import client from '../client';
import type { PaginatedResponse } from '../types';

// --- Types ---
export interface VitalSigns {
  id: string;
  patient_id: string;
  record_date: string;
  systolic_bp_morning?: number;
  diastolic_bp_morning?: number;
  systolic_bp_evening?: number;
  diastolic_bp_evening?: number;
  heart_rate?: number;
  weight?: number;
  blood_sugar?: number;
  water_intake_ml?: number;
  urine_output_ml?: number;
  notes?: string;
  created_at: string;
  updated_at: string;
  version: number;
}

export interface CreateVitalSignsReq {
  record_date: string;
  systolic_bp_morning?: number;
  diastolic_bp_morning?: number;
  systolic_bp_evening?: number;
  diastolic_bp_evening?: number;
  heart_rate?: number;
  weight?: number;
  blood_sugar?: number;
  water_intake_ml?: number;
  urine_output_ml?: number;
  notes?: string;
}

export interface LabReport {
  id: string;
  patient_id: string;
  report_date: string;
  report_type: string;
  indicators?: Record<string, unknown>;
  image_urls?: string[];
  doctor_interpretation?: string;
  created_at: string;
  updated_at: string;
  version: number;
}

export interface CreateLabReportReq {
  report_date: string;
  report_type: string;
  indicators?: Record<string, unknown>;
  image_urls?: string[];
  doctor_interpretation?: string;
}

export interface HealthRecord {
  id: string;
  patient_id: string;
  record_type: string;
  record_date: string;
  content?: string;
  attachment_urls?: string[];
  created_at: string;
  updated_at: string;
  version: number;
}

export interface CreateHealthRecordReq {
  record_type: string;
  record_date: string;
  content?: string;
  attachment_urls?: string[];
}

export interface TrendData {
  id: string;
  patient_id: string;
  indicator: string;
  trend_data: { date: string; value: number }[];
  generated_at: string;
}

// --- API ---
export const healthDataApi = {
  // Vital Signs
  listVitalSigns: async (
    patientId: string,
    params: { page?: number; page_size?: number },
  ) => {
    const { data } = await client.get<{
      success: boolean;
      data: PaginatedResponse<VitalSigns>;
    }>(`/health/patients/${patientId}/vital-signs`, { params });
    return data.data;
  },

  createVitalSigns: async (patientId: string, req: CreateVitalSignsReq) => {
    const { data } = await client.post<{
      success: boolean;
      data: VitalSigns;
    }>(`/health/patients/${patientId}/vital-signs`, req);
    return data.data;
  },

  updateVitalSigns: async (
    patientId: string,
    id: string,
    req: Partial<CreateVitalSignsReq> & { version: number },
  ) => {
    const { data } = await client.put<{
      success: boolean;
      data: VitalSigns;
    }>(`/health/patients/${patientId}/vital-signs/${id}`, req);
    return data.data;
  },

  deleteVitalSigns: async (patientId: string, id: string) => {
    await client.delete(`/health/patients/${patientId}/vital-signs/${id}`);
  },

  // Lab Reports
  listLabReports: async (
    patientId: string,
    params: { page?: number; page_size?: number },
  ) => {
    const { data } = await client.get<{
      success: boolean;
      data: PaginatedResponse<LabReport>;
    }>(`/health/patients/${patientId}/lab-reports`, { params });
    return data.data;
  },

  createLabReport: async (patientId: string, req: CreateLabReportReq) => {
    const { data } = await client.post<{
      success: boolean;
      data: LabReport;
    }>(`/health/patients/${patientId}/lab-reports`, req);
    return data.data;
  },

  updateLabReport: async (
    patientId: string,
    id: string,
    req: Partial<CreateLabReportReq> & { version: number },
  ) => {
    const { data } = await client.put<{
      success: boolean;
      data: LabReport;
    }>(`/health/patients/${patientId}/lab-reports/${id}`, req);
    return data.data;
  },

  deleteLabReport: async (patientId: string, id: string) => {
    await client.delete(`/health/patients/${patientId}/lab-reports/${id}`);
  },

  // Health Records
  listHealthRecords: async (
    patientId: string,
    params: { page?: number; page_size?: number },
  ) => {
    const { data } = await client.get<{
      success: boolean;
      data: PaginatedResponse<HealthRecord>;
    }>(`/health/patients/${patientId}/health-records`, { params });
    return data.data;
  },

  createHealthRecord: async (
    patientId: string,
    req: CreateHealthRecordReq,
  ) => {
    const { data } = await client.post<{
      success: boolean;
      data: HealthRecord;
    }>(`/health/patients/${patientId}/health-records`, req);
    return data.data;
  },

  updateHealthRecord: async (
    patientId: string,
    id: string,
    req: Partial<CreateHealthRecordReq> & { version: number },
  ) => {
    const { data } = await client.put<{
      success: boolean;
      data: HealthRecord;
    }>(`/health/patients/${patientId}/health-records/${id}`, req);
    return data.data;
  },

  deleteHealthRecord: async (patientId: string, id: string) => {
    await client.delete(`/health/patients/${patientId}/health-records/${id}`);
  },

  // Trends
  listTrends: async (patientId: string) => {
    const { data } = await client.get<{
      success: boolean;
      data: TrendData[];
    }>(`/health/patients/${patientId}/trends`);
    return data.data;
  },

  generateTrend: async (patientId: string) => {
    const { data } = await client.post<{
      success: boolean;
      data: TrendData[];
    }>(`/health/patients/${patientId}/trends/generate`);
    return data.data;
  },

  getIndicatorTimeseries: async (patientId: string, indicator: string) => {
    const { data } = await client.get<{
      success: boolean;
      data: { date: string; value: number }[];
    }>(`/health/patients/${patientId}/trends/${encodeURIComponent(indicator)}`);
    return data.data;
  },

  // Mini program endpoints
  getMiniTrend: async (params: { indicator?: string; days?: number }) => {
    const { data } = await client.get<{
      success: boolean;
      data: { date: string; value: number }[];
    }>('/health/vital-signs/trend', { params });
    return data.data;
  },

  getMiniToday: async () => {
    const { data } = await client.get<{
      success: boolean;
      data: VitalSigns | null;
    }>('/health/vital-signs/today');
    return data.data;
  },
};