import {z} from 'zod'

export type GetApiV1TasksArgs = {page?: number | undefined, pageSize?: number | undefined, sortOrder?: ('ASC' | 'DESC') | undefined, sortBy?: ('priority' | 'completedAt' | 'skippedAt' | 'dueDate') | undefined, status?: ('upcoming' | 'dueToday' | 'completed' | 'skipped' | 'overdue') | undefined, sequenceId?: string | undefined, taskAssignee?: string | undefined, prospectOutcome?: string | undefined, taskType?: ('linkedin' | 'call' | 'whatsapp' | 'custom') | undefined, search?: string | undefined, callOutcome?: ('Interested' | 'Callback Later' | 'Followup' | 'Not Interested' | 'Wrong Number' | 'No Answer' | 'Left Voicemail' | 'Not In Service') | undefined};

export type GetApiV1TasksOptions = {baseUrl: string, xApiKey?: string | undefined, fetch?: typeof fetch | undefined};

export const getTaskDTO = z.object({page: z.number().gte(1).optional(), pageSize: z.number().gte(1).optional(), sortOrder: z.enum(["ASC", "DESC"]).optional(), sortBy: z.enum(["priority", "completedAt", "skippedAt", "dueDate"]).optional(), status: z.enum(["upcoming", "dueToday", "completed", "skipped", "overdue"]).optional(), sequenceId: z.string().optional(), taskAssignee: z.string().optional(), prospectOutcome: z.string().optional(), taskType: z.enum(["linkedin", "call", "whatsapp", "custom"]).optional(), search: z.string().optional(), callOutcome: z.enum(["Interested", "Callback Later", "Followup", "Not Interested", "Wrong Number", "No Answer", "Left Voicemail", "Not In Service"]).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
};

/**
 * To get the tasks of a user
 * 
 * GET /v1/tasks
 */
export const getApiV1Tasks = async (args: GetApiV1TasksArgs, options: GetApiV1TasksOptions) => {
const {baseUrl, fetch: fetchFn = fetch, xApiKey} = 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.sortOrder != null) query.append("sortOrder", String(args.sortOrder))
if (args.sortBy != null) query.append("sortBy", String(args.sortBy))
if (args.status != null) query.append("status", String(args.status))
if (args.sequenceId != null) query.append("sequenceId", String(args.sequenceId))
if (args.taskAssignee != null) query.append("taskAssignee", String(args.taskAssignee))
if (args.prospectOutcome != null) query.append("prospectOutcome", String(args.prospectOutcome))
if (args.taskType != null) query.append("taskType", String(args.taskType))
if (args.search != null) query.append("search", String(args.search))
if (args.callOutcome != null) query.append("callOutcome", String(args.callOutcome))
if (xApiKey !== undefined) headers.set("x-api-key", xApiKey)

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