import {z} from 'zod'

export type Location = {lat: number, lon: number};

export type Vehicle = {id: string, location: Location, attributes?: Record<string, never> | undefined, remaining_waypoints?: Array<Location> | undefined, priority?: number | undefined};

export type Job = {id: string, description?: string | undefined, location_index: number, delivery?: Array<number> | undefined, pickup?: Array<number> | undefined, service?: number | undefined, time_windows?: Array<Array<number>> | undefined, skills?: Array<number> | undefined, priority?: number | undefined, setup?: number | undefined, zones?: Array<number> | undefined, metadata?: Record<string, never> | undefined, depot_ids?: Array<string> | undefined, load_types?: Array<string> | undefined, incompatible_load_types?: Array<string> | undefined, sequence_order?: number | undefined, revenue?: number | undefined, outsourcing_cost?: number | undefined, follow_lifo_order?: boolean | undefined, max_visit_lateness?: number | undefined, volume?: ({width?: number | undefined, depth?: number | undefined, height?: number | undefined, alignment?: ('strict' | 'parallel' | 'fixed_bottom') | undefined}) | undefined, joint_order?: number | undefined};

export type ShipmentStepPickup = {id: string, description?: string | undefined, location_index: number, service?: number | undefined, time_windows?: Array<Array<number>> | undefined, setup?: number | undefined, sequence_order?: number | undefined, metadata?: Record<string, never> | undefined, max_visit_lateness?: number | undefined};

export type ShipmentStepDelivery = {id: string, description?: string | undefined, location_index: number, service?: number | undefined, time_windows?: Array<Array<number>> | undefined, setup?: number | undefined, sequence_order?: number | undefined, metadata?: Record<string, never> | undefined, max_visit_lateness?: number | undefined};

export type Shipment = {pickup: ShipmentStepPickup, delivery: ShipmentStepDelivery, amount?: Array<number> | undefined, skills?: Array<number> | undefined, priority?: number | undefined, zones?: Array<number> | undefined, load_types?: Array<string> | undefined, incompatible_load_types?: Array<string> | undefined, max_time_in_vehicle?: number | undefined, revenue?: number | undefined, outsourcing_cost?: number | undefined, follow_lifo_order?: boolean | undefined, volume?: ({width?: number | undefined, depth?: number | undefined, height?: number | undefined, alignment?: ('strict' | 'parallel' | 'fixed_bottom') | undefined}) | undefined, joint_order?: number | undefined};

export type ReOptimizationInput = {existing_request_id: string, vehicle_changes?: ({add?: Array<Vehicle> | undefined, remove?: Array<string> | undefined, modify?: Vehicle | undefined}) | undefined, job_changes?: ({add?: Array<Job> | undefined, remove?: Array<string> | undefined, modify?: Array<Job> | undefined}) | undefined, shipment_changes?: ({add?: Array<Shipment> | undefined, remove?: Array<string> | undefined, modify?: Array<Shipment> | undefined}) | undefined, locations?: Array<string> | undefined};

export type CreateApiOptimizationReOptimizationArgs = {key: unknown, body: ReOptimizationInput};

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

export const pOSTResponse = z.object({id: z.string().optional(), message: z.string().optional(), status: z.string().optional(), warnings: z.array(z.string()).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
};

/**
 * Re-optimization
 * 
 * POST /optimization/re_optimization
 */
export const createApiOptimizationReOptimization = async (args: CreateApiOptimizationReOptimizationArgs, options?: CreateApiOptimizationReOptimizationOptions) => {
const {baseUrl = "https://api.nextbillion.io", 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 (args.key != null) query.append("key", String(args.key))
if (apiKey !== undefined) query.set("key", apiKey)

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