import { apiRequest } from "@/lib/api/api-service";
import { ApiResponse } from "@/types/api-response";

/**
 * Spor Toto Service
 * Backend: /api/spor-toto/*
 */

// ========================
// Request DTOs
// ========================

export interface CreateBulletinDto {
  gameCycleNo: number;
  drawDate: string;
  matches: {
    matchId: string;
    homeTeam: string;
    awayTeam: string;
    matchDate: string;
  }[];
}

export interface UpdateResultsDto {
  results: {
    matchIndex: number;
    homeScore: number;
    awayScore: number;
  }[];
}

export interface GenerateColumnsDto {
  selections: { matchIndex: number; picks: ("1" | "X" | "2")[] }[];
  strategy?: "FULL" | "REDUCED";
  maxColumns?: number;
}

export interface EvaluateColumnsDto {
  bulletinId: string;
  columns: string[];
}

export interface GenerateSporTotoPredictionDto {
  bulletinId: string;
  strategy?: "CONSERVATIVE" | "BALANCED" | "AGGRESSIVE" | "FORMULA_6PCT";
}

// ========================
// Response DTOs
// ========================

export interface SporTotoMatchDto {
  id: string;
  matchIndex: number;
  homeTeam: string;
  awayTeam: string;
  matchDate: string;
  result?: string;
  homeScore?: number;
  awayScore?: number;
  prediction?: {
    pick: string;
    confidence: number;
    odds: Record<string, number>;
  };
}

export interface SporTotoBulletinDto {
  id: string;
  gameCycleNo: number;
  drawDate: string;
  status: string;
  matches: SporTotoMatchDto[];
  totalPool?: number;
  dividends?: Record<string, number>;
  createdAt: string;
}

export interface SporTotoStatsDto {
  poolDistribution: Record<string, number>;
  expectedValue: Record<string, number>;
  rolloverAmount: number;
  consecutiveRollovers: number;
}

export interface ColumnGenerationResultDto {
  columns: string[];
  totalCost: number;
  strategy: string;
}

export interface ColumnEvaluationResultDto {
  results: { column: string; correct: number }[];
  summary: Record<string, number>;
}

export interface SporTotoPredictionResultDto {
  bulletin: SporTotoBulletinDto;
  matchAnalysis: Record<string, unknown>;
  systemCoupon: {
    columns: string[];
    cost: number;
  };
  evReport: {
    expectedValue: number;
    playRecommendation: string;
  };
}

export interface RolloverHistoryItemDto {
  bulletinId: string;
  gameCycleNo: number;
  rolloverAmount: number;
  drawDate: string;
}

// ========================
// Service Methods
// ========================

const syncFromApi = () => {
  return apiRequest<ApiResponse<unknown>>({
    url: "/spor-toto/sync",
    client: "core",
    method: "post",
  });
};

const listBulletins = (status?: string, limit?: number) => {
  return apiRequest<ApiResponse<SporTotoBulletinDto[]>>({
    url: "/spor-toto/bulletins",
    client: "core",
    method: "get",
    params: { status, limit },
  });
};

const getBulletinById = (id: string) => {
  return apiRequest<ApiResponse<SporTotoBulletinDto>>({
    url: `/spor-toto/bulletins/${id}`,
    client: "core",
    method: "get",
  });
};

const createBulletin = (dto: CreateBulletinDto) => {
  return apiRequest<ApiResponse<SporTotoBulletinDto>>({
    url: "/spor-toto/bulletins",
    client: "core",
    method: "post",
    data: dto,
  });
};

const updateResults = (id: string, dto: UpdateResultsDto) => {
  return apiRequest<ApiResponse<SporTotoBulletinDto>>({
    url: `/spor-toto/bulletins/${id}/results`,
    client: "core",
    method: "patch",
    data: dto,
  });
};

const getBulletinStats = (id: string) => {
  return apiRequest<ApiResponse<SporTotoStatsDto>>({
    url: `/spor-toto/bulletins/${id}/stats`,
    client: "core",
    method: "get",
  });
};

const getRolloverHistory = (limit?: number) => {
  return apiRequest<ApiResponse<RolloverHistoryItemDto[]>>({
    url: "/spor-toto/history",
    client: "core",
    method: "get",
    params: { limit },
  });
};

const generateColumns = (dto: GenerateColumnsDto) => {
  return apiRequest<ApiResponse<ColumnGenerationResultDto>>({
    url: "/spor-toto/columns/generate",
    client: "core",
    method: "post",
    data: dto,
  });
};

const evaluateColumns = (dto: EvaluateColumnsDto) => {
  return apiRequest<ApiResponse<ColumnEvaluationResultDto>>({
    url: "/spor-toto/columns/evaluate",
    client: "core",
    method: "post",
    data: dto,
  });
};

const generatePrediction = (dto: GenerateSporTotoPredictionDto) => {
  return apiRequest<ApiResponse<SporTotoPredictionResultDto>>({
    url: "/spor-toto/predict",
    client: "core",
    method: "post",
    data: dto,
  });
};

export const sporTotoService = {
  syncFromApi,
  listBulletins,
  getBulletinById,
  createBulletin,
  updateResults,
  getBulletinStats,
  getRolloverHistory,
  generateColumns,
  evaluateColumns,
  generatePrediction,
};