import {z} from 'zod'

export type ShiftStatus = 'PLANNED' | 'ACTIVE' | 'INACTIVE' | 'ON_BREAK' | 'COMPLETED' | 'CANCELLED';

export type ShiftBreakConfigurationInput = {timeWindow: Array<unknown>, breakDuration: number};

export type BreakConfig = {anchor?: ('shift_start' | null) | undefined, preferOffRoute?: boolean | undefined};

export type ShiftVehicleConfigInput = {weight?: number | undefined, height?: number | undefined, length?: number | undefined, width?: number | undefined, axleCount?: number | undefined, trailerCount?: number | undefined, weightUnit?: ('kg' | 'lbs') | undefined, lengthUnit?: ('meter' | 'in') | undefined, maxStops?: number | undefined, maxOrdersAtOnce?: number | undefined, maxDistance?: number | undefined, maxDuration?: number | undefined, speedFactor?: number | undefined, capabilities?: Array<string> | undefined, fixedCost?: (number | null) | undefined, costPerUnitDistance?: (number | null) | undefined, costPerUnitTime?: (number | null) | undefined, vehicleProfile?: (string | null) | undefined, minOrdersPerRoute?: (number | null) | undefined, parkingTime?: (number | null) | undefined};

export type ShiftOptimizationParamsInput = {serviceTimeRelativeEfficiency?: (number | null) | undefined, plannedBreaks?: Array<ShiftBreakConfigurationInput> | undefined, breakConfig?: (BreakConfig | null) | undefined, departureDelay?: (number | null) | undefined, shiftEndServiceTimeMinutes?: (number | null) | undefined, vehicleConfig?: (ShiftVehicleConfigInput | null) | undefined};

export type ShiftUpsertInput = {external_id: string, status?: ShiftStatus | undefined, store_location_id?: (string | null) | undefined, zone_ids?: Array<string> | undefined, courier_id?: (string | null) | undefined, vehicle_id?: (string | null) | undefined, name?: (string | null) | undefined, planned_start: string, planned_end: string, planned_break_duration?: number | undefined, optimization_params?: (ShiftOptimizationParamsInput | null) | undefined, shift_metadata?: {[key: string]: unknown} | undefined};

export type UpsertShiftsByExternalIdRequest = {shifts: Array<ShiftUpsertInput>};

export type CreateApiV1ShiftsUpsertByExternalIdArgs = {body: UpsertShiftsByExternalIdRequest};

export type CreateApiV1ShiftsUpsertByExternalIdOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

export const shiftUpsertOutcome = z.enum(["created", "updated", "unchanged"]);

export const shiftStatus = z.enum(["PLANNED", "ACTIVE", "INACTIVE", "ON_BREAK", "COMPLETED", "CANCELLED"]);

export const plannedBreakWindow = z.object({start_offset: z.string(), end_offset: z.string(), duration: z.string()});

export const shiftVehicleConfig = z.object({vehicle_profile: z.string().nullable().optional(), speed_factor: z.number().nullable().optional(), parking_time: z.number().nullable().optional()});

export const shiftRead = z.object({id: z.string(), organization_id: z.string(), external_id: z.string().nullable().optional(), route_id: z.string().nullable().optional(), store_location_id: z.string().nullable().optional(), zone_ids: z.array(z.string()).optional(), courier_id: z.string().nullable().optional(), vehicle_id: z.string().nullable().optional(), name: z.string().nullable().optional(), status: shiftStatus, timezone_id: z.string().nullable().optional(), planned_start: z.string().nullable().optional(), planned_end: z.string().nullable().optional(), actual_start: z.string().nullable().optional(), actual_end: z.string().nullable().optional(), planned_breaks: z.array(plannedBreakWindow).optional(), taken_break_count: z.number().int().optional(), vehicle_config: shiftVehicleConfig.nullable().optional()});

export const shiftUpsertReceipt = z.object({index: z.number().int(), external_id: z.string(), id: z.string(), outcome: shiftUpsertOutcome, shift: shiftRead});

export const upsertShiftsByExternalIdResponse = z.object({results: z.array(shiftUpsertReceipt)});

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
};

/**
 * Upsert shifts by external id
 * 
 * POST /v1/shifts/upsert-by-external-id
 */
export const createApiV1ShiftsUpsertByExternalId = async (args: CreateApiV1ShiftsUpsertByExternalIdArgs, options?: CreateApiV1ShiftsUpsertByExternalIdOptions) => {
const {baseUrl = "https://api.sandbox.usenash.com", fetch: fetchFn = fetch} = options ?? {}

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

const url = `${baseUrl.replace(/\/+$/, '')}/v1/shifts/upsert-by-external-id${query.size > 0 ? `?${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(upsertShiftsByExternalIdResponse, await res.json())
};