import {z} from 'zod'

export type SkillAssetContent = {rawContent: string, isExecutable?: boolean | undefined} | {textContent: string, isExecutable?: boolean | undefined};

export type SkillDefinition = {description?: string | undefined, body?: string | undefined, assets?: {[key: string]: SkillAssetContent} | undefined};

export type RegistrySharingScope = 'sharing_scope_unspecified' | 'private' | 'workspace';

export type ShareRelation = 'share_relation_unspecified' | 'reader' | 'writer';

export type CreateSkillRequest = {name: string, definition: SkillDefinition, notes?: (string | null) | undefined, sharingScope?: RegistrySharingScope | undefined, aliases?: Array<string> | undefined, workspaceRelation?: ShareRelation | undefined};

export type CreateApiV2SkillsArgs = {body: CreateSkillRequest};

export type CreateApiV2SkillsOptions = {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 registrySharingScope = z.enum(["sharing_scope_unspecified", "private", "workspace"]);

export const timestamp = z.string();

export const skill = z.object({id: z.string().optional(), name: z.string().optional(), definition: skillDefinition.optional(), version: z.number().int().optional(), notes: z.string().optional(), aliases: z.array(z.string()).optional(), sharingScope: registrySharingScope.optional(), createdAt: timestamp.optional(), updatedAt: timestamp.optional(), latestVersion: z.number().int().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
};

/**
 * CreateSkill
 * 
 * POST /v2/skills
 */
export const createApiV2Skills = async (args: CreateApiV2SkillsArgs, options?: CreateApiV2SkillsOptions) => {
const {baseUrl = "https://api.mistral.ai", 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('authorization', `Bearer ${ApiKey}`)

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