import {z} from 'zod'

export type GetApiApiV2ProjectsProjectIdPromptTemplatesNameNameArgs = {project_id: string, name: string, environment?: (string | null) | undefined, format?: (string | null) | undefined, flavor_name?: (string | null) | undefined};

export type GetApiApiV2ProjectsProjectIdPromptTemplatesNameNameOptions = {baseUrl: string, BearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const promptTemplateMetadata = z.object({provider: z.string().nullable(), flavor: z.string().nullable(), model: z.string().nullable(), params: z.record(z.string(), z.unknown()).nullable(), provider_info: z.record(z.string(), z.unknown()).nullable()});

export const mediaSlot = z.object({type: z.enum(["audio", "video", "image", "file"]), placeholder_name: z.string()});

export const chatMessageWithMediaSlot = z.object({role: z.string(), content: z.string(), media_slots: z.array(mediaSlot).optional()});

export const chatMessage = z.object({role: z.string(), content: z.string()});

export const historyPlaceholder = z.object({kind: z.literal("history").optional()});

export const normalizedToolSchema = z.object({name: z.string(), description: z.string(), parameters: z.record(z.string(), z.unknown())});

export const getApiApiV2ProjectsProjectIdPromptTemplatesNameNameResponse = z.object({prompt_template_id: z.string(), prompt_template_version_id: z.string(), prompt_template_name: z.string(), version_name: z.string().nullable(), version_description: z.string().nullable(), metadata: promptTemplateMetadata, format_version: z.number().int(), project_id: z.string(), content: z.array(z.union([chatMessageWithMediaSlot, chatMessage, historyPlaceholder])), tool_schema: z.array(normalizedToolSchema).nullable(), output_schema: z.record(z.string(), z.unknown()).nullable()});

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 template by name and environment
 * 
 * GET /api/v2/projects/{project_id}/prompt-templates/name/{name}
 */
export const getApiApiV2ProjectsProjectIdPromptTemplatesNameName = async (args: GetApiApiV2ProjectsProjectIdPromptTemplatesNameNameArgs, options: GetApiApiV2ProjectsProjectIdPromptTemplatesNameNameOptions) => {
const {baseUrl, fetch: fetchFn = fetch, BearerAuth} = 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 (args.format != null) query.append("format", String(args.format))
if (args.flavor_name != null) query.append("flavor_name", String(args.flavor_name))
if (BearerAuth !== undefined) headers.set('authorization', `Bearer ${BearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/api/v2/projects/${encodeURIComponent(String(args.project_id))}/prompt-templates/name/${encodeURIComponent(String(args.name))}${query.size > 0 ? `?${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(getApiApiV2ProjectsProjectIdPromptTemplatesNameNameResponse, await res.json())
};