import {z} from 'zod'

export type SchedulingEvaluateShiftClaimsItemV1 = {ref: string, shiftClaimId?: (string | null) | undefined, employeeId?: (number | null) | undefined, shiftId?: (string | null) | undefined, actions: Array<'CLAIM_SHIFT' | 'APPROVE_SHIFT_CLAIM'>};

export type SchedulingEvaluateShiftClaimsV1 = {items: Array<SchedulingEvaluateShiftClaimsItemV1>};

export type CreateApiApiV1SchedulingShiftClaimsEvaluateArgs = {body: SchedulingEvaluateShiftClaimsV1};

export type CreateApiApiV1SchedulingShiftClaimsEvaluateOptions = {baseUrl?: string | undefined, basic?: {username: string, password: string} | undefined, fetch?: typeof fetch | undefined};

export const schedulingSchedulingEvaluationSubjectV1 = z.object({type: z.string(), id: z.string()});

export const schedulingSchedulingEvaluationPeriodV1 = z.object({start: z.string(), end: z.string(), timezone: z.string().nullable().optional()});

export const schedulingSchedulingEvaluationContextV1 = z.object({question: z.string(), subjects: z.array(schedulingSchedulingEvaluationSubjectV1), state: z.string(), scheduleView: z.string(), window: schedulingSchedulingEvaluationPeriodV1});

export const schedulingSchedulingEvaluationFindingV1 = z.object({ref: z.string(), coverageRef: z.string(), type: z.string(), code: z.string(), subjects: z.array(schedulingSchedulingEvaluationSubjectV1), period: schedulingSchedulingEvaluationPeriodV1.nullable().optional(), treatment: z.string(), details: z.object({})});

export const schedulingSchedulingEvaluationCoverageReasonV1 = z.object({code: z.string()});

export const schedulingSchedulingEvaluationCoverageV1 = z.object({ref: z.string(), capability: z.string(), subjects: z.array(schedulingSchedulingEvaluationSubjectV1), period: schedulingSchedulingEvaluationPeriodV1, status: z.string(), reason: schedulingSchedulingEvaluationCoverageReasonV1.nullable().optional()});

export const schedulingSchedulingEvaluationDecisionReasonV1 = z.object({code: z.string(), findingRefs: z.array(z.string()).optional(), coverageRefs: z.array(z.string()).optional()});

export const schedulingSchedulingEvaluationDecisionV1 = z.object({action: z.string(), outcome: z.string(), reasons: z.array(schedulingSchedulingEvaluationDecisionReasonV1)});

export const schedulingSchedulingEvaluationV1 = z.object({context: schedulingSchedulingEvaluationContextV1, evaluatedAt: z.string(), findings: z.array(schedulingSchedulingEvaluationFindingV1), coverage: z.array(schedulingSchedulingEvaluationCoverageV1), decision: schedulingSchedulingEvaluationDecisionV1.nullable()});

export const schedulingSchedulingShiftClaimEvaluationResultV1 = z.object({ref: z.string(), evaluations: z.array(schedulingSchedulingEvaluationV1)});

export const schedulingSchedulingShiftClaimEvaluationErrorV1 = z.object({ref: z.string(), status: z.number().int(), code: z.string(), title: z.string(), detail: z.string()});

export const schedulingSchedulingShiftClaimEvaluationBatchV1 = z.object({results: z.array(schedulingSchedulingShiftClaimEvaluationResultV1), errors: z.array(schedulingSchedulingShiftClaimEvaluationErrorV1)});

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
};

/**
 * Evaluate Shift Claims
 * 
 * POST /api/v1/scheduling/shift-claims/evaluate
 * 
 * Also accepts auth: oauth
 */
export const createApiApiV1SchedulingShiftClaimsEvaluate = async (args: CreateApiApiV1SchedulingShiftClaimsEvaluateArgs, options?: CreateApiApiV1SchedulingShiftClaimsEvaluateOptions) => {
const {baseUrl = "https://companySubDomain.bamboohr.com", fetch: fetchFn = fetch, basic} = options ?? {}

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

if (basic !== undefined) headers.set('authorization', `Basic ${btoa(`${basic.username}:${basic.password}`)}`)

const url = `${baseUrl.replace(/\/+$/, '')}/api/v1/scheduling/shift-claims/evaluate${query.size > 0 ? `?${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(schedulingSchedulingShiftClaimEvaluationBatchV1, await res.json())
};