import {z} from 'zod'

export type GetApiV2SkillsArgs = {limit?: number | undefined, starting_after?: string | undefined, ending_before?: string | undefined};

export type GetApiV2SkillsOptions = {baseUrl?: string | undefined, ApiKey?: string | undefined, fetch?: typeof fetch | undefined};

export const skillFile = z.object({path: z.string(), size_bytes: z.string(), sha256: z.string(), content_type: z.string()});

export const skillRepositorySource = z.object({connection_id: z.string().optional(), repository_url: z.string().optional(), ref: z.string().optional(), subdirectory: z.string().optional(), commit_sha: z.string().optional()});

export const skill = z.object({skill_id: z.string(), display_name: z.string(), description: z.string(), tags: z.array(z.string()), project_id: z.string(), path: z.string(), created_at: z.string(), updated_at: z.string(), created_by_id: z.string(), updated_by_id: z.string(), instructions: z.string(), version: z.string(), files: z.array(skillFile).optional(), has_files: z.boolean().optional(), repository_source: skillRepositorySource.optional()});

export const listSkillsResponse = z.object({object: z.string(), data: z.array(skill), has_more: z.boolean()});

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
};

/**
 * List all skills
 * 
 * GET /v2/skills
 */
export const getApiV2Skills = async (args: GetApiV2SkillsArgs, options?: GetApiV2SkillsOptions) => {
const {baseUrl = "https://my.orq.ai", fetch: fetchFn = fetch, ApiKey} = options ?? {}

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

if (args.limit != null) query.append("limit", String(args.limit))
if (args.starting_after != null) query.append("starting_after", String(args.starting_after))
if (args.ending_before != null) query.append("ending_before", String(args.ending_before))
if (ApiKey !== undefined) headers.set('authorization', `Bearer ${ApiKey}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v2/skills${query.size > 0 ? `?${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(listSkillsResponse, await res.json())
};