import request from './request';

export type RoiCategory = 'cash_cow' | 'efficiency_tool' | 'moat' | 'composite';
export type BizSystem = 'airhubs' | 'airflow' | 'aircore';
export type ProjectType = 'hardware' | 'software';
export type Confidence = 'high' | 'medium' | 'low';

export interface AggregateResult {
  projectId: string;
  from: string;
  to: string;
  totalCost: number;
  totalRevenue: number;
  netProfit: number;
  roiValue: number | null;
  confidence: Confidence;
  bepDays: number | null;
  costBreakdown: Record<string, number>;
  revenueBreakdown: Record<string, number>;
  costEventCount: number;
  revenueEventCount: number;
}

export interface TimeseriesBucket {
  bucket: string;
  cost: number;
  revenue: number;
  net: number;
  cumulativeCost: number;
  cumulativeRevenue: number;
  cumulativeRoi: number | null;
}

export interface DashboardResult {
  from: string;
  to: string;
  summary: {
    totalCost: number;
    totalRevenue: number;
    netProfit: number;
    roiValue: number | null;
    projectCount: number;
  };
  byCategory: Record<string, { totalCost: number; totalRevenue: number; netProfit: number; projectCount: number }>;
  projects: Array<{
    projectId: string;
    name: string;
    identifier: string;
    category: RoiCategory | null;
    totalCost: number;
    totalRevenue: number;
    roiValue: number | null;
    confidence: Confidence;
  }>;
}

export interface TagSuggestion {
  suggestedCategory: RoiCategory;
  suggestedBizSystem: BizSystem;
  suggestedProjectType: ProjectType;
  confidence: number;
  reasoning: string;
}

export interface Strategy {
  id: string;
  category: RoiCategory;
  name: string;
  formulaKey: string;
  params: {
    hourlyRate: number;
    amortYears?: number;
    commitHourCoef: number;
    taskHourCoef: number;
  };
  updatedAt: string;
}

export interface DriverFactor {
  type: '现金流驱动' | '降本增效驱动' | '技术资产驱动';
  text: string;
}

// ── 核心聚合 ──
export const aggregateRoi = (projectId: string, from: string, to: string) =>
  request.get<{ code: number; data: AggregateResult }>(`/api/roi/aggregate`, { params: { projectId, from, to } });

export const timeseriesRoi = (projectId: string, from: string, to: string, granularity: 'day' | 'week' | 'month' | 'year' = 'month') =>
  request.get<{ code: number; data: TimeseriesBucket[] }>(`/api/roi/timeseries`, { params: { projectId, from, to, granularity } });

export const fetchDashboard = (from: string, to: string) =>
  request.get<{ code: number; data: DashboardResult }>(`/api/roi/dashboard`, { params: { from, to } });

// ── 事件流 ──
export const createCostEvent = (projectId: string, payload: any) =>
  request.post(`/api/projects/${projectId}/cost-events`, payload);

export const createRevenueEvent = (projectId: string, payload: any) =>
  request.post(`/api/projects/${projectId}/revenue-events`, payload);

export const listEvents = (projectId: string, type: 'cost' | 'revenue', from?: string, to?: string, limit = 100) =>
  request.get(`/api/projects/${projectId}/events`, { params: { type, from, to, limit } });

export const deleteEvent = (projectId: string, eventId: string, type: 'cost' | 'revenue') =>
  request.delete(`/api/projects/${projectId}/events/${eventId}`, { params: { type } });

// ── 策略 ──
export const fetchStrategies = () =>
  request.get<{ code: number; data: Strategy[] }>(`/api/roi/strategies`);

export const updateStrategy = (id: string, params: any) =>
  request.patch(`/api/roi/strategies/${id}`, { params });

// ── 打标 ──
export interface TagPayload {
  category: RoiCategory;
  compositeStrategies?: ('cash_cow' | 'efficiency_tool' | 'moat')[] | null;
  bizSystem?: BizSystem | null;
  projectType?: ProjectType | null;
  ownerId?: string | null;
  launchedAt?: string | null;
  vAsset?: number | null;
  tags?: string[] | null;
}
export const tagProject = (projectId: string, payload: TagPayload) =>
  request.post(`/api/projects/${projectId}/tag`, payload);

export const suggestTag = (projectId: string) =>
  request.post<{ code: number; data: TagSuggestion }>(`/api/projects/${projectId}/suggest-tag`, undefined, { timeout: 60000 });

// ── 项目映射 ──
export const listMapping = () => request.get(`/api/roi/mapping`);
export const createMapping = (payload: any) => request.post(`/api/roi/mapping`, payload);
export const deleteMapping = (id: string) => request.delete(`/api/roi/mapping/${id}`);
export const listUnmapped = () => request.get(`/api/roi/unmapped`);

// ── 驱动因子 ──
export const fetchDriverFactors = (projectId: string, periodKey?: string) =>
  request.get(`/api/projects/${projectId}/driver-factors`, { params: { periodKey } });