = url.width || 100;
    height = url.height || 100;
    filter = url.filter || "none";
    url = url.url || "";
  }
  drawImage(app.interface.feedback as HTMLCanvasElement, url, width, height, rotation, x, y, filter);
  return true;
};

export const randomChar = () => (length: number = 1, min: number = 0, max: number = 65536): string => {
  return Array.from(
    { length }, () => String.fromCodePoint(Math.floor(Math.random() * (max - min) + min))
  ).join('');
};

export const randomFromRange = () => (min: number, max: number): string => {
  const codePoint = Math.floor(Math.random() * (max - min) + min);
  return String.fromCodePoint(codePoint);
};

export const emoji = () => (n: number = 1): string => {
  return randomChar()(n, 0x1f600, 0x1f64f);
};

export const food = () => (n: number = 1): string => {
  return randomChar()(n, 0x1f32d, 0x1f37f);
};

export const animals = () => (n: number = 1): string => {
  return randomChar()(n, 0x1f400, 0x1f4d3);
};

export const expressions = () => (n: number = 1): string => {
  return randomChar()(n, 0x1f910, 0x1f92f);
};

export const gif = (app: Editor) => (options: any): void => {
  const {
    url,
    posX = 0,
    posY = 0,
    opacity = 1,
    size = "auto",
    center = false,
    rotation = 0,
    filter = 'none',
    duration = 10
  } = options;

  let real_duration = duration * app.clock.pulse_duration * app.clock.ppqn;
  let fadeOutDuration = real_duration * 0.1;
  let visibilityDuration = real_duration - fadeOutDuration;
  const gifElement = document.createElement("img");
  gifElement.src = url;
  gifElement.style.position = "fixed";
  gifElement.style.left = center ? "50%" : `${posX}px`;
  gifElement.style.top = center ? "50%" : `${posY}px`;
  gifElement.style.opacity = `${opacity}`;
  gifElement.style.zIndex = "1000";  // Ensure it's on top, fixed zIndex
  if (size !== "auto") {
    gifElement.style.width = size;
    gifElement.style.height = size;
  }
  const transformRules = [`rotate(${rotation}deg)`];
  if (center) {
    transformRules.unshift("translate(-50%, -50%)");
  }
  gifElement.style.transform = transformRules.join(" ");
  gifElement.style.filter = filter;
  gifElement.style.transition = `opacity ${fadeOutDuration}s ease`;
  document.body.appendChild(gifElement);

  // Start the fade-out at the end of the visibility duration
  setTimeout(() => {
    gifElement.style.opacity = "0";
  }, visibilityDuration * 1000);

  // Remove the GIF from the DOM after the fade-out duration
  setTimeout(() => {
    if (document.body.contains(gifElement)) {
      document.body.removeChild(gifElement);
    }
  }, real_duration * 1000);
};

export const scope = (app: Editor) => (config: OscilloscopeConfig): void => {
  /**
   * Configures the oscilloscope.
   * @param config - The configuration object for the oscilloscope.
   */
  app.osc = {
    ...app.osc,
    ...config,
  };
};