import {z} from 'zod'

export type GetApiApiV1ReelInfoOptions = {baseUrl: string, fetch?: typeof fetch | undefined};

export const reelChassisIdentifiers = z.enum(["croc_mini", "croc_xl", "kronos", "caiman", "user"]);

export const reelChassisInfoResponse = z.object({type: reelChassisIdentifiers});

export const motorDriverIdentifiers = z.enum(["roboclaw", "motoron", "auto", "none"]);

export const motorDriverInfoResponse = z.object({type: motorDriverIdentifiers.nullable().optional(), version: z.string().nullable().optional()});

export const encoderIdentifiers = z.enum(["none", "roboclaw", "qsb", "auto"]);

export const encoderInfoResponse = z.object({type: encoderIdentifiers.nullable().optional()});

export const encodersInfoResponse = z.object({cable_position: encoderInfoResponse, motor_position: encoderInfoResponse});

export const pIDControllerInfoResponse = z.object({calibrated: z.boolean(), calibrating: z.boolean(), calibrated_timestamp: z.string().nullable()});

export const cablePositionEncoderInfoResponse = z.object({calibrated: z.boolean(), calibrated_timestamp: z.string().nullable(), calibration_factor: z.number().int(), connected: z.boolean()});

export const calibrationsInfoResponse = z.object({pid_controller: pIDControllerInfoResponse, cable_position_encoder: cablePositionEncoderInfoResponse.nullable()});

export const setupPhase = z.enum(["component_configuration", "hardware_verification", "complete"]);

export const setupStatusSimple = z.object({setup_mode_active: z.boolean(), current_phase: setupPhase, component_configuration_complete: z.boolean(), hardware_verification_complete: z.boolean(), unconfigured_components: z.number().int(), configured_components: z.number().int()});

export const reedSwitchRole = z.enum(["emergency_stop", "limit_hold", "benson_push_push_lock"]);

export const cableReelInfoResponse = z.object({uuid: z.string().optional(), serial_number: z.string().optional(), display_name: z.string().optional(), api_version: z.string(), reel_chassis: reelChassisInfoResponse, motor_driver: motorDriverInfoResponse.nullable().optional(), encoders: encodersInfoResponse, calibrations: calibrationsInfoResponse, setup: setupStatusSimple, reed_switch: z.object({role: reedSwitchRole.optional()}).nullable().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 cable reel system information
 * 
 * GET /api/v1/reel/info
 */
export const getApiApiV1ReelInfo = async (options: GetApiApiV1ReelInfoOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

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

const url = `${baseUrl.replace(/\/+$/, '')}/api/v1/reel/info${query.size > 0 ? `?${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(cableReelInfoResponse, await res.json())
};