import {z} from 'zod'

export type GetApiCompaniesCompanyIdSkillsArgs = {companyId: number};

export type GetApiCompaniesCompanyIdSkillsOptions = {baseUrl: string, jobadderIdentity?: string | undefined, fetch?: typeof fetch | undefined};

export const skillCategoryModel = z.object({skillId: z.number().int(), name: z.string().min(1)});

export const subCategoryModel = z.object({subCategoryId: z.number().int(), name: z.string().min(1), skills: z.array(skillCategoryModel).nullable().optional()});

export const categoryModel = z.object({categoryId: z.number().int(), name: z.string().min(1), subCategories: z.array(subCategoryModel).nullable().optional()});

export const modelLinks = z.object({self: z.string().nullable().optional()});

export const categoryListRepresentation = z.object({items: z.array(categoryModel).nullable().optional(), links: modelLinks.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 company skills
 * 
 * GET /companies/{companyId}/skills
 */
export const getApiCompaniesCompanyIdSkills = async (args: GetApiCompaniesCompanyIdSkillsArgs, options: GetApiCompaniesCompanyIdSkillsOptions) => {
const {baseUrl, fetch: fetchFn = fetch, jobadderIdentity} = options ?? {}

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

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

const url = `${baseUrl.replace(/\/+$/, '')}/companies/${encodeURIComponent(String(args.companyId))}/skills${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(categoryListRepresentation, await res.json())
};