export const availableToolIds = ["select", "brush", "eraser", "feather", "magicWand", "semanticSelect", "maskLasso", "maskRectangle", "pan"] as const;

export const availableOperationIds = ["generate", "chromaKey"] as const;

export type ToolId = (typeof availableToolIds)[number];
export type OperationId = (typeof availableOperationIds)[number];

export type InteractionMode =
  | { type: "tool"; tool: ToolId }
  | { type: "temporary-pan"; previousTool: ToolId };

export type BrushSettings = {
  color: string;
  size: number;
  hardness: number;
  opacity: number;
  flow: number;
  smoothing: number;
  pressureSize: boolean;
};

export type FeatherSettings = {
  size: number;
  radius: number;
  strength: number;
  smoothing: number;
  pressureSize: boolean;
};

export type ChromaKeySettings = {
  color: string;
  tolerance: number;
  softness: number;
  feather: number;
  choke: number;
  despeckle: number;
  spill: number;
};

export type MagicWandMode = "replace" | "add" | "subtract";

export type GenerateMode = "text-to-image" | "image-to-image" | "inpaint" | "outpaint";
export type GenerateIntent = "create" | "replace" | "remove" | "extend" | "variations";

export const generateArchitectures = ["sdxl", "z-image", "z-image-turbo", "anima"] as const;
export type GenerateArchitecture = (typeof generateArchitectures)[number];

export type GenerateModel = string;
export type InpaintMaskedContent = "neutral" | "original" | "originalColor" | "edges";
export type InpaintProfile = "remove" | "replace" | "repair" | "material" | "reshape" | "custom";
export type InpaintStructureControl = "none" | "canny" | "depth" | "pose";

export type GenerateSettings = {
  architecture: GenerateArchitecture;
  mode: GenerateMode;
  model: GenerateModel;
  textEncoder: string;
  vae: string;
  prompt: string;
  negativePrompt: string;
  strength: number;
  steps: number;
  cfg: number;
  seed: number;
  sampler: string;
  scheduler: string;
  width: number;
  height: number;
  batchSize: number;
  refinePass: boolean;
  refineStrength: number;
  outpaint: {
    left: number;
    top: number;
    right: number;
    bottom: number;
    feathering: number;
  };
  inpaint: {
    profile: InpaintProfile;
    maskedAreaOnly: boolean;
    cropPadding: number;
    maskPolarity: "hidden" | "revealed";
    maskedContent: InpaintMaskedContent;
    growMaskBy: number;
    maskExpand: number;
    maskFeather: number;
    maskBlur: number;
    maskDespeckle: number;
    structureControl: InpaintStructureControl;
    controlStrength: number;
    controlModel: string;
    colorMatch: boolean;
  };
};

export const generateArchitectureDefaults: Record<GenerateArchitecture, {
  model: GenerateModel;
  textEncoder: string;
  vae: string;
  steps: number;
  cfg: number;
  sampler: string;
  scheduler: string;
  supportedModes: readonly GenerateMode[];
}> = {
  sdxl: { model: "auto", textEncoder: "auto", vae: "auto", steps: 30, cfg: 7, sampler: "euler", scheduler: "normal", supportedModes: ["text-to-image", "image-to-image", "inpaint", "outpaint"] },
  "z-image": { model: "auto", textEncoder: "qwen_3_4b.safetensors", vae: "ae.safetensors", steps: 30, cfg: 4, sampler: "res_multistep", scheduler: "simple", supportedModes: ["text-to-image"] },
  "z-image-turbo": { model: "auto", textEncoder: "qwen_3_4b.safetensors", vae: "ae.safetensors", steps: 8, cfg: 1, sampler: "res_multistep", scheduler: "simple", supportedModes: ["text-to-image"] },
  anima: { model: "auto", textEncoder: "qwen_3_06b_base.safetensors", vae: "qwen_image_vae.safetensors", steps: 30, cfg: 4, sampler: "er_sde", scheduler: "simple", supportedModes: ["text-to-image"] },
};

export type MagicWandSettings = {
  tolerance: number;
  feather: number;
  choke: number;
  despeckle: number;
  contiguous: boolean;
  mode: MagicWandMode;
};

export type ToolState = {
  activeTool: ToolId;
  interactionMode: InteractionMode;
  brush: BrushSettings;
  feather: FeatherSettings;
  chromaKey: ChromaKeySettings;
  magicWand: MagicWandSettings;
  generate: GenerateSettings;
};

export const initialToolState: ToolState = {
  activeTool: "select",
  interactionMode: { type: "tool", tool: "select" },
  brush: { color: "#111827", size: 8, hardness: 100, opacity: 100, flow: 100, smoothing: 20, pressureSize: true },
  feather: { size: 96, radius: 16, strength: 65, smoothing: 25, pressureSize: true },
  chromaKey: { color: "#00ff00", tolerance: 32, softness: 24, feather: 0, choke: 0, despeckle: 0, spill: 50 },
  magicWand: { tolerance: 32, feather: 0, choke: 0, despeckle: 0, contiguous: true, mode: "replace" },
  generate: {
    architecture: "sdxl",
    mode: "text-to-image",
    model: "auto",
    textEncoder: "auto",
    vae: "auto",
    prompt: "",
    negativePrompt: "",
    strength: 75,
    steps: 30,
    cfg: 7,
    seed: -1,
    sampler: "euler",
    scheduler: "normal",
    width: 1024,
    height: 1024,
    batchSize: 4,
    refinePass: true,
    refineStrength: 20,
    outpaint: { left: 128, top: 128, right: 128, bottom: 128, feathering: 32 },
    inpaint: { profile: "replace", maskedAreaOnly: true, cropPadding: 128, maskPolarity: "revealed", maskedContent: "neutral", growMaskBy: 6, maskExpand: 8, maskFeather: 3, maskBlur: 0, maskDespeckle: 0, structureControl: "none", controlStrength: 0.55, controlModel: "auto", colorMatch: true },
  },
};

export const inpaintProfileDefaults: Record<Exclude<InpaintProfile, "custom">, Omit<Partial<GenerateSettings>, "inpaint"> & { inpaint: Partial<GenerateSettings["inpaint"]> }> = {
  remove: { strength: 100, inpaint: { maskedContent: "neutral", cropPadding: 160, maskExpand: 12, maskFeather: 4, structureControl: "none" } },
  replace: { strength: 85, inpaint: { maskedContent: "neutral", cropPadding: 128, maskExpand: 8, maskFeather: 3, structureControl: "none" } },
  repair: { strength: 45, refinePass: true, refineStrength: 15, inpaint: { maskedContent: "original", cropPadding: 96, maskExpand: 4, maskFeather: 2, structureControl: "none" } },
  material: { strength: 65, refinePass: true, refineStrength: 20, inpaint: { maskedContent: "edges", cropPadding: 128, maskExpand: 6, maskFeather: 3, structureControl: "canny", controlStrength: 0.55, colorMatch: false } },
  reshape: { strength: 90, inpaint: { maskedContent: "neutral", cropPadding: 160, maskExpand: 10, maskFeather: 4, structureControl: "depth", controlStrength: 0.4 } },
};

export function isPanInteractionMode(interactionMode: InteractionMode): boolean {
  return interactionMode.type === "temporary-pan" || (interactionMode.type === "tool" && interactionMode.tool === "pan");
}