#pragma once
#include "cru/common/Base.hpp"

#include "cru/common/Format.hpp"

#include <fmt/core.h>
#include <cstdint>
#include <limits>
#include <optional>
#include <string>
#include <utility>

namespace cru::platform {
struct Size;

struct Point final {
  constexpr Point() = default;
  constexpr Point(const float x, const float y) : x(x), y(y) {}
  explicit constexpr Point(const Size& size);

  std::u16string ToDebugString() const {
    return fmt::format(u"({}, {})", ToUtf16String(x), ToUtf16String(y));
  }

  constexpr Point& operator+=(const Point& other) {
    this->x += other.x;
    this->y += other.y;
    return *this;
  }

  float x = 0;
  float y = 0;
};

constexpr Point operator+(const Point& left, const Point& right) {
  return Point(left.x + right.x, left.y + right.y);
}

constexpr Point operator-(const Point& left, const Point& right) {
  return Point(left.x - right.x, left.y - right.y);
}

constexpr bool operator==(const Point& left, const Point& right) {
  return left.x == right.x && left.y == right.y;
}

constexpr bool operator!=(const Point& left, const Point& right) {
  return !(left == right);
}

struct Size final {
  constexpr Size() = default;
  constexpr Size(const float width, const float height)
      : width(width), height(height) {}
  explicit constexpr Size(const Point& point)
      : width(point.x), height(point.y) {}

  constexpr static Size Infinate() {
    return Size{std::numeric_limits<float>::max(),
                std::numeric_limits<float>::max()};
  }

  std::u16string ToDebugString() const {
    return fmt::format(u"({}, {})", ToUtf16String(width),
                       ToUtf16String(height));
  }

  float width = 0;
  float height = 0;
};

constexpr Point::Point(const Size& size) : x(size.width), y(size.height) {}

constexpr Size operator+(const Size& left, const Size& right) {
  return Size(left.width + right.width, left.height + right.height);
}

constexpr Size operator-(const Size& left, const Size& right) {
  return Size(left.width - right.width, left.height - right.height);
}

constexpr bool operator==(const Size& left, const Size& right) {
  return left.width == right.width && left.height == right.height;
}

constexpr bool operator!=(const Size& left, const Size& right) {
  return !(left == right);
}

struct Thickness final {
  constexpr Thickness() : Thickness(0) {}

  constexpr explicit Thickness(const float width)
      : left(width), top(width), right(width), bottom(width) {}

  constexpr explicit Thickness(const float horizontal, const float vertical)
      : left(horizontal), top(vertical), right(horizontal), bottom(vertical) {}

  constexpr Thickness(const float left, const float top, const float right,
                      const float bottom)
      : left(left), top(top), right(right), bottom(bottom) {}

  constexpr float GetHorizontalTotal() const { return left + right; }

  constexpr float GetVerticalTotal() const { return top + bottom; }

  void SetLeftRight(const float value) { left = right = value; }

  void SetTopBottom(const float value) { top = bottom = value; }

  void SetAll(const float value) { left = top = right = bottom = value; }

  constexpr float Validate() const {
    return left >= 0.0 && top >= 0.0 && right >= 0.0 && bottom >= 0.0;
  }

  float left;
  float top;
  float right;
  float bottom;
};

constexpr Size operator+(const Size& size, const Thickness& thickness) {
  return {size.width + thickness.left + thickness.right,
          size.height + thickness.top + thickness.bottom};
}

constexpr Size operator+(const Thickness& thickness, const Size& size) {
  return operator+(size, thickness);
}

constexpr bool operator==(const Thickness& left, const Thickness& right) {
  return left.left == right.left && left.top == right.top &&
         left.right == right.right && left.bottom == right.bottom;
}

constexpr bool operator!=(const Thickness& left, const Thickness& right) {
  return !(left == right);
}

struct Rect final {
  constexpr Rect() = default;
  constexpr Rect(const float left, const float top, const float width,
                 const float height)
      : left(left), top(top), width(width), height(height) {}
  constexpr Rect(const Point& lefttop, const Size& size)
      : left(lefttop.x),
        top(lefttop.y),
        width(size.width),
        height(size.height) {}

  constexpr static Rect FromVertices(const float left, const float top,
                                     const float right, const float bottom) {
    return Rect(left, top, right - left, bottom - top);
  }

  constexpr static Rect FromCenter(const Point& center, const float width,
                                   const float height) {
    return Rect(center.x - width / 2.0f, center.y - height / 2.0f, width,
                height);
  }

  constexpr float GetRight() const { return left + width; }

  constexpr float GetBottom() const { return top + height; }

  constexpr Point GetLeftTop() const { return Point(left, top); }

  constexpr Point GetRightBottom() const {
    return Point(left + width, top + height);
  }

  constexpr Point GetLeftBottom() const { return Point(left, top + height); }

  constexpr Point GetRightTop() const { return Point(left + width, top); }

  constexpr Point GetCenter() const {
    return Point(left + width / 2.0f, top + height / 2.0f);
  }

  constexpr Size GetSize() const { return Size(width, height); }

  constexpr Rect Expand(const Thickness& thickness) const {
    return Rect(left - thickness.left, top - thickness.top,
                width + thickness.GetHorizontalTotal(),
                height + thickness.GetVerticalTotal());
  }

  constexpr Rect Shrink(const Thickness& thickness) const {
    return Rect(left + thickness.left, top + thickness.top,
                width - thickness.GetHorizontalTotal(),
                height - thickness.GetVerticalTotal());
  }

  constexpr bool IsPointInside(const Point& point) const {
    return point.x >= left && point.x < GetRight() && point.y >= top &&
           point.y < GetBottom();
  }

  float left = 0.0f;
  float top = 0.0f;
  float width = 0.0f;
  float height = 0.0f;
};

constexpr bool operator==(const Rect& left, const Rect& right) {
  return left.left == right.left && left.top == right.top &&
         left.width == right.width && left.height == right.height;
}

constexpr bool operator!=(const Rect& left, const Rect& right) {
  return !(left == right);
}

struct RoundedRect final {
  constexpr RoundedRect() = default;
  constexpr RoundedRect(const Rect& rect, const float radius_x,
                        const float radius_y)
      : rect(rect), radius_x(radius_x), radius_y(radius_y) {}

  Rect rect{};
  float radius_x = 0.0f;
  float radius_y = 0.0f;
};

constexpr bool operator==(const RoundedRect& left, const RoundedRect& right) {
  return left.rect == right.rect && left.radius_x == right.radius_x &&
         left.radius_y == right.radius_y;
}

constexpr bool operator!=(const RoundedRect& left, const RoundedRect& right) {
  return !(left == right);
}

struct Ellipse final {
  constexpr Ellipse() = default;
  constexpr Ellipse(const Point& center, const float radius_x,
                    const float radius_y)
      : center(center), radius_x(radius_x), radius_y(radius_y) {}

  constexpr static Ellipse FromRect(const Rect& rect) {
    return Ellipse(rect.GetCenter(), rect.width / 2.0f, rect.height / 2.0f);
  }

  constexpr Rect GetBoundRect() const {
    return Rect::FromCenter(center, radius_x * 2.0f, radius_y * 2.0f);
  }

  Point center{};
  float radius_x = 0.0f;
  float radius_y = 0.0f;
};

constexpr bool operator==(const Ellipse& left, const Ellipse& right) {
  return left.center == right.center && left.radius_x == right.radius_x &&
         left.radius_y == right.radius_y;
}

constexpr bool operator!=(const Ellipse& left, const Ellipse& right) {
  return !(left == right);
}

struct TextRange final {
  constexpr static TextRange FromTwoSides(gsl::index start, gsl::index end) {
    return TextRange(start, end - start);
  }

  constexpr static TextRange FromTwoSides(gsl::index start, gsl::index end,
                                          gsl::index offset) {
    return TextRange(start + offset, end - start);
  }

  constexpr TextRange() = default;
  constexpr TextRange(const gsl::index position, const gsl::index count = 0)
      : position(position), count(count) {}

  gsl::index GetStart() const { return position; }
  gsl::index GetEnd() const { return position + count; }

  void AdjustEnd(gsl::index new_end) { count = new_end - position; }

  TextRange Normalize() const {
    auto result = *this;
    if (result.count < 0) {
      result.position += result.count;
      result.count = -result.count;
    }
    return result;
  }

  TextRange CoerceInto(gsl::index min, gsl::index max) const {
    auto coerce = [min, max](gsl::index index) {
      return index > max ? max : (index < min ? min : index);
    };
    return TextRange::FromTwoSides(coerce(GetStart()), coerce(GetEnd()));
  }

  gsl::index position = 0;
  gsl::index count = 0;
};

struct Color {
  constexpr Color() : Color(0, 0, 0, 255) {}
  constexpr Color(std::uint8_t red, std::uint8_t green, std::uint8_t blue,
                  std::uint8_t alpha = 255)
      : red(red), green(green), blue(blue), alpha(alpha) {}

  constexpr static Color FromHex(std::uint32_t hex) {
    const std::uint32_t mask = 0b11111111;
    return Color((hex >> 16) & mask, (hex >> 8) & mask, hex & mask, 255);
  }

  constexpr static Color FromHexAlpha(std::uint32_t hex) {
    const std::uint32_t mask = 0b11111111;
    return Color((hex >> 16) & mask, (hex >> 8) & mask, hex & mask,
                 (hex >> 24) & mask);
  }

  std::uint8_t red;
  std::uint8_t green;
  std::uint8_t blue;
  std::uint8_t alpha;
};

namespace colors {
constexpr Color transparent = Color::FromHexAlpha(0x00000000);
constexpr Color black = Color::FromHex(0x000000);
constexpr Color silver = Color::FromHex(0xc0c0c0);
constexpr Color gray = Color::FromHex(0x808080);
constexpr Color white = Color::FromHex(0xffffff);
constexpr Color maroon = Color::FromHex(0x800000);
constexpr Color red = Color::FromHex(0xff0000);
constexpr Color purple = Color::FromHex(0x800080);
constexpr Color fuchsia = Color::FromHex(0xff00ff);
constexpr Color green = Color::FromHex(0x008000);
constexpr Color lime = Color::FromHex(0x00ff00);
constexpr Color olive = Color::FromHex(0x808000);
constexpr Color yellow = Color::FromHex(0xffff00);
constexpr Color navy = Color::FromHex(0x000080);
constexpr Color blue = Color::FromHex(0x0000ff);
constexpr Color teal = Color::FromHex(0x008080);
constexpr Color aqua = Color::FromHex(0x00ffff);
constexpr Color orange = Color::FromHex(0xffa500);
constexpr Color aliceblue = Color::FromHex(0xf0f8ff);
constexpr Color antiquewhite = Color::FromHex(0xfaebd7);
constexpr Color aquamarine = Color::FromHex(0x7fffd4);
constexpr Color azure = Color::FromHex(0xf0ffff);
constexpr Color beige = Color::FromHex(0xf5f5dc);
constexpr Color bisque = Color::FromHex(0xffe4c4);
constexpr Color blanchedalmond = Color::FromHex(0xffebcd);
constexpr Color blueviolet = Color::FromHex(0x8a2be2);
constexpr Color brown = Color::FromHex(0xa52a2a);
constexpr Color burlywood = Color::FromHex(0xdeb887);
constexpr Color cadetblue = Color::FromHex(0x5f9ea0);
constexpr Color chartreuse = Color::FromHex(0x7fff00);
constexpr Color chocolate = Color::FromHex(0xd2691e);
constexpr Color coral = Color::FromHex(0xff7f50);
constexpr Color cornflowerblue = Color::FromHex(0x6495ed);
constexpr Color cornsilk = Color::FromHex(0xfff8dc);
constexpr Color crimson = Color::FromHex(0xdc143c);
constexpr Color cyan = aqua;
constexpr Color darkblue = Color::FromHex(0x00008b);
constexpr Color darkcyan = Color::FromHex(0x008b8b);
constexpr Color darkgoldenrod = Color::FromHex(0xb8860b);
constexpr Color darkgray = Color::FromHex(0xa9a9a9);
constexpr Color darkgreen = Color::FromHex(0x006400);
constexpr Color darkgrey = Color::FromHex(0xa9a9a9);
constexpr Color darkkhaki = Color::FromHex(0xbdb76b);
constexpr Color darkmagenta = Color::FromHex(0x8b008b);
constexpr Color darkolivegreen = Color::FromHex(0x556b2f);
constexpr Color darkorange = Color::FromHex(0xff8c00);
constexpr Color darkorchid = Color::FromHex(0x9932cc);
constexpr Color darkred = Color::FromHex(0x8b0000);
constexpr Color darksalmon = Color::FromHex(0xe9967a);
constexpr Color darkseagreen = Color::FromHex(0x8fbc8f);
constexpr Color darkslateblue = Color::FromHex(0x483d8b);
constexpr Color darkslategray = Color::FromHex(0x2f4f4f);
constexpr Color darkslategrey = Color::FromHex(0x2f4f4f);
constexpr Color darkturquoise = Color::FromHex(0x00ced1);
constexpr Color darkviolet = Color::FromHex(0x9400d3);
constexpr Color deeppink = Color::FromHex(0xff1493);
constexpr Color deepskyblue = Color::FromHex(0x00bfff);
constexpr Color dimgray = Color::FromHex(0x696969);
constexpr Color dimgrey = Color::FromHex(0x696969);
constexpr Color dodgerblue = Color::FromHex(0x1e90ff);
constexpr Color firebrick = Color::FromHex(0xb22222);
constexpr Color floralwhite = Color::FromHex(0xfffaf0);
constexpr Color forestgreen = Color::FromHex(0x228b22);
constexpr Color gainsboro = Color::FromHex(0xdcdcdc);
constexpr Color ghostwhite = Color::FromHex(0xf8f8ff);
constexpr Color gold = Color::FromHex(0xffd700);
constexpr Color goldenrod = Color::FromHex(0xdaa520);
constexpr Color greenyellow = Color::FromHex(0xadff2f);
constexpr Color grey = Color::FromHex(0x808080);
constexpr Color honeydew = Color::FromHex(0xf0fff0);
constexpr Color hotpink = Color::FromHex(0xff69b4);
constexpr Color indianred = Color::FromHex(0xcd5c5c);
constexpr Color indigo = Color::FromHex(0x4b0082);
constexpr Color ivory = Color::FromHex(0xfffff0);
constexpr Color khaki = Color::FromHex(0xf0e68c);
constexpr Color lavender = Color::FromHex(0xe6e6fa);
constexpr Color lavenderblush = Color::FromHex(0xfff0f5);
constexpr Color lawngreen = Color::FromHex(0x7cfc00);
constexpr Color lemonchiffon = Color::FromHex(0xfffacd);
constexpr Color lightblue = Color::FromHex(0xadd8e6);
constexpr Color lightcoral = Color::FromHex(0xf08080);
constexpr Color lightcyan = Color::FromHex(0xe0ffff);
constexpr Color lightgoldenrodyellow = Color::FromHex(0xfafad2);
constexpr Color lightgray = Color::FromHex(0xd3d3d3);
constexpr Color lightgreen = Color::FromHex(0x90ee90);
constexpr Color lightgrey = Color::FromHex(0xd3d3d3);
constexpr Color lightpink = Color::FromHex(0xffb6c1);
constexpr Color lightsalmon = Color::FromHex(0xffa07a);
constexpr Color lightseagreen = Color::FromHex(0x20b2aa);
constexpr Color lightskyblue = Color::FromHex(0x87cefa);
constexpr Color lightslategray = Color::FromHex(0x778899);
constexpr Color lightslategrey = Color::FromHex(0x778899);
constexpr Color lightsteelblue = Color::FromHex(0xb0c4de);
constexpr Color lightyellow = Color::FromHex(0xffffe0);
constexpr Color limegreen = Color::FromHex(0x32cd32);
constexpr Color linen = Color::FromHex(0xfaf0e6);
constexpr Color magenta = fuchsia;
constexpr Color mediumaquamarine = Color::FromHex(0x66cdaa);
constexpr Color mediumblue = Color::FromHex(0x0000cd);
constexpr Color mediumorchid = Color::FromHex(0xba55d3);
constexpr Color mediumpurple = Color::FromHex(0x9370db);
constexpr Color mediumseagreen = Color::FromHex(0x3cb371);
constexpr Color mediumslateblue = Color::FromHex(0x7b68ee);
constexpr Color mediumspringgreen = Color::FromHex(0x00fa9a);
constexpr Color mediumturquoise = Color::FromHex(0x48d1cc);
constexpr Color mediumvioletred = Color::FromHex(0xc71585);
constexpr Color midnightblue = Color::FromHex(0x191970);
constexpr Color mintcream = Color::FromHex(0xf5fffa);
constexpr Color mistyrose = Color::FromHex(0xffe4e1);
constexpr Color moccasin = Color::FromHex(0xffe4b5);
constexpr Color navajowhite = Color::FromHex(0xffdead);
constexpr Color oldlace = Color::FromHex(0xfdf5e6);
constexpr Color olivedrab = Color::FromHex(0x6b8e23);
constexpr Color orangered = Color::FromHex(0xff4500);
constexpr Color orchid = Color::FromHex(0xda70d6);
constexpr Color palegoldenrod = Color::FromHex(0xeee8aa);
constexpr Color palegreen = Color::FromHex(0x98fb98);
constexpr Color paleturquoise = Color::FromHex(0xafeeee);
constexpr Color palevioletred = Color::FromHex(0xdb7093);
constexpr Color papayawhip = Color::FromHex(0xffefd5);
constexpr Color peachpuff = Color::FromHex(0xffdab9);
constexpr Color peru = Color::FromHex(0xcd853f);
constexpr Color pink = Color::FromHex(0xffc0cb);
constexpr Color plum = Color::FromHex(0xdda0dd);
constexpr Color powderblue = Color::FromHex(0xb0e0e6);
constexpr Color rosybrown = Color::FromHex(0xbc8f8f);
constexpr Color royalblue = Color::FromHex(0x4169e1);
constexpr Color saddlebrown = Color::FromHex(0x8b4513);
constexpr Color salmon = Color::FromHex(0xfa8072);
constexpr Color sandybrown = Color::FromHex(0xf4a460);
constexpr Color seagreen = Color::FromHex(0x2e8b57);
constexpr Color seashell = Color::FromHex(0xfff5ee);
constexpr Color sienna = Color::FromHex(0xa0522d);
constexpr Color skyblue = Color::FromHex(0x87ceeb);
constexpr Color slateblue = Color::FromHex(0x6a5acd);
constexpr Color slategray = Color::FromHex(0x708090);
constexpr Color slategrey = Color::FromHex(0x708090);
constexpr Color snow = Color::FromHex(0xfffafa);
constexpr Color springgreen = Color::FromHex(0x00ff7f);
constexpr Color steelblue = Color::FromHex(0x4682b4);
constexpr Color tan = Color::FromHex(0xd2b48c);
constexpr Color thistle = Color::FromHex(0xd8bfd8);
constexpr Color tomato = Color::FromHex(0xff6347);
constexpr Color turquoise = Color::FromHex(0x40e0d0);
constexpr Color violet = Color::FromHex(0xee82ee);
constexpr Color wheat = Color::FromHex(0xf5deb3);
constexpr Color whitesmoke = Color::FromHex(0xf5f5f5);
constexpr Color yellowgreen = Color::FromHex(0x9acd32);
constexpr Color rebeccapurple = Color::FromHex(0x663399);
}  // namespace colors
}  // namespace cru::platform