import type { ModelType, ProviderEnvStatus, ProviderSettings, ProviderType, SelectedModel } from "@/types";
import { MODEL_DISPLAY_NAMES } from "@/types";
import { isPopiProviderMode } from "@/lib/providerMode";

const NEWAPIWG_DEFAULT_IMAGE_MODEL_ID = "apiyi_nano_banana_2";
const NEWAPIWG_DEFAULT_IMAGE_FALLBACK_MODEL_ID = "gpt-image-2-all";
const NEWAPIWG_DEFAULT_VIDEO_MODEL_ID = "doubao-seedance-2-0-260128";
const DEFAULT_AUDIO_MODEL_ID = "elevenlabs/turbo-v2.5";

export function createNewApiWGDefaultImageModel(): SelectedModel {
  return {
    provider: "newapiwg",
    modelId: NEWAPIWG_DEFAULT_IMAGE_MODEL_ID,
    displayName: NEWAPIWG_DEFAULT_IMAGE_MODEL_ID,
    capabilities: ["text-to-image", "image-to-image"],
  };
}

export function createNewApiWGDefaultImageFallbackModel(): SelectedModel {
  return {
    provider: "newapiwg",
    modelId: NEWAPIWG_DEFAULT_IMAGE_FALLBACK_MODEL_ID,
    displayName: NEWAPIWG_DEFAULT_IMAGE_FALLBACK_MODEL_ID,
    capabilities: ["text-to-image", "image-to-image"],
  };
}

export function isNewApiWGDefaultImageModel(model: SelectedModel): boolean {
  return model.provider === "newapiwg" && model.modelId === NEWAPIWG_DEFAULT_IMAGE_MODEL_ID;
}

export function createNewApiWGDefaultVideoModel(): SelectedModel {
  return {
    provider: "newapiwg",
    modelId: NEWAPIWG_DEFAULT_VIDEO_MODEL_ID,
    displayName: NEWAPIWG_DEFAULT_VIDEO_MODEL_ID,
    capabilities: ["text-to-video", "image-to-video"],
  };
}

export function createDefaultAudioModel(): SelectedModel {
  return {
    provider: "kie",
    modelId: DEFAULT_AUDIO_MODEL_ID,
    displayName: "ElevenLabs Turbo v2.5",
    capabilities: ["text-to-audio"],
  };
}

export function createGeminiLegacyImageModel(model: string): SelectedModel {
  return {
    provider: "gemini",
    modelId: model,
    displayName: MODEL_DISPLAY_NAMES[model as ModelType] || model,
  };
}

function hasProviderCredential(
  providerSettings: ProviderSettings,
  provider: ProviderType,
  providerEnvStatus?: ProviderEnvStatus | null
): boolean {
  if (provider === "newapiwg") {
    return isPopiProviderMode();
  }

  return Boolean(
    providerSettings.providers[provider]?.apiKey ||
      providerEnvStatus?.[provider]
  );
}

export function shouldPreferNewApiWGImageModel(
  providerSettings: ProviderSettings,
  providerEnvStatus?: ProviderEnvStatus | null
): boolean {
  if (isPopiProviderMode()) return true;
  return hasProviderCredential(providerSettings, "newapiwg", providerEnvStatus);
}

export function shouldPreferNewApiWGVideoModel(
  providerSettings: ProviderSettings,
  providerEnvStatus?: ProviderEnvStatus | null
): boolean {
  if (isPopiProviderMode()) return true;
  return hasProviderCredential(providerSettings, "newapiwg", providerEnvStatus);
}

export function createDefaultImageModel(
  legacyModel: string,
  providerSettings: ProviderSettings,
  providerEnvStatus?: ProviderEnvStatus | null
): SelectedModel {
  if (shouldPreferNewApiWGImageModel(providerSettings, providerEnvStatus)) {
    return createNewApiWGDefaultImageModel();
  }
  return createGeminiLegacyImageModel(legacyModel);
}