import {z} from 'zod'

export type GetApiV2SkillsSkillIdVersionsArgs = {skill_id: string};

export type GetApiV2SkillsSkillIdVersionsOptions = {baseUrl?: string | undefined, ApiKey?: string | undefined, fetch?: typeof fetch | undefined};

export const skillAssetContent = z.union([z.object({rawContent: z.string(), isExecutable: z.boolean().optional()}), z.object({textContent: z.string(), isExecutable: z.boolean().optional()})]);

export const skillDefinition = z.object({description: z.string().optional(), body: z.string().optional(), assets: z.record(z.string(), skillAssetContent).optional()});

export const timestamp = z.string();

export const skillVersion = z.object({version: z.number().int().optional(), definition: skillDefinition.optional(), notes: z.string().optional(), aliases: z.array(z.string()).optional(), createdAt: timestamp.optional()});

export const listSkillVersionsResponse = z.object({data: z.array(skillVersion).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
};

/**
 * ListSkillVersions
 * 
 * GET /v2/skills/{skill_id}/versions
 */
export const getApiV2SkillsSkillIdVersions = async (args: GetApiV2SkillsSkillIdVersionsArgs, options?: GetApiV2SkillsSkillIdVersionsOptions) => {
const {baseUrl = "https://api.mistral.ai", fetch: fetchFn = fetch, ApiKey} = options ?? {}

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

if (ApiKey !== undefined) headers.set('authorization', `Bearer ${ApiKey}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v2/skills/${encodeURIComponent(String(args.skill_id))}/versions${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(listSkillVersionsResponse, await res.json())
};