/**
 * Chutes model catalog, static model definitions, and dynamic model discovery.
 */
import {
  clearLiveCatalogCacheForTests,
  getCachedLiveProviderModelRows,
  LiveModelCatalogHttpError,
} from "openclaw/plugin-sdk/provider-catalog-live-runtime";
import type { ModelDefinitionConfig } from "openclaw/plugin-sdk/provider-model-shared";
import { createSubsystemLogger } from "openclaw/plugin-sdk/runtime-env";
import { ssrfPolicyFromHttpBaseUrlAllowedHostname } from "openclaw/plugin-sdk/ssrf-runtime";
import {
  asPositiveSafeInteger,
  normalizeLowercaseStringOrEmpty,
  normalizeOptionalString,
} from "openclaw/plugin-sdk/string-coerce-runtime";
import { isChutesModelDiscoveryTestEnvironment } from "./model-discovery-env.js";

const log = createSubsystemLogger("chutes-models");

/** Base URL for Chutes OpenAI-compatible inference. */
export const CHUTES_BASE_URL = "https://llm.chutes.ai/v1";
/** Default Chutes model id used for onboarding. */
export const CHUTES_DEFAULT_MODEL_ID = "zai-org/GLM-4.7-TEE";
/** Default Chutes model ref used for onboarding. */
export const CHUTES_DEFAULT_MODEL_REF = `chutes/${CHUTES_DEFAULT_MODEL_ID}`;

const CHUTES_DEFAULT_CONTEXT_WINDOW = 128000;
const CHUTES_DEFAULT_MAX_TOKENS = 4096;

/** Bundled fallback Chutes model catalog. */
export const CHUTES_MODEL_CATALOG: ModelDefinitionConfig[] = [
  {
    id: "Qwen/Qwen3-32B",
    name: "Qwen/Qwen3-32B",
    reasoning: true,
    input: ["text"],
    contextWindow: 40960,
    maxTokens: 40960,
    cost: { input: 0.08, output: 0.24, cacheRead: 0, cacheWrite: 0 },
  },
  {
    id: "unsloth/Mistral-Nemo-Instruct-2407",
    name: "unsloth/Mistral-Nemo-Instruct-2407",
    reasoning: false,
    input: ["text"],
    contextWindow: 131072,
    maxTokens: 131072,
    cost: { input: 0.02, output: 0.04, cacheRead: 0, cacheWrite: 0 },
  },
  {
    id: "deepseek-ai/DeepSeek-V3-0324-TEE",
    name: "deepseek-ai/DeepSeek-V3-0324-TEE",
    reasoning: true,
    input: ["text"],
    contextWindow: 163840,
    maxTokens: 65536,
    cost: { input: 0.25, output: 1, cacheRead: 0, cacheWrite: 0 },
  },
  {
    id: "Qwen/Qwen3-235B-A22B-Instruct-2507-TEE",
    name: "Qwen/Qwen3-235B-A22B-Instruct-2507-TEE",
    reasoning: true,
    input: ["text"],
    contextWindow: 262144,
    maxTokens: 65536,
    cost: { input: 0.08, output: 0.55, cacheRead: 0, cacheWrite: 0 },
  },
  {
    id: "openai/gpt-oss-120b-TEE",
    name: "openai/gpt-oss-120b-TEE",
    reasoning: true,
    input: ["text"],
    contextWindow: 131072,
    maxTokens: 65536,
    cost: { input: 0.05, output: 0.45, cacheRead: 0, cacheWrite: 0 },
  },
  {
    id: "chutesai/Mistral-Small-3.1-24B-Instruct-2503",
    name: "chutesai/Mistral-Small-3.1-24B-Instruct-2503",
    reasoning: false,
    input: ["text", "image"],
    contextWindow: 131072,
    maxTokens: 131072,
    cost: { input: 0.03, output: 0.11, cacheRead: 0, cacheWrite: 0 },
  },
  {
    id: "deepseek-ai/DeepSeek-V3.2-TEE",
    name: "deepseek-ai/DeepSeek-V3.2-TEE",
    reasoning: true,
    input: ["text"],
    contextWindow: 131072,
    maxTokens: 65536,
    cost: { input: 0.28, output: 0.42, cacheRead: 0, cacheWrite: 0 },
  },
  {
    id: "zai-org/GLM-4.7-TEE",
    name: "zai-org/GLM-4.7-TEE",
    reasoning: true,
    input: ["text"],
    contextWindow: 202752,
    maxTokens: 65535,
    cost: { input: 0.4, output: 2, cacheRead: 0, cacheWrite: 0 },
  },
  {
    id: "moonshotai/Kimi-K2.5-TEE",
    name: "moonshotai/Kimi-K2.5-TEE",
    reasoning: true,
    input: ["text", "image"],
    contextWindow: 262144,
    maxTokens: 65535,
    cost: { input: 0.45, output: 2.2, cacheRead: 0, cacheWrite: 0 },
  },
  {
    id: "unsloth/gemma-3-27b-it",
    name: "unsloth/gemma-3-27b-it",
    reasoning: false,
    input: ["text", "image"],
    contextWindow: 128000,
    maxTokens: 65536,
    cost: { input: 0.04, output: 0.15, cacheRead: 0, cacheWrite: 0 },
  },
  {
    id: "XiaomiMiMo/MiMo-V2-Flash-TEE",
    name: "XiaomiMiMo/MiMo-V2-Flash-TEE",
    reasoning: true,
    input: ["text"],
    contextWindow: 262144,
    maxTokens: 65536,
    cost: { input: 0.09, output: 0.29, cacheRead: 0, cacheWrite: 0 },
  },
  {
    id: "chutesai/Mistral-Small-3.2-24B-Instruct-2506",
    name: "chutesai/Mistral-Small-3.2-24B-Instruct-2506",
    reasoning: false,
    input: ["text", "image"],
    contextWindow: 131072,
    maxTokens: 131072,
    cost: { input: 0.06, output: 0.18, cacheRead: 0, cacheWrite: 0 },
  },
  {
    id: "deepseek-ai/DeepSeek-R1-0528-TEE",
    name: "deepseek-ai/DeepSeek-R1-0528-TEE",
    reasoning: true,
    input: ["text"],
    contextWindow: 163840,
    maxTokens: 65536,
    cost: { input: 0.45, output: 2.15, cacheRead: 0, cacheWrite: 0 },
  },
  {
    id: "zai-org/GLM-5-TEE",
    name: "zai-org/GLM-5-TEE",
    reasoning: true,
    input: ["text"],
    contextWindow: 202752,
    maxTokens: 65535,
    cost: { input: 0.95, output: 3.15, cacheRead: 0, cacheWrite: 0 },
  },
  {
    id: "deepseek-ai/DeepSeek-V3.1-TEE",
    name: "deepseek-ai/DeepSeek-V3.1-TEE",
    reasoning: true,
    input: ["text"],
    contextWindow: 163840,
    maxTokens: 65536,
    cost: { input: 0.2, output: 0.8, cacheRead: 0, cacheWrite: 0 },
  },
  {
    id: "deepseek-ai/DeepSeek-V3.1-Terminus-TEE",
    name: "deepseek-ai/DeepSeek-V3.1-Terminus-TEE",
    reasoning: true,
    input: ["text"],
    contextWindow: 163840,
    maxTokens: 65536,
    cost: { input: 0.23, output: 0.9, cacheRead: 0, cacheWrite: 0 },
  },
  {
    id: "unsloth/gemma-3-4b-it",
    name: "unsloth/gemma-3-4b-it",
    reasoning: false,
    input: ["text", "image"],
    contextWindow: 96000,
    maxTokens: 96000,
    cost: { input: 0.01, output: 0.03, cacheRead: 0, cacheWrite: 0 },
  },
  {
    id: "MiniMaxAI/MiniMax-M2.5-TEE",
    name: "MiniMaxAI/MiniMax-M2.5-TEE",
    reasoning: true,
    input: ["text"],
    contextWindow: 196608,
    maxTokens: 65536,
    cost: { input: 0.3, output: 1.1, cacheRead: 0, cacheWrite: 0 },
  },
  {
    id: "tngtech/DeepSeek-TNG-R1T2-Chimera",
    name: "tngtech/DeepSeek-TNG-R1T2-Chimera",
    reasoning: true,
    input: ["text"],
    contextWindow: 163840,
    maxTokens: 163840,
    cost: { input: 0.25, output: 0.85, cacheRead: 0, cacheWrite: 0 },
  },
  {
    id: "Qwen/Qwen3-Coder-Next-TEE",
    name: "Qwen/Qwen3-Coder-Next-TEE",
    reasoning: true,
    input: ["text"],
    contextWindow: 262144,
    maxTokens: 65536,
    cost: { input: 0.12, output: 0.75, cacheRead: 0, cacheWrite: 0 },
  },
  {
    id: "NousResearch/Hermes-4-405B-FP8-TEE",
    name: "NousResearch/Hermes-4-405B-FP8-TEE",
    reasoning: true,
    input: ["text"],
    contextWindow: 131072,
    maxTokens: 65536,
    cost: { input: 0.3, output: 1.2, cacheRead: 0, cacheWrite: 0 },
  },
  {
    id: "deepseek-ai/DeepSeek-V3",
    name: "deepseek-ai/DeepSeek-V3",
    reasoning: false,
    input: ["text"],
    contextWindow: 163840,
    maxTokens: 163840,
    cost: { input: 0.3, output: 1.2, cacheRead: 0, cacheWrite: 0 },
  },
  {
    id: "openai/gpt-oss-20b",
    name: "openai/gpt-oss-20b",
    reasoning: true,
    input: ["text"],
    contextWindow: 131072,
    maxTokens: 131072,
    cost: { input: 0.04, output: 0.15, cacheRead: 0, cacheWrite: 0 },
  },
  {
    id: "unsloth/Llama-3.2-3B-Instruct",
    name: "unsloth/Llama-3.2-3B-Instruct",
    reasoning: false,
    input: ["text"],
    contextWindow: 128000,
    maxTokens: 4096,
    cost: { input: 0.01, output: 0.01, cacheRead: 0, cacheWrite: 0 },
  },
  {
    id: "unsloth/Mistral-Small-24B-Instruct-2501",
    name: "unsloth/Mistral-Small-24B-Instruct-2501",
    reasoning: false,
    input: ["text", "image"],
    contextWindow: 32768,
    maxTokens: 32768,
    cost: { input: 0.07, output: 0.3, cacheRead: 0, cacheWrite: 0 },
  },
  {
    id: "zai-org/GLM-4.7-FP8",
    name: "zai-org/GLM-4.7-FP8",
    reasoning: true,
    input: ["text"],
    contextWindow: 202752,
    maxTokens: 65535,
    cost: { input: 0.3, output: 1.2, cacheRead: 0, cacheWrite: 0 },
  },
  {
    id: "zai-org/GLM-4.6-TEE",
    name: "zai-org/GLM-4.6-TEE",
    reasoning: true,
    input: ["text"],
    contextWindow: 202752,
    maxTokens: 65536,
    cost: { input: 0.4, output: 1.7, cacheRead: 0, cacheWrite: 0 },
  },
  {
    id: "Qwen/Qwen3.5-397B-A17B-TEE",
    name: "Qwen/Qwen3.5-397B-A17B-TEE",
    reasoning: true,
    input: ["text", "image"],
    contextWindow: 262144,
    maxTokens: 65536,
    cost: { input: 0.55, output: 3.5, cacheRead: 0, cacheWrite: 0 },
  },
  {
    id: "Qwen/Qwen2.5-72B-Instruct",
    name: "Qwen/Qwen2.5-72B-Instruct",
    reasoning: false,
    input: ["text"],
    contextWindow: 32768,
    maxTokens: 32768,
    cost: { input: 0.3, output: 1.2, cacheRead: 0, cacheWrite: 0 },
  },
  {
    id: "NousResearch/DeepHermes-3-Mistral-24B-Preview",
    name: "NousResearch/DeepHermes-3-Mistral-24B-Preview",
    reasoning: false,
    input: ["text"],
    contextWindow: 32768,
    maxTokens: 32768,
    cost: { input: 0.02, output: 0.1, cacheRead: 0, cacheWrite: 0 },
  },
  {
    id: "Qwen/Qwen3-Next-80B-A3B-Instruct",
    name: "Qwen/Qwen3-Next-80B-A3B-Instruct",
    reasoning: false,
    input: ["text"],
    contextWindow: 262144,
    maxTokens: 262144,
    cost: { input: 0.1, output: 0.8, cacheRead: 0, cacheWrite: 0 },
  },
  {
    id: "zai-org/GLM-4.6-FP8",
    name: "zai-org/GLM-4.6-FP8",
    reasoning: true,
    input: ["text"],
    contextWindow: 202752,
    maxTokens: 65535,
    cost: { input: 0.3, output: 1.2, cacheRead: 0, cacheWrite: 0 },
  },
  {
    id: "Qwen/Qwen3-235B-A22B-Thinking-2507",
    name: "Qwen/Qwen3-235B-A22B-Thinking-2507",
    reasoning: true,
    input: ["text"],
    contextWindow: 262144,
    maxTokens: 262144,
    cost: { input: 0.11, output: 0.6, cacheRead: 0, cacheWrite: 0 },
  },
  {
    id: "deepseek-ai/DeepSeek-R1-Distill-Llama-70B",
    name: "deepseek-ai/DeepSeek-R1-Distill-Llama-70B",
    reasoning: true,
    input: ["text"],
    contextWindow: 131072,
    maxTokens: 131072,
    cost: { input: 0.03, output: 0.11, cacheRead: 0, cacheWrite: 0 },
  },
  {
    id: "tngtech/R1T2-Chimera-Speed",
    name: "tngtech/R1T2-Chimera-Speed",
    reasoning: true,
    input: ["text"],
    contextWindow: 131072,
    maxTokens: 65536,
    cost: { input: 0.22, output: 0.6, cacheRead: 0, cacheWrite: 0 },
  },
  {
    id: "zai-org/GLM-4.6V",
    name: "zai-org/GLM-4.6V",
    reasoning: true,
    input: ["text", "image"],
    contextWindow: 131072,
    maxTokens: 65536,
    cost: { input: 0.3, output: 0.9, cacheRead: 0, cacheWrite: 0 },
  },
  {
    id: "Qwen/Qwen2.5-VL-32B-Instruct",
    name: "Qwen/Qwen2.5-VL-32B-Instruct",
    reasoning: false,
    input: ["text", "image"],
    mediaInput: {
      image: { maxPixels: 12845056, preferredSidePx: 2048, tokenMode: "provider" },
    },
    contextWindow: 16384,
    maxTokens: 16384,
    cost: { input: 0.05, output: 0.22, cacheRead: 0, cacheWrite: 0 },
  },
  {
    id: "Qwen/Qwen3-VL-235B-A22B-Instruct",
    name: "Qwen/Qwen3-VL-235B-A22B-Instruct",
    reasoning: false,
    input: ["text", "image"],
    mediaInput: {
      image: { maxPixels: 12845056, preferredSidePx: 2048, tokenMode: "provider" },
    },
    contextWindow: 262144,
    maxTokens: 262144,
    cost: { input: 0.3, output: 1.2, cacheRead: 0, cacheWrite: 0 },
  },
  {
    id: "Qwen/Qwen3-14B",
    name: "Qwen/Qwen3-14B",
    reasoning: true,
    input: ["text"],
    contextWindow: 40960,
    maxTokens: 40960,
    cost: { input: 0.05, output: 0.22, cacheRead: 0, cacheWrite: 0 },
  },
  {
    id: "Qwen/Qwen2.5-Coder-32B-Instruct",
    name: "Qwen/Qwen2.5-Coder-32B-Instruct",
    reasoning: false,
    input: ["text"],
    contextWindow: 32768,
    maxTokens: 32768,
    cost: { input: 0.03, output: 0.11, cacheRead: 0, cacheWrite: 0 },
  },
  {
    id: "Qwen/Qwen3-30B-A3B",
    name: "Qwen/Qwen3-30B-A3B",
    reasoning: true,
    input: ["text"],
    contextWindow: 40960,
    maxTokens: 40960,
    cost: { input: 0.06, output: 0.22, cacheRead: 0, cacheWrite: 0 },
  },
  {
    id: "unsloth/gemma-3-12b-it",
    name: "unsloth/gemma-3-12b-it",
    reasoning: false,
    input: ["text", "image"],
    contextWindow: 131072,
    maxTokens: 131072,
    cost: { input: 0.03, output: 0.1, cacheRead: 0, cacheWrite: 0 },
  },
  {
    id: "unsloth/Llama-3.2-1B-Instruct",
    name: "unsloth/Llama-3.2-1B-Instruct",
    reasoning: false,
    input: ["text"],
    contextWindow: 128000,
    maxTokens: 4096,
    cost: { input: 0.01, output: 0.01, cacheRead: 0, cacheWrite: 0 },
  },
  {
    id: "nvidia/NVIDIA-Nemotron-3-Nano-30B-A3B-BF16-TEE",
    name: "nvidia/NVIDIA-Nemotron-3-Nano-30B-A3B-BF16-TEE",
    reasoning: true,
    input: ["text"],
    contextWindow: 128000,
    maxTokens: 4096,
    cost: { input: 0.3, output: 1.2, cacheRead: 0, cacheWrite: 0 },
  },
  {
    id: "NousResearch/Hermes-4-14B",
    name: "NousResearch/Hermes-4-14B",
    reasoning: true,
    input: ["text"],
    contextWindow: 40960,
    maxTokens: 40960,
    cost: { input: 0.01, output: 0.05, cacheRead: 0, cacheWrite: 0 },
  },
  {
    id: "Qwen/Qwen3Guard-Gen-0.6B",
    name: "Qwen/Qwen3Guard-Gen-0.6B",
    reasoning: false,
    input: ["text"],
    contextWindow: 128000,
    maxTokens: 4096,
    cost: { input: 0.01, output: 0.01, cacheRead: 0, cacheWrite: 0 },
  },
  {
    id: "rednote-hilab/dots.ocr",
    name: "rednote-hilab/dots.ocr",
    reasoning: false,
    input: ["text", "image"],
    contextWindow: 131072,
    maxTokens: 131072,
    cost: { input: 0.01, output: 0.01, cacheRead: 0, cacheWrite: 0 },
  },
];

/** Adds Chutes provider compat metadata to one model catalog entry. */
export function buildChutesModelDefinition(
  model: (typeof CHUTES_MODEL_CATALOG)[number],
): ModelDefinitionConfig {
  return {
    ...model,
    compat: {
      supportsUsageInStreaming: false,
    },
  };
}

interface ChutesModelEntry {
  id: string;
  name?: string;
  supported_features?: string[];
  input_modalities?: string[];
  context_length?: number;
  max_output_length?: number;
  pricing?: {
    prompt?: number;
    completion?: number;
  };
  [key: string]: unknown;
}

const CACHE_TTL = 5 * 60 * 1000;

/** Clears the dynamic Chutes model discovery cache for tests. */
export function clearChutesModelCacheForTests(): void {
  clearLiveCatalogCacheForTests();
}

async function fetchChutesModelRows(accessToken?: string): Promise<readonly unknown[]> {
  return await getCachedLiveProviderModelRows({
    providerId: "chutes",
    endpoint: `${CHUTES_BASE_URL}/models`,
    discoveryApiKey: accessToken,
    timeoutMs: 10_000,
    ttlMs: CACHE_TTL,
    buildRequestHeaders: ({ discoveryApiKey }) => ({
      Accept: "application/json",
      ...(discoveryApiKey ? { Authorization: `Bearer ${discoveryApiKey}` } : {}),
    }),
    policy: ssrfPolicyFromHttpBaseUrlAllowedHostname(CHUTES_BASE_URL),
    auditContext: "chutes-model-discovery",
  });
}

/** Discovers Chutes models dynamically, falling back to the bundled static catalog. */
export async function discoverChutesModels(accessToken?: string): Promise<ModelDefinitionConfig[]> {
  const trimmedKey = normalizeOptionalString(accessToken) ?? "";

  if (isChutesModelDiscoveryTestEnvironment()) {
    return CHUTES_MODEL_CATALOG.map(buildChutesModelDefinition);
  }

  const staticCatalog = () => CHUTES_MODEL_CATALOG.map(buildChutesModelDefinition);

  try {
    const data = await fetchChutesModelRows(trimmedKey || undefined);
    if (data.length === 0) {
      log.warn("No models in response, using static catalog");
      return staticCatalog();
    }

    const seen = new Set<string>();
    const models: ModelDefinitionConfig[] = [];

    for (const entry of data as ChutesModelEntry[]) {
      const id = normalizeOptionalString(entry?.id) ?? "";
      if (!id || seen.has(id)) {
        continue;
      }
      seen.add(id);

      const lowerId = normalizeLowercaseStringOrEmpty(id);
      const isReasoning =
        entry.supported_features?.includes("reasoning") ||
        lowerId.includes("r1") ||
        lowerId.includes("thinking") ||
        lowerId.includes("reason") ||
        lowerId.includes("tee");

      const input: Array<"text" | "image"> = (entry.input_modalities || ["text"]).filter(
        (i): i is "text" | "image" => i === "text" || i === "image",
      );

      models.push({
        id,
        name: id,
        reasoning: isReasoning,
        input,
        cost: {
          input: entry.pricing?.prompt || 0,
          output: entry.pricing?.completion || 0,
          cacheRead: 0,
          cacheWrite: 0,
        },
        contextWindow: asPositiveSafeInteger(entry.context_length) ?? CHUTES_DEFAULT_CONTEXT_WINDOW,
        maxTokens: asPositiveSafeInteger(entry.max_output_length) ?? CHUTES_DEFAULT_MAX_TOKENS,
        compat: {
          supportsUsageInStreaming: false,
        },
      });
    }

    if (models.length === 0) {
      return staticCatalog();
    }
    return models;
  } catch (error) {
    if (error instanceof LiveModelCatalogHttpError && error.status === 401 && trimmedKey) {
      return await discoverChutesModels(undefined);
    }
    if (
      error instanceof LiveModelCatalogHttpError &&
      error.status !== 401 &&
      error.status !== 503
    ) {
      log.warn(`GET /v1/models failed: HTTP ${error.status}, using static catalog`);
      return staticCatalog();
    }
    log.warn(`Discovery failed: ${String(error)}, using static catalog`);
    return staticCatalog();
  }
}
