import {z} from 'zod'

export type GetApiPromptsPromptIdInfoArgs = {prompt_id: string, environment?: (string | null) | undefined};

export type GetApiPromptsPromptIdInfoOptions = {baseUrl: string, APIKeyHeader?: string | undefined, fetch?: typeof fetch | undefined};

export const promptLiteLLMParams = z.object({api_base: z.string().nullable().optional(), api_key: z.string().nullable().optional(), dotprompt_content: z.string().nullable().optional(), ignore_prompt_manager_model: z.boolean().nullable().optional(), ignore_prompt_manager_optional_params: z.boolean().nullable().optional(), prompt_id: z.string().nullable().optional(), prompt_integration: z.string(), provider_specific_query_params: z.record(z.string(), z.unknown()).nullable().optional()}).and(z.record(z.string(), z.unknown()));

export const promptInfo = z.object({environment: z.string().nullable().optional(), prompt_type: z.enum(["config", "db"])}).and(z.record(z.string(), z.unknown()));

export const promptSpec = z.object({created_at: z.string().nullable().optional(), created_by: z.string().nullable().optional(), environment: z.string().nullable().optional(), litellm_params: promptLiteLLMParams, prompt_id: z.string(), prompt_info: promptInfo, updated_at: z.string().nullable().optional(), version: z.number().int().nullable().optional()});

export const promptTemplateBase = z.object({content: z.string(), litellm_prompt_id: z.string(), metadata: z.record(z.string(), z.unknown()).nullable().optional()});

export const promptInfoResponse = z.object({environments: z.array(z.string()).nullable().optional(), prompt_spec: promptSpec, raw_prompt_template: promptTemplateBase.nullable().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 Prompt Info
 * 
 * GET /prompts/{prompt_id}/info
 */
export const getApiPromptsPromptIdInfo = async (args: GetApiPromptsPromptIdInfoArgs, options: GetApiPromptsPromptIdInfoOptions) => {
const {baseUrl, fetch: fetchFn = fetch, APIKeyHeader} = options ?? {}

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

if (args.environment != null) query.append("environment", String(args.environment))
if (APIKeyHeader !== undefined) headers.set("x-litellm-api-key", APIKeyHeader)

const url = `${baseUrl.replace(/\/+$/, '')}/prompts/${encodeURIComponent(String(args.prompt_id))}/info${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "GET", headers})

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

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