import {z} from 'zod'

export type DateISO = string;

export type GetApiPlacementsArgs = {page?: number | undefined, pageSize?: number | undefined, companyId?: string | undefined, modifiedSince?: DateISO | undefined, modifiedUntil?: DateISO | undefined};

export type GetApiPlacementsOptions = {baseUrl: string, xApiKey?: string | undefined, fetch?: typeof fetch | undefined};

export const dateISO = z.string();

export const placementUserBadgeDto = z.object({id: z.string(), name: z.string(), avatarUrl: z.string().nullable(), deactivatedAt: dateISO.nullable()});

export const dmSupportedCurrency = z.enum(["EUR", "GBP", "USD", "ZAR", "AUD", "CHF", "SAR", "AED", "EGP", "HUF", "RON", "BGN", "CZK", "PLN", "NOK", "SEK", "DKK", "CAD", "HKD", "JPY", "THB", "CNY", "INR", "SGD", "MYR", "QAR", "PHP", "LKR", "KWD", "PKR", "MOP", "IDR", "VND", "KRW", "MXN", "BRL", "ARS", "NZD", "TWD", "ILS", "TRY", "RUB", "MDL", "MUR", "OMR"]);

export const placementMonetaryAmountDto = z.object({amount: z.number(), currency: dmSupportedCurrency});

export const placementFeeSplitDto = z.object({user: placementUserBadgeDto, percentage: z.number().gte(0).lte(1)});

export const placementFeeDto = z.object({id: z.string(), net: placementMonetaryAmountDto.nullable(), splits: z.array(placementFeeSplitDto), details: z.record(z.string(), z.unknown()).nullable().optional()});

export const placementExtensionOfDto = z.object({id: z.string()});

export const placementCandidateBadgeDto = z.object({id: z.string(), firstName: z.string(), lastName: z.string(), middleName: z.string().nullable(), secondLastName: z.string().nullable(), avatarUrl: z.string().nullable()});

export const placementCompanyBadgeDto = z.object({id: z.string(), name: z.string(), logoCdnUrl: z.string().nullable()});

export const placementVacancyBadgeDto = z.object({id: z.string(), name: z.string()});

export const placementListItemDto = z.object({id: z.string(), templateId: z.string(), type: z.enum(["CONTINGENT", "INTERIM", "RETAINED"]), placedByUser: placementUserBadgeDto, placedAt: dateISO, startDate: dateISO.nullable(), endDate: dateISO.nullable(), fee: placementFeeDto.nullable(), extensionOf: placementExtensionOfDto.nullable(), applicationId: z.string(), candidate: placementCandidateBadgeDto, company: placementCompanyBadgeDto, vacancy: placementVacancyBadgeDto.nullable()});

export const paginationDto = z.object({totalItems: z.number(), page: z.number(), hasNextPage: z.boolean()});

export const placementPaginatedResponseDto = z.object({items: z.array(placementListItemDto), pagination: paginationDto});

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 placements
 * 
 * GET /placements
 */
export const getApiPlacements = async (args: GetApiPlacementsArgs, options: GetApiPlacementsOptions) => {
const {baseUrl, fetch: fetchFn = fetch, xApiKey} = options ?? {}

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

if (args.page != null) query.append("page", String(args.page))
if (args.pageSize != null) query.append("pageSize", String(args.pageSize))
if (args.companyId != null) query.append("companyId", String(args.companyId))
if (args.modifiedSince != null) query.append("modifiedSince", String(args.modifiedSince))
if (args.modifiedUntil != null) query.append("modifiedUntil", String(args.modifiedUntil))
if (xApiKey !== undefined) headers.set("x-api-key", xApiKey)

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