import {z} from 'zod'

export type GetApiClientsArgs = {page?: (number | unknown) | undefined, pageSize?: (number | unknown) | undefined, query?: string | undefined, sortBy?: string | undefined, sortOrder?: string | undefined, tagId?: string | undefined, includeInactive?: boolean | undefined};

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

export const accountStatus = z.number().int();

export const emergencyContactDto = z.object({name: z.string().nullable().optional(), phone: z.string().nullable().optional(), email: z.string().nullable().optional(), relationship: z.string().nullable().optional()});

export const secondaryEmergencyContactDto = z.object({name: z.string().nullable().optional(), phone: z.string().nullable().optional(), email: z.string().nullable().optional(), relationship: z.string().nullable().optional()});

export const contactMethod = z.number().int();

export const communicationPreferencesDto = z.object({preferredMethod: contactMethod.optional(), allowAppointmentReminders: z.boolean().optional(), allowEmailMarketing: z.boolean().optional(), allowPhoneCalls: z.boolean().optional(), allowSmsMarketing: z.boolean().optional(), notes: z.string().nullable().optional()});

export const clientResponseDto = z.object({id: z.string().optional(), email: z.string().nullable().optional(), phoneNumber: z.string().nullable().optional(), firstName: z.string().optional(), lastName: z.string().optional(), address: z.string().nullable().optional(), addressLine2: z.string().nullable().optional(), city: z.string().nullable().optional(), state: z.string().nullable().optional(), zipCode: z.string().nullable().optional(), countryCode: z.string().nullable().optional(), dateOfBirth: z.string().nullable().optional(), accountStatus: accountStatus.optional(), emergencyContact: emergencyContactDto.optional(), secondaryEmergencyContact: secondaryEmergencyContactDto.nullable().optional(), communicationPreferences: communicationPreferencesDto.optional(), emailSuppressedAt: z.string().nullable().optional(), emailSuppressionReason: z.string().nullable().optional(), preferredLanguage: z.string().nullable().optional(), referralSource: z.string().nullable().optional(), createdVia: z.string().nullable().optional(), registrationPending: z.boolean().optional(), allowHouseAccount: z.boolean().optional(), paymentTermsDays: z.union([z.number().int(), z.string()]).nullable().optional(), createdAt: z.string().optional(), updatedAt: z.string().optional()});

export const clientListResponseDto = z.object({data: z.array(clientResponseDto).optional(), totalCount: z.union([z.number().int(), z.string()]).optional(), page: z.union([z.number().int(), z.string()]).optional(), pageSize: z.union([z.number().int(), z.string()]).optional(), totalPages: z.union([z.number().int(), 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
};

/**
 * Get a paginated list of clients with optional search and sorting
 * 
 * GET /Clients
 */
export const getApiClients = async (args: GetApiClientsArgs, options?: GetApiClientsOptions) => {
const {baseUrl = "https://api.clinicos.vet/backend/business", fetch: fetchFn = fetch, Bearer} = 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.query != null) query.append("query", String(args.query))
if (args.sortBy != null) query.append("sortBy", String(args.sortBy))
if (args.sortOrder != null) query.append("sortOrder", String(args.sortOrder))
if (args.tagId != null) query.append("tagId", String(args.tagId))
if (args.includeInactive != null) query.append("includeInactive", String(args.includeInactive))
if (Bearer !== undefined) headers.set('authorization', `Bearer ${Bearer}`)

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