'use client';

import { AgentStreamPanel } from './agent-stream-panel';
import { AlertTriangle, CheckCircle2, CircleDashed } from 'lucide-react';

interface CriterionScore {
  criterion_id: string;
  name: string;
  score: number;
  evidence: string;
}

interface RubricScore {
  rubric_id: string;
  artifact_id: string;
  competency_id: string;
  scores: CriterionScore[];
  strengths: string[];
  gaps: string[];
  verdict: string;
}

/**
 * Assessment surface — Assessor rubric output (structured JSON) +
 * Proctor integrity banner. Mock engine inputs; real engines v0.3+.
 */
export function AssessorResultsPanel({ artifactId }: { artifactId: string }) {
  return (
    <AgentStreamPanel
      title="Assessor — rubric evaluation"
      endpoint="/v1/assessment/evaluate"
      body={{ artifact_id: artifactId }}
      emptyHint="Run the Assessor to grade this artifact against its rubric."
      renderJson={(data) => {
        const score = data as unknown as RubricScore;
        return (
          <div className="flex flex-col gap-4">
            <div className="flex items-center gap-2">
              {score.verdict === 'mastered' ? (
                <CheckCircle2 className="h-5 w-5 text-emerald-600 dark:text-emerald-400" />
              ) : score.verdict === 'developing' ? (
                <CircleDashed className="h-5 w-5 text-amber-600 dark:text-amber-400" />
              ) : (
                <AlertTriangle className="h-5 w-5 text-red-600 dark:text-red-400" />
              )}
              <span className="text-sm font-semibold capitalize text-slate-900 dark:text-slate-100">
                {score.verdict}
              </span>
            </div>

            <div className="flex flex-col gap-3">
              {score.scores.map((c) => (
                <div key={c.criterion_id}>
                  <div className="mb-1 flex items-center justify-between text-xs">
                    <span className="font-medium text-slate-700 dark:text-slate-300">{c.name}</span>
                    <span className="text-slate-500 dark:text-slate-400">{c.score}/100</span>
                  </div>
                  <div className="h-2 overflow-hidden rounded-full bg-slate-200 dark:bg-slate-700">
                    <div
                      className="h-full rounded-full bg-primary-500 transition-all"
                      style={{ width: `${c.score}%` }}
                      role="progressbar"
                      aria-valuenow={c.score}
                      aria-valuemin={0}
                      aria-valuemax={100}
                      aria-label={c.name}
                    />
                  </div>
                  <p className="mt-1 text-xs text-slate-500 dark:text-slate-400">{c.evidence}</p>
                </div>
              ))}
            </div>

            <div className="grid grid-cols-1 gap-3 sm:grid-cols-2">
              <div>
                <h4 className="mb-1 text-xs font-semibold uppercase tracking-wide text-emerald-700 dark:text-emerald-400">
                  Strengths
                </h4>
                <ul className="list-inside list-disc text-xs text-slate-600 dark:text-slate-300">
                  {score.strengths.map((s) => (
                    <li key={s}>{s}</li>
                  ))}
                </ul>
              </div>
              <div>
                <h4 className="mb-1 text-xs font-semibold uppercase tracking-wide text-amber-700 dark:text-amber-400">
                  Gaps
                </h4>
                <ul className="list-inside list-disc text-xs text-slate-600 dark:text-slate-300">
                  {score.gaps.map((g) => (
                    <li key={g}>{g}</li>
                  ))}
                </ul>
              </div>
            </div>
          </div>
        );
      }}
    />
  );
}