import {z} from 'zod'

export type LlmProviderSelectSchema = {_id?: boolean | undefined, createdAt?: boolean | undefined, updatedAt?: boolean | undefined, deletedAt?: boolean | undefined, name?: boolean | undefined, description?: boolean | undefined, slug?: boolean | undefined, llmType?: boolean | undefined, apiKey?: boolean | undefined, modelName?: boolean | undefined, baseUrl?: boolean | undefined, additionalParams?: boolean | undefined, hasAdditionalParams?: boolean | undefined, projectId?: boolean | undefined, createdByUserId?: boolean | undefined, isDefault?: boolean | undefined, costPerMillionTokensInUSDCents?: boolean | undefined};

export type CreateApiLlmProviderIdGetItemArgs = {id: string, body: {select?: LlmProviderSelectSchema | undefined}};

export type CreateApiLlmProviderIdGetItemOptions = {baseUrl?: string | undefined, ApiKey?: string | undefined, fetch?: typeof fetch | undefined};

export const llmProvider = z.object({_id: z.string().optional(), createdAt: z.object({}).optional(), updatedAt: z.object({}).optional(), deletedAt: z.object({}).optional(), version: z.number().optional(), name: z.string(), description: z.string().optional(), slug: z.string(), llmType: z.enum(["OpenAI", "AzureOpenAI", "Anthropic", "Groq", "Mistral", "Ollama", "OpenAICompatible"]), apiKey: z.string().optional(), modelName: z.string().optional(), baseUrl: z.string().optional(), additionalParams: z.object({}).optional(), hasAdditionalParams: z.boolean().optional(), projectId: z.string().optional(), createdByUserId: z.string().optional(), isDefault: z.boolean(), costPerMillionTokensInUSDCents: z.number()});

export const createApiLlmProviderIdGetItemResponse = z.object({data: llmProvider.optional()});

export const validateResponse = async <Output>(
  schema: {
    readonly '~standard': {
      readonly validate: (value: unknown) => ({ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }) | Promise<{ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }>
    }
  },
  value: unknown
): Promise<Output> => {
  const result = await schema['~standard'].validate(value)

  if (result.issues !== undefined) {
    const detail = result.issues
      .map(({ message, path }) =>
        path?.length
          ? `${path.map((segment) => String(typeof segment === 'object' ? segment.key : segment)).join('.')}: ${message}`
          : message
      )
      .join('; ')

    throw new Error(`Response does not match the schema: ${detail}`, { cause: { issues: result.issues } })
  }

  return result.value
};

/**
 * Get LLM Provider
 * 
 * POST /llm-provider/{id}/get-item
 */
export const createApiLlmProviderIdGetItem = async (args: CreateApiLlmProviderIdGetItemArgs, options?: CreateApiLlmProviderIdGetItemOptions) => {
const {baseUrl = "https://oneuptime.com/api", fetch: fetchFn = fetch, ApiKey} = options ?? {}

const query = new URLSearchParams()
const headers = new Headers()
headers.set('content-type', "application/json")
headers.set('accept', "application/json")

if (ApiKey !== undefined) headers.set("APIKey", ApiKey)

const url = `${baseUrl.replace(/\/+$/, '')}/llm-provider/${encodeURIComponent(String(args.id))}/get-item${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "POST", headers, body: JSON.stringify(args.body)})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(createApiLlmProviderIdGetItemResponse, await res.json())
};