"use client";

import { ScoreBar } from "@/components/ScoreBar";
import { AccessibilityBadge } from "@/components/AccessibilityBadge";
import { VisaSponsorshipNote } from "@/components/VisaSponsorshipNote";
import { isScoreResult, type ScoreResult } from "@/lib/types";

function verdictStyle(verdict: ScoreResult["verdict"]): { color: string; bg: string } {
  if (verdict === "Strong Match") return { color: "#1D9E75", bg: "#E1F5EE" };
  if (verdict === "Possible") return { color: "#BA7517", bg: "#FAEEDA" };
  return { color: "#E24B4A", bg: "#FCEBEB" };
}

function safeBarScore(n: unknown): number {
  return typeof n === "number" && Number.isFinite(n) ? n : 0;
}

/** Two-stage session + profile bars (above standard dimensions). */
export function TwoStageSessionProfileScoreRows({ result }: { result: ScoreResult }) {
  if (!result.session_fit || !result.profile_fit) return null;
  return (
    <>
      <div>
        <div
          style={{
            display: "flex",
            justifyContent: "space-between",
            marginBottom: 4,
            gap: 8,
          }}
        >
          <span style={{ fontSize: 12, color: "var(--muted, #666)" }}>Search fit</span>
        </div>
        <ScoreBar
          score={safeBarScore(result.session_fit.score)}
          reason={typeof result.session_fit.reason === "string" ? result.session_fit.reason : undefined}
        />
      </div>
      <div>
        <div
          style={{
            display: "flex",
            justifyContent: "space-between",
            marginBottom: 4,
            gap: 8,
          }}
        >
          <span style={{ fontSize: 12, color: "var(--muted, #666)" }}>Profile fit</span>
        </div>
        <ScoreBar
          score={safeBarScore(result.profile_fit.score)}
          reason={typeof result.profile_fit.reason === "string" ? result.profile_fit.reason : undefined}
        />
      </div>
    </>
  );
}

export function BatchStyleScoreBreakdown({ result }: { result: ScoreResult }) {
  if (!isScoreResult(result)) {
    return (
      <p className="muted" style={{ marginTop: 8, fontSize: 12 }}>
        Stored score is incomplete.
      </p>
    );
  }
  const verdict =
    result.verdict === "Strong Match" || result.verdict === "Possible" || result.verdict === "Skip"
      ? result.verdict
      : "Skip";
  const { color, bg } = verdictStyle(verdict);
  const dims = [
    { label: "Role & skill fit", key: "role_fit" as const },
    { label: "Global remote", key: "global_remote" as const },
    { label: "Async culture", key: "culture_async" as const },
    { label: "Contractor friendly", key: "contractor_friendly" as const },
  ];
  return (
    <div style={{ display: "flex", flexDirection: "column", gap: 10, marginTop: 8 }}>
      <div
        style={{
          display: "flex",
          alignItems: "center",
          gap: 10,
          padding: "10px 12px",
          background: bg,
          borderRadius: 10,
          border: `0.5px solid ${color}55`,
        }}
      >
        <span style={{ fontSize: 14, fontWeight: 600, color }}>{verdict}</span>
        <span style={{ fontSize: 12, color: "#555", flex: 1, lineHeight: 1.35 }}>
          {typeof result.verdict_reason === "string" ? result.verdict_reason : ""}
        </span>
      </div>
      <AccessibilityBadge assessment={result.accessibility} />
      <VisaSponsorshipNote assessment={result.accessibility} />
      <div
        style={{
          background: "var(--surface, #fff)",
          border: "0.5px solid var(--hairline, #e0e0e0)",
          borderRadius: 10,
          padding: "10px 12px",
          display: "flex",
          flexDirection: "column",
          gap: 12,
        }}
      >
        <TwoStageSessionProfileScoreRows result={result} />
        {dims.map((d) => {
          const dim = result[d.key];
          return (
            <div key={d.key}>
              <div
                style={{
                  display: "flex",
                  justifyContent: "space-between",
                  marginBottom: 4,
                  gap: 8,
                }}
              >
                <span style={{ fontSize: 12, color: "var(--muted, #666)" }}>{d.label}</span>
              </div>
              <ScoreBar
                score={safeBarScore(dim?.score)}
                reason={typeof dim?.reason === "string" ? dim.reason : undefined}
              />
            </div>
          );
        })}
        {result.semantic_score &&
        typeof result.semantic_score === "object" &&
        result.semantic_score !== null ? (
          <div>
            <div
              style={{
                display: "flex",
                justifyContent: "space-between",
                marginBottom: 4,
              }}
            >
              <span style={{ fontSize: 12, color: "var(--muted, #666)" }}>Semantic match</span>
            </div>
            <ScoreBar
              score={safeBarScore(result.semantic_score.score)}
              reason={
                typeof result.semantic_score.reason === "string"
                  ? result.semantic_score.reason
                  : undefined
              }
            />
          </div>
        ) : null}
      </div>
    </div>
  );
}