class RuntimeNodeType {
  const RuntimeNodeType._();

  static const panel = 'panel';
  static const button = 'button';
  static const text = 'text';
  static const circle = 'circle';
  static const rect = 'rect';
  static const line = 'line';
  static const progress = 'progress';
  static const listView = 'listView';
  static const sprite = 'sprite';
  static const image = 'image';
  static const spine = 'spine';
  static const particle = 'particle';

  static const all = {
    panel,
    button,
    text,
    circle,
    rect,
    line,
    progress,
    listView,
    sprite,
    image,
    spine,
    particle,
  };

  static bool isSupported(String value) => all.contains(value);
}

class RuntimeAnchorValue {
  const RuntimeAnchorValue._();

  static const center = 'center';
  static const topLeft = 'topLeft';
  static const topRight = 'topRight';
  static const bottomLeft = 'bottomLeft';
  static const bottomRight = 'bottomRight';

  static const all = {center, topLeft, topRight, bottomLeft, bottomRight};

  static bool isSupported(String value) => all.contains(value);
}

class RuntimeTextAlignValue {
  const RuntimeTextAlignValue._();

  static const left = 'left';
  static const center = 'center';
  static const right = 'right';

  static const all = {left, center, right};

  static bool isSupported(String value) => all.contains(value);
}

class RuntimeParticlePresetValue {
  const RuntimeParticlePresetValue._();

  static const burst = 'burst';
  static const trail = 'trail';
  static const snow = 'snow';
  static const confetti = 'confetti';

  static const all = {burst, trail, snow, confetti};

  static bool isSupported(String value) => all.contains(value);
}

class RuntimeEventType {
  const RuntimeEventType._();

  static const tap = 'tap';
  static const animationDone = 'animation_done';
  static const resize = 'resize';
  static const scroll = 'scroll';
}

class RuntimeCommandType {
  const RuntimeCommandType._();

  static const movePath = 'move_path';
  static const moveTo = 'move_to';
  static const fadeTo = 'fade_to';
  static const scaleTo = 'scale_to';
  static const rotateTo = 'rotate_to';
  static const removeNode = 'remove_node';
  static const sequence = 'sequence';
  static const parallel = 'parallel';
  static const delay = 'delay';
  static const toast = 'toast';
  static const playSound = 'play_sound';
  static const playBgm = 'play_bgm';
  static const pauseBgm = 'pause_bgm';
  static const resumeBgm = 'resume_bgm';
  static const stopBgm = 'stop_bgm';
  static const preloadResources = 'preload_resources';
  static const evictResources = 'evict_resources';
  static const cancelCommands = 'cancel_commands';
  static const playSpineAnimation = 'play_spine_animation';
  static const copyText = 'copy_text';

  static const all = {
    movePath,
    moveTo,
    fadeTo,
    scaleTo,
    rotateTo,
    removeNode,
    sequence,
    parallel,
    delay,
    toast,
    playSound,
    playBgm,
    pauseBgm,
    resumeBgm,
    stopBgm,
    preloadResources,
    evictResources,
    cancelCommands,
    playSpineAnimation,
    copyText,
  };

  static bool isSupported(String value) => all.contains(value);
}

class RuntimeProtocolField {
  const RuntimeProtocolField._();

  static const id = 'id';
  static const type = 'type';
  static const target = 'target';
  static const parent = 'parent';
  static const asset = 'asset';
  static const sourceX = 'sourceX';
  static const sourceY = 'sourceY';
  static const sourceWidth = 'sourceWidth';
  static const sourceHeight = 'sourceHeight';
  static const sliceLeft = 'sliceLeft';
  static const sliceTop = 'sliceTop';
  static const sliceRight = 'sliceRight';
  static const sliceBottom = 'sliceBottom';
  static const pressedAsset = 'pressedAsset';
  static const disabledAsset = 'disabledAsset';
  static const animation = 'animation';
  static const skin = 'skin';
  static const loop = 'loop';
  static const text = 'text';
  static const x = 'x';
  static const y = 'y';
  static const width = 'width';
  static const height = 'height';
  static const paddingLeft = 'paddingLeft';
  static const paddingTop = 'paddingTop';
  static const paddingRight = 'paddingRight';
  static const paddingBottom = 'paddingBottom';
  static const anchor = 'anchor';
  static const layer = 'layer';
  static const visible = 'visible';
  static const alpha = 'alpha';
  static const scale = 'scale';
  static const rotation = 'rotation';
  static const color = 'color';
  static const fontSize = 'fontSize';
  static const textAlign = 'textAlign';
  static const textShadowColor = 'textShadowColor';
  static const textShadowOffsetX = 'textShadowOffsetX';
  static const textShadowOffsetY = 'textShadowOffsetY';
  static const textShadowBlur = 'textShadowBlur';
  static const radius = 'radius';
  static const strokeWidth = 'strokeWidth';
  static const value = 'value';
  static const scrollX = 'scrollX';
  static const scrollY = 'scrollY';
  static const contentWidth = 'contentWidth';
  static const contentHeight = 'contentHeight';
  static const virtualized = 'virtualized';
  static const cacheExtent = 'cacheExtent';
  static const inertia = 'inertia';
  static const scrollbarThumbColor = 'scrollbarThumbColor';
  static const scrollbarTrackColor = 'scrollbarTrackColor';
  static const scrollbarThickness = 'scrollbarThickness';
  static const scrollbarVisible = 'scrollbarVisible';
  static const interactive = 'interactive';
  static const onTap = 'onTap';
  static const onScroll = 'onScroll';
  static const props = 'props';
  static const creates = 'creates';
  static const updates = 'updates';
  static const removes = 'removes';
  static const render = 'render';
  static const ui = 'ui';
  static const commands = 'commands';
  static const path = 'path';
  static const duration = 'duration';
  static const angle = 'angle';
  static const message = 'message';
  static const name = 'name';
  static const volume = 'volume';
  static const channel = 'channel';
  static const group = 'group';
  static const commandGroup = 'commandGroup';
  static const scope = 'scope';
  static const onComplete = 'onComplete';
  static const failOnError = 'failOnError';
  static const track = 'track';
  static const queue = 'queue';
  static const delay = 'delay';
  static const preset = 'preset';
  static const count = 'count';
  static const speedMin = 'speedMin';
  static const speedMax = 'speedMax';
  static const gravityX = 'gravityX';
  static const gravityY = 'gravityY';
  static const spread = 'spread';
  static const colorTo = 'colorTo';
  static const radiusTo = 'radiusTo';
  static const autoRemove = 'autoRemove';
  static const fadeOut = 'fadeOut';
}

class RuntimeProtocolSchema {
  const RuntimeProtocolSchema._();

  static const nodeFields = {
    RuntimeProtocolField.id,
    RuntimeProtocolField.type,
    RuntimeProtocolField.parent,
    RuntimeProtocolField.asset,
    RuntimeProtocolField.sourceX,
    RuntimeProtocolField.sourceY,
    RuntimeProtocolField.sourceWidth,
    RuntimeProtocolField.sourceHeight,
    RuntimeProtocolField.sliceLeft,
    RuntimeProtocolField.sliceTop,
    RuntimeProtocolField.sliceRight,
    RuntimeProtocolField.sliceBottom,
    RuntimeProtocolField.pressedAsset,
    RuntimeProtocolField.disabledAsset,
    RuntimeProtocolField.animation,
    RuntimeProtocolField.skin,
    RuntimeProtocolField.loop,
    RuntimeProtocolField.text,
    RuntimeProtocolField.x,
    RuntimeProtocolField.y,
    RuntimeProtocolField.width,
    RuntimeProtocolField.height,
    RuntimeProtocolField.paddingLeft,
    RuntimeProtocolField.paddingTop,
    RuntimeProtocolField.paddingRight,
    RuntimeProtocolField.paddingBottom,
    RuntimeProtocolField.anchor,
    RuntimeProtocolField.layer,
    RuntimeProtocolField.visible,
    RuntimeProtocolField.alpha,
    RuntimeProtocolField.scale,
    RuntimeProtocolField.rotation,
    RuntimeProtocolField.color,
    RuntimeProtocolField.fontSize,
    RuntimeProtocolField.textAlign,
    RuntimeProtocolField.textShadowColor,
    RuntimeProtocolField.textShadowOffsetX,
    RuntimeProtocolField.textShadowOffsetY,
    RuntimeProtocolField.textShadowBlur,
    RuntimeProtocolField.radius,
    RuntimeProtocolField.strokeWidth,
    RuntimeProtocolField.value,
    RuntimeProtocolField.scrollX,
    RuntimeProtocolField.scrollY,
    RuntimeProtocolField.contentWidth,
    RuntimeProtocolField.contentHeight,
    RuntimeProtocolField.virtualized,
    RuntimeProtocolField.cacheExtent,
    RuntimeProtocolField.inertia,
    RuntimeProtocolField.scrollbarThumbColor,
    RuntimeProtocolField.scrollbarTrackColor,
    RuntimeProtocolField.scrollbarThickness,
    RuntimeProtocolField.scrollbarVisible,
    RuntimeProtocolField.interactive,
    RuntimeProtocolField.onTap,
    RuntimeProtocolField.onScroll,
    RuntimeProtocolField.preset,
    RuntimeProtocolField.count,
    RuntimeProtocolField.duration,
    RuntimeProtocolField.speedMin,
    RuntimeProtocolField.speedMax,
    RuntimeProtocolField.gravityX,
    RuntimeProtocolField.gravityY,
    RuntimeProtocolField.spread,
    RuntimeProtocolField.colorTo,
    RuntimeProtocolField.radiusTo,
    RuntimeProtocolField.autoRemove,
    RuntimeProtocolField.fadeOut,
  };

  static const nodeUpdateFields = {
    RuntimeProtocolField.id,
    RuntimeProtocolField.props,
  };

  static const nodeRemoveFields = {RuntimeProtocolField.id};

  static const nodePropsFields = {
    RuntimeProtocolField.type,
    RuntimeProtocolField.parent,
    RuntimeProtocolField.asset,
    RuntimeProtocolField.sourceX,
    RuntimeProtocolField.sourceY,
    RuntimeProtocolField.sourceWidth,
    RuntimeProtocolField.sourceHeight,
    RuntimeProtocolField.sliceLeft,
    RuntimeProtocolField.sliceTop,
    RuntimeProtocolField.sliceRight,
    RuntimeProtocolField.sliceBottom,
    RuntimeProtocolField.pressedAsset,
    RuntimeProtocolField.disabledAsset,
    RuntimeProtocolField.animation,
    RuntimeProtocolField.skin,
    RuntimeProtocolField.loop,
    RuntimeProtocolField.text,
    RuntimeProtocolField.x,
    RuntimeProtocolField.y,
    RuntimeProtocolField.width,
    RuntimeProtocolField.height,
    RuntimeProtocolField.paddingLeft,
    RuntimeProtocolField.paddingTop,
    RuntimeProtocolField.paddingRight,
    RuntimeProtocolField.paddingBottom,
    RuntimeProtocolField.anchor,
    RuntimeProtocolField.layer,
    RuntimeProtocolField.visible,
    RuntimeProtocolField.alpha,
    RuntimeProtocolField.scale,
    RuntimeProtocolField.rotation,
    RuntimeProtocolField.color,
    RuntimeProtocolField.fontSize,
    RuntimeProtocolField.textAlign,
    RuntimeProtocolField.textShadowColor,
    RuntimeProtocolField.textShadowOffsetX,
    RuntimeProtocolField.textShadowOffsetY,
    RuntimeProtocolField.textShadowBlur,
    RuntimeProtocolField.radius,
    RuntimeProtocolField.strokeWidth,
    RuntimeProtocolField.value,
    RuntimeProtocolField.scrollX,
    RuntimeProtocolField.scrollY,
    RuntimeProtocolField.contentWidth,
    RuntimeProtocolField.contentHeight,
    RuntimeProtocolField.virtualized,
    RuntimeProtocolField.cacheExtent,
    RuntimeProtocolField.inertia,
    RuntimeProtocolField.scrollbarThumbColor,
    RuntimeProtocolField.scrollbarTrackColor,
    RuntimeProtocolField.scrollbarThickness,
    RuntimeProtocolField.scrollbarVisible,
    RuntimeProtocolField.interactive,
    RuntimeProtocolField.onTap,
    RuntimeProtocolField.onScroll,
    RuntimeProtocolField.preset,
    RuntimeProtocolField.count,
    RuntimeProtocolField.duration,
    RuntimeProtocolField.speedMin,
    RuntimeProtocolField.speedMax,
    RuntimeProtocolField.gravityX,
    RuntimeProtocolField.gravityY,
    RuntimeProtocolField.spread,
    RuntimeProtocolField.colorTo,
    RuntimeProtocolField.radiusTo,
    RuntimeProtocolField.autoRemove,
    RuntimeProtocolField.fadeOut,
  };

  static const nodeDiffFields = {
    RuntimeProtocolField.creates,
    RuntimeProtocolField.updates,
    RuntimeProtocolField.removes,
  };

  static const gameDiffFields = {
    RuntimeProtocolField.render,
    RuntimeProtocolField.ui,
    RuntimeProtocolField.commands,
  };

  static const commandEnvelopeFields = {
    RuntimeProtocolField.type,
    RuntimeProtocolField.target,
  };

  static const commandCommonPayloadFields = {
    RuntimeProtocolField.id,
    RuntimeProtocolField.group,
    RuntimeProtocolField.commandGroup,
    RuntimeProtocolField.scope,
    RuntimeProtocolField.onComplete,
  };

  static const commandPayloadFieldsByType = {
    RuntimeCommandType.movePath: {
      ...commandCommonPayloadFields,
      RuntimeProtocolField.path,
      RuntimeProtocolField.duration,
    },
    RuntimeCommandType.moveTo: {
      ...commandCommonPayloadFields,
      RuntimeProtocolField.x,
      RuntimeProtocolField.y,
      RuntimeProtocolField.duration,
    },
    RuntimeCommandType.fadeTo: {
      ...commandCommonPayloadFields,
      RuntimeProtocolField.alpha,
      RuntimeProtocolField.duration,
    },
    RuntimeCommandType.scaleTo: {
      ...commandCommonPayloadFields,
      RuntimeProtocolField.scale,
      RuntimeProtocolField.duration,
    },
    RuntimeCommandType.rotateTo: {
      ...commandCommonPayloadFields,
      RuntimeProtocolField.angle,
      RuntimeProtocolField.duration,
    },
    RuntimeCommandType.removeNode: commandCommonPayloadFields,
    RuntimeCommandType.sequence: {
      ...commandCommonPayloadFields,
      RuntimeProtocolField.commands,
    },
    RuntimeCommandType.parallel: {
      ...commandCommonPayloadFields,
      RuntimeProtocolField.commands,
    },
    RuntimeCommandType.delay: {
      ...commandCommonPayloadFields,
      RuntimeProtocolField.duration,
    },
    RuntimeCommandType.toast: {
      ...commandCommonPayloadFields,
      RuntimeProtocolField.text,
      RuntimeProtocolField.message,
      RuntimeProtocolField.duration,
    },
    RuntimeCommandType.playSound: {
      ...commandCommonPayloadFields,
      RuntimeProtocolField.asset,
      RuntimeProtocolField.name,
      RuntimeProtocolField.volume,
    },
    RuntimeCommandType.playBgm: {
      ...commandCommonPayloadFields,
      RuntimeProtocolField.asset,
      RuntimeProtocolField.name,
      RuntimeProtocolField.volume,
      RuntimeProtocolField.channel,
      RuntimeProtocolField.loop,
    },
    RuntimeCommandType.pauseBgm: {
      ...commandCommonPayloadFields,
      RuntimeProtocolField.channel,
    },
    RuntimeCommandType.resumeBgm: {
      ...commandCommonPayloadFields,
      RuntimeProtocolField.channel,
    },
    RuntimeCommandType.stopBgm: {
      ...commandCommonPayloadFields,
      RuntimeProtocolField.channel,
    },
    RuntimeCommandType.preloadResources: {
      ...commandCommonPayloadFields,
      RuntimeProtocolField.failOnError,
    },
    RuntimeCommandType.evictResources: commandCommonPayloadFields,
    RuntimeCommandType.cancelCommands: commandCommonPayloadFields,
    RuntimeCommandType.playSpineAnimation: {
      ...commandCommonPayloadFields,
      RuntimeProtocolField.animation,
      RuntimeProtocolField.track,
      RuntimeProtocolField.loop,
      RuntimeProtocolField.queue,
      RuntimeProtocolField.delay,
    },
    RuntimeCommandType.copyText: {
      ...commandCommonPayloadFields,
      RuntimeProtocolField.text,
    },
  };

  static void ensureKnownKeys(
    Map<Object?, Object?> map, {
    required Set<String> allowed,
    required String context,
  }) {
    for (final key in map.keys) {
      if (key is! String) {
        throw FormatException('$context field key must be a string: $key');
      }
      if (!allowed.contains(key)) {
        throw FormatException('$context has unsupported field: $key');
      }
    }
  }

  static Set<String> allowedCommandFields(String commandType) {
    final payloadFields = commandPayloadFieldsByType[commandType];
    if (payloadFields == null) {
      throw UnsupportedError('Unsupported runtime command: $commandType');
    }
    return {...commandEnvelopeFields, ...payloadFields};
  }

  static Set<String> allowedCommandPayloadFields(String commandType) {
    final payloadFields = commandPayloadFieldsByType[commandType];
    if (payloadFields == null) {
      throw UnsupportedError('Unsupported runtime command: $commandType');
    }
    return payloadFields;
  }
}