import { create } from 'zustand';

export type TimerPhase = 'work' | 'short_break' | 'long_break';

export interface TimerTickPayload {
  phase: TimerPhase;
  remaining_secs: number;
  total_secs: number;
  session_count: number;
  current_task_id: string | null;
}

interface TimerState {
  phase: TimerPhase;
  remainingSecs: number;
  totalSecs: number;
  running: boolean;
  sessionCount: number;
  currentTaskId: string | null;
  setTimerTick: (payload: TimerTickPayload) => void;
  setRunning: (running: boolean) => void;
}

export const useTimerStore = create<TimerState>((set) => ({
  phase: 'work',
  remainingSecs: 25 * 60,
  totalSecs: 25 * 60,
  running: false,
  sessionCount: 0,
  currentTaskId: null,

  setTimerTick: (payload) =>
    set({
      phase: payload.phase,
      remainingSecs: payload.remaining_secs,
      totalSecs: payload.total_secs,
      sessionCount: payload.session_count,
      currentTaskId: payload.current_task_id,
    }),

  setRunning: (running) => set({ running }),
}));