import {z} from 'zod'

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

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

export const clientSummaryDto = z.object({id: z.string().optional(), firstName: z.string().optional(), lastName: z.string().optional(), email: z.string().nullable().optional(), phoneNumber: z.string().nullable().optional()});

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

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

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

export const tagAssignmentDto = z.object({id: z.string().optional(), tagId: z.string().optional(), tagName: z.string().optional(), tagColor: z.string().nullable().optional(), tagIcon: z.string().nullable().optional(), tagSeverity: warningSeverity.nullable().optional(), entityType: z.string().optional(), entityId: z.string().optional(), value: z.string().nullable().optional(), note: z.string().nullable().optional(), assignedByUserId: z.string().nullable().optional(), assignedByName: z.string().nullable().optional(), assignedAt: z.string().optional()});

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

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

export const patientContactDto = z.object({id: z.string().optional(), patientId: z.string().optional(), clientId: z.string().optional(), client: clientSummaryDto.nullable().optional(), relationshipType: contactRelationshipType.optional(), isPrimary: z.boolean().optional(), permissions: z.array(z.string()).optional(), verificationMethod: contactVerificationMethod.optional(), verifiedByUserId: z.string().nullable().optional(), verifiedAt: z.string().nullable().optional(), verificationNotes: z.string().nullable().optional(), displayOrder: z.union([z.number().int(), z.string()]).optional(), createdAt: z.string().optional(), updatedAt: z.string().optional()});

export const patientResponseDto = z.object({id: z.string().optional(), name: z.string().optional(), species: z.string().optional(), speciesId: z.string().nullable().optional(), breed: z.string().optional(), dateOfBirth: z.string().nullable().optional(), isEstimatedAge: z.boolean().optional(), color: z.string().nullable().optional(), microchipNo: z.string().nullable().optional(), clientId: z.string().optional(), client: clientSummaryDto.nullable().optional(), clientName: z.string().nullable().optional(), clientPhone: z.string().nullable().optional(), clientEmail: z.string().nullable().optional(), fixed: z.boolean().optional(), sex: sex.optional(), vaccinationStatus: vaccinationStatus.optional(), lastVaccinationDate: z.string().nullable().optional(), previousVet: z.string().nullable().optional(), previousVetPhone: z.string().nullable().optional(), tags: z.array(tagAssignmentDto).optional(), contacts: z.array(patientContactDto).optional(), createdAt: z.string().optional(), updatedAt: z.string().optional(), lastVisitDate: z.string().nullable().optional(), hasActiveAppointments: z.boolean().optional(), isDeceased: z.boolean().optional(), deceasedDate: z.string().nullable().optional(), isActive: z.boolean().optional(), registrationPending: z.boolean().optional(), profilePhotoUrl: z.string().nullable().optional(), treatmentAcceptanceRate: z.union([z.number(), z.string()]).nullable().optional(), treatmentAcceptanceRateRecent: z.union([z.number(), z.string()]).nullable().optional(), deferredServiceCount: z.union([z.number().int(), z.string()]).optional()});

export const patientListResponseDto = z.object({data: z.array(patientResponseDto).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 patients with optional filters
 * 
 * GET /Patients
 */
export const getApiPatients = async (args: GetApiPatientsArgs, options?: GetApiPatientsOptions) => {
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.clientId != null) query.append("clientId", String(args.clientId))
if (args.species != null) query.append("species", String(args.species))
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.includeInactive != null) query.append("includeInactive", String(args.includeInactive))
if (args.tagId != null) query.append("tagId", String(args.tagId))
if (Bearer !== undefined) headers.set('authorization', `Bearer ${Bearer}`)

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