import {z} from 'zod'

export type GetApiTaskArgs = {page?: number | undefined, pageSize?: number | undefined, sort?: string | undefined, additionalProperties?: string | undefined};

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

export const taskAssignee = z.object({id: z.string().optional(), version: z.string().optional(), createdDate: z.number().int().optional(), lastModifiedDate: z.number().int().optional(), plannedEffort: z.number().int().optional(), userId: z.string().optional()});

export const entityReference = z.object({entityId: z.string().optional(), entityName: z.string().optional()});

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

export const customAttribute = z.object({attributeDefinitionId: z.string().optional(), booleanValue: z.boolean().optional(), dateValue: z.number().int().optional(), entityId: z.string().optional(), entityReferences: z.array(entityReference).optional(), numberValue: z.string().optional(), selectedValueId: z.string().optional(), selectedValues: z.array(onlyId).optional(), stringValue: z.string().optional()});

export const taskMailAccount = z.object({id: z.string().optional(), version: z.string().optional(), createdDate: z.number().int().optional(), lastModifiedDate: z.number().int().optional(), mailAccountId: z.string().optional(), serverIdentifier: z.string().optional()});

export const task = z.object({id: z.string().optional(), version: z.string().optional(), allowOverBooking: z.boolean().optional(), allowTimeBooking: z.boolean().optional(), articleId: z.string().optional(), assignees: z.array(taskAssignee).optional(), billableStatus: z.boolean().optional(), calendarEventId: z.string().optional(), createdDate: z.number().int().optional(), creatorUserId: z.string().optional(), customAttributes: z.array(customAttribute).optional(), customerId: z.string().optional(), dateFrom: z.number().int().optional(), dateTo: z.number().int().optional(), description: z.string().optional(), entityReferences: z.array(entityReference).optional(), identifier: z.string().optional(), invoicingStatus: z.enum(["INVOICED", "NOT_INVOICED", "PARTLY_INVOICED"]).optional(), lastModifiedDate: z.number().int().optional(), lastReminderDateForOverdue: z.number().int().optional(), orderItemId: z.string().optional(), parentTaskId: z.string().optional(), performanceRecordedStatus: z.enum(["NOT_PERFORMANCE_RECORDABLE", "ON_PERFORMANCE_RECORD", "PERFORMANCE_RECORDABLE", "PERFORMANCE_RECORDED"]).optional(), plannedEffort: z.number().int().optional(), positionNumber: z.number().int().optional(), previousTaskId: z.string().optional(), subject: z.string().optional(), taskLists: z.array(onlyId).optional(), taskMailAccount: taskMailAccount.optional(), taskPriority: z.enum(["HIGH", "LOW", "MEDIUM"]), taskStatus: z.enum(["COMPLETED", "DEFERRED", "IN_PROGRESS", "NOT_STARTED", "WAITING_ON_OTHERS"]), taskTopics: z.array(onlyId).optional(), taskTypes: z.array(onlyId).optional(), taskVisibilityType: z.enum(["ORGANIZATION", "PRIVATE"]), ticketId: z.string().optional(), userOfLastStatusChangeId: z.string().optional(), watchers: z.array(onlyId).optional()});

export const duration = z.object({durationSeconds: z.number().int().optional()});

export const amount = z.object({amountInCompanyCurrency: z.string().optional()});

export const getApiTaskResponse = z.object({result: z.array(task).optional(), additionalProperties: z.object({bookedBillableWork: z.array(duration).optional(), bookedWork: z.array(duration).optional(), costOfServices: z.array(amount).optional(), fullPositionNumber: z.array(z.string()).optional(), orderItemNumber: z.array(z.string()).optional()}).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
};

/**
 * query task
 * 
 * GET /task
 */
export const getApiTask = async (args: GetApiTaskArgs, options: GetApiTaskOptions) => {
const {baseUrl, fetch: fetchFn = fetch, APIToken} = 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.sort != null) query.append("sort", String(args.sort))
if (args.additionalProperties != null) query.append("additionalProperties", String(args.additionalProperties))
if (APIToken !== undefined) headers.set("AuthenticationToken", APIToken)

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