import "server-only";

import { and, eq } from "drizzle-orm";
import {
  executeVip98kExternalTask,
  getVip98kExternalTaskStatus,
  submitVip98kExternalTask,
} from "@/lib/ai/providers/vip98k";
import { db } from "@/lib/db";
import { getAiProvidersByType } from "@/lib/db/queries";
import { aiModel } from "@/lib/db/schema";

export type Vip98kRuntimeProvider = {
  id: string;
  name: string;
  apiKey: string;
  baseUrl: string;
};

let providerCursor = 0;

export async function getVip98kRuntimeProviders(): Promise<Vip98kRuntimeProvider[]> {
  const providers = await getAiProvidersByType({
    type: "vip98k",
    enabledOnly: true,
  });
  return providers
    .map((provider) => ({
      id: provider.id,
      name: provider.name,
      apiKey: String(provider.apiKey || "").trim(),
      baseUrl: String(provider.baseUrl || "").trim(),
    }))
    .filter((provider) => Boolean(provider.apiKey && provider.baseUrl));
}

export async function getVip98kRuntimeProvider(
  preferredProviderId?: string | null,
): Promise<Vip98kRuntimeProvider> {
  const providers = await getVip98kRuntimeProviders();
  const preferredId = String(preferredProviderId || "").trim();
  if (preferredId) {
    const matched = providers.find((provider) => provider.id === preferredId);
    if (matched) return matched;
  }
  if (providers.length === 0) {
    throw new Error("VIP98K 服务商未配置或未启用");
  }
  const selected = providers[providerCursor % providers.length]!;
  providerCursor = (providerCursor + 1) % providers.length;
  return selected;
}

export async function executeConfiguredVip98kTask(params: {
  modelId: string;
  kind: string;
  prompt?: string;
  imageUrls?: string[];
  videoUrls?: string[];
  imageParams?: Record<string, unknown>;
  videoParams?: Record<string, unknown>;
  preferredProviderId?: string | null;
}) {
  const provider = await getVip98kRuntimeProvider(params.preferredProviderId);
  const model = await db.query.aiModel.findFirst({
    where: and(
      eq(aiModel.providerId, provider.id),
      eq(aiModel.modelId, params.modelId),
      eq(aiModel.isEnabled, true),
    ),
  });
  if (!model) {
    throw new Error(`VIP98K 模型未同步或未启用：${params.modelId}`);
  }

  const result = await executeVip98kExternalTask({
    apiKey: provider.apiKey,
    baseURL: provider.baseUrl,
    modelId: params.modelId,
    kind: params.kind,
    prompt: params.prompt,
    imageUrls: params.imageUrls,
    videoUrls: params.videoUrls,
    imageParams: params.imageParams,
    videoParams: params.videoParams,
    modelConfig: {
      capabilities:
        model.capabilities && typeof model.capabilities === "object"
          ? (model.capabilities as Record<string, unknown>)
          : null,
      imageGenConfig:
        model.imageGenConfig && typeof model.imageGenConfig === "object"
          ? (model.imageGenConfig as Record<string, unknown>)
          : null,
    },
  });

  return {
    ...result,
    providerId: provider.id,
    providerName: provider.name,
  };
}

export async function submitConfiguredVip98kTask(params: {
  modelId: string;
  kind: string;
  prompt?: string;
  imageUrls?: string[];
  videoUrls?: string[];
  imageParams?: Record<string, unknown>;
  videoParams?: Record<string, unknown>;
  preferredProviderId?: string | null;
}) {
  const provider = await getVip98kRuntimeProvider(params.preferredProviderId);
  const model = await db.query.aiModel.findFirst({
    where: and(
      eq(aiModel.providerId, provider.id),
      eq(aiModel.modelId, params.modelId),
      eq(aiModel.isEnabled, true),
    ),
  });
  if (!model) {
    throw new Error(`VIP98K 模型未同步或未启用：${params.modelId}`);
  }

  const result = await submitVip98kExternalTask({
    apiKey: provider.apiKey,
    baseURL: provider.baseUrl,
    modelId: params.modelId,
    kind: params.kind,
    prompt: params.prompt,
    imageUrls: params.imageUrls,
    videoUrls: params.videoUrls,
    imageParams: params.imageParams,
    videoParams: params.videoParams,
    modelConfig: {
      capabilities:
        model.capabilities && typeof model.capabilities === "object"
          ? (model.capabilities as Record<string, unknown>)
          : null,
      imageGenConfig:
        model.imageGenConfig && typeof model.imageGenConfig === "object"
          ? (model.imageGenConfig as Record<string, unknown>)
          : null,
    },
  });

  return { ...result, providerId: provider.id, providerName: provider.name };
}

export async function getConfiguredVip98kTaskStatus(params: {
  taskId: string;
  preferredProviderId?: string | null;
  resultPath?: string | null;
}) {
  const provider = await getVip98kRuntimeProvider(params.preferredProviderId);
  const result = await getVip98kExternalTaskStatus({
    apiKey: provider.apiKey,
    baseURL: provider.baseUrl,
    taskId: params.taskId,
    resultPath: params.resultPath,
  });
  return { ...result, providerId: provider.id, providerName: provider.name };
}