'use client';

import { Button } from '@/components/ui/button';
import { Progress } from '@/components/ui/progress';
import { BookOpen, X } from 'lucide-react';
import { useGameContext } from '../GameContext';
import { formatStudyTime } from '../types';
import { SKILLS_DEF, SPELLS_DEF } from '@/lib/game/constants';

interface StudyProgressProps {
  target: NonNullable<ReturnType<typeof useGameContext>['store']['currentStudyTarget']>;
  showCancel?: boolean;
  speedLabel?: string;
}

export function StudyProgress({ target, showCancel = true, speedLabel }: StudyProgressProps) {
  const { store, studySpeedMult } = useGameContext();

  const progressPct = Math.min(100, (target.progress / target.required) * 100);
  const isSkill = target.type === 'skill';
  const def = isSkill ? SKILLS_DEF[target.id] : SPELLS_DEF[target.id];
  const currentLevel = isSkill ? store.skills[target.id] || 0 : 0;

  const handleCancel = () => {
    // Calculate retention bonus from knowledge retention skill
    const retentionBonus = 0.2 * (store.skills.knowledgeRetention || 0);
    store.cancelStudy(retentionBonus);
  };

  return (
    <div className="p-3 rounded border border-purple-600/50 bg-purple-900/20">
      <div className="flex items-center justify-between mb-2">
        <div className="flex items-center gap-2">
          <BookOpen className="w-4 h-4 text-purple-400" />
          <span className="text-sm font-semibold text-purple-300">
            {def?.name}
            {isSkill && ` Lv.${currentLevel + 1}`}
          </span>
        </div>
        {showCancel && (
          <Button
            variant="ghost"
            size="sm"
            className="h-6 w-6 p-0 text-gray-400 hover:text-white"
            onClick={handleCancel}
          >
            <X className="w-4 h-4" />
          </Button>
        )}
      </div>
      <Progress value={progressPct} className="h-2 bg-gray-800" />
      <div className="flex justify-between text-xs text-gray-400 mt-1">
        <span>
          {formatStudyTime(target.progress)} / {formatStudyTime(target.required)}
        </span>
        <span>{speedLabel ?? `${studySpeedMult.toFixed(1)}x speed`}</span>
      </div>
    </div>
  );
}

StudyProgress.displayName = "StudyProgress";