'use client';

import { calculateSelfControlResults } from '../../test/private/SelfControlCalculator';

interface SelfControlResultProps {
  answers: string[];
}

const levelText = {
  low: '自控力偏低',
  moderate: '自控力中等',
  high: '自控力较高',
};

const levelDescription = {
  low: '你可能比较容易受到诱惑、情绪或即时满足影响。比起责备自己，更有效的方向通常是减少诱因、降低开始成本，并把计划拆得更具体。',
  moderate: '你具备一定的自控能力，但在压力、疲劳或诱惑较强的场景中可能会波动。环境设计和习惯系统会很有帮助。',
  high: '你通常能较好地管理冲动、抵抗诱惑并推进计划。继续注意休息和目标弹性，能避免把自律变成过度紧绷。',
};

function width(value: number) {
  return `${Math.max(0, Math.min(100, ((value - 1) / 4) * 100))}%`;
}

export function SelfControlResult({ answers }: SelfControlResultProps) {
  const results = calculateSelfControlResults(answers);

  return (
    <div className="mt-6 space-y-6">
      <div className="border bg-white p-6 shadow-sm">
        <h3 className="text-lg font-semibold mb-4">自控力量表结果</h3>
        <div className="grid grid-cols-1 gap-4 md:grid-cols-3">
          <MetricCard title="总分" value={`${results.total}/65`} />
          <MetricCard title="平均分" value={`${results.average.toFixed(2)}/5`} />
          <MetricCard title="结果水平" value={levelText[results.level]} />
        </div>
      </div>

      <div className="grid grid-cols-1 gap-4 md:grid-cols-2">
        <BarCard title="冲动管理" value={results.impulseAverage} />
        <BarCard title="计划执行" value={results.executionAverage} />
      </div>

      <div className="border bg-blue-50 p-6 text-blue-900 shadow-sm">
        <h3 className="text-lg font-semibold mb-3">结果解释</h3>
        <p className="text-sm">{levelDescription[results.level]}</p>
      </div>

      <div className="border bg-gray-50 p-4 text-sm text-gray-700">
        注：自控力会受睡眠、压力、环境和任务设计影响。结果适合用于自我观察，不应作为能力或人格优劣判断。
      </div>
    </div>
  );
}

interface MetricCardProps {
  title: string;
  value: string;
}

function MetricCard({ title, value }: MetricCardProps) {
  return (
    <div className="rounded-lg bg-gray-50 p-4 text-center">
      <div className="text-sm text-muted-foreground">{title}</div>
      <div className="mt-1 text-2xl font-semibold text-indigo-600">
        {value}
      </div>
    </div>
  );
}

function BarCard({ title, value }: { title: string; value: number }) {
  return (
    <div className="rounded-lg border bg-white p-5 shadow-sm">
      <div className="mb-3 flex items-center justify-between">
        <h4 className="font-semibold">{title}</h4>
        <span className="text-sm text-muted-foreground">
          {value.toFixed(2)} / 5
        </span>
      </div>
      <div className="h-2 overflow-hidden rounded-full bg-gray-100">
        <div
          className="h-full rounded-full bg-emerald-500"
          style={{ width: width(value) }}
        />
      </div>
    </div>
  );
}