import type { AdventureItemState, XpSource } from "./types";

export const XP_AWARDS = {
  daily_visit: 5,
  adventure_started: 10,
  adventure_partial: 25,
  adventure_done: 40,
  reflection: 30,
  spiritual_per_check: 5,
  spiritual_daily_cap: 25,
  reading_per_10_pages: 15,
  reading_daily_cap: 60,
  exercise: 50,
  exploration: 100,
  weekly_review: 150,
  rest_day: 15,
  book_complete: 200,
} as const;

export const DAILY_SOFT_CAPS: Partial<Record<XpSource, number>> = {
  adventure_item: 200,
  spiritual: 25,
  reading: 60,
};

export function xpForAdventureState(state: AdventureItemState): number {
  switch (state) {
    case "started":
      return XP_AWARDS.adventure_started;
    case "partial":
      return XP_AWARDS.adventure_partial;
    case "done":
      return XP_AWARDS.adventure_done;
    default:
      return 0;
  }
}

export function applyDiminishingReturns(
  amount: number,
  earnedToday: number,
  softCap: number
): number {
  if (earnedToday >= softCap) {
    return Math.floor(amount * 0.25);
  }
  if (earnedToday + amount > softCap) {
    const atFull = softCap - earnedToday;
    const over = amount - atFull;
    return atFull + Math.floor(over * 0.25);
  }
  return amount;
}

export function xpForReadingPages(pages: number): number {
  return Math.floor(pages / 10) * XP_AWARDS.reading_per_10_pages;
}