// ===== demos/effects/fui-hud-moves/LineUnfoldPanel.tsx =====
// line-unfold-panel —— 一线展面（Jarvis/FUI 母题）
// 暗底。入场两拍：3px 细线从中点向两侧极快抽出（5f）→ 定宽后纵向
// 撑开成 Card 面板（9f，out 缓动）→ 内容延迟淡入。
// 静置展示后反向退场：压扁成线（7f）→ 线缩成点 → 熄灭，像老 CRT 关机。
// f0–12 空场静置；入场 f12–34；持面板至 f78；退场 f78–98；末静止 ≥42f（140f）。
import React from 'react';
import { useCurrentFrame, interpolate, Easing } from 'remotion';
import { G, Card } from '../../_fixtures/Fixtures';

const PANEL_W = 760;
const PANEL_H = 460;
const CX = 960;
const CY = 540;

// —— 入场时间表 ——
const T0 = 12; // 点亮起点
const LINE_END = T0 + 5; // 线抽出完成 f17
const UNFOLD_END = LINE_END + 9; // 面板撑开完成 f26
const CONTENT_END = UNFOLD_END + 8; // 内容淡入完成 f34

// —— 退场时间表 ——
const OUT0 = 78; // 开始压扁
const COLLAPSE_END = OUT0 + 7; // 压成线 f85
const SHRINK_END = COLLAPSE_END + 6; // 线缩成点 f91
const OFF = SHRINK_END + 4; // 点熄灭 f95

const clamp = { extrapolateLeft: 'clamp' as const, extrapolateRight: 'clamp' as const };

export const LineUnfoldPanel: React.FC = () => {
  const frame = useCurrentFrame();

  // 入场：scaleX（线抽出）快进快停，入场后保持 1
  const inSX = interpolate(frame, [T0, LINE_END], [0.004, 1], {
    easing: Easing.out(Easing.poly(4)),
    ...clamp,
  });
  // 入场：scaleY（纵向撑开），线阶段压在 3px
  const inSY = interpolate(frame, [LINE_END, UNFOLD_END], [3 / PANEL_H, 1], {
    easing: Easing.out(Easing.cubic),
    ...clamp,
  });
  // 内容淡入（面板撑开过半才开始）
  const contentOp = interpolate(frame, [UNFOLD_END - 3, CONTENT_END], [0, 1], {
    easing: Easing.out(Easing.quad),
    ...clamp,
  });

  // 退场：先压 Y 回线，再缩 X 回点
  const outSY = interpolate(frame, [OUT0, COLLAPSE_END], [1, 3 / PANEL_H], {
    easing: Easing.in(Easing.cubic),
    ...clamp,
  });
  const outSX = interpolate(frame, [COLLAPSE_END, SHRINK_END], [1, 0.004], {
    easing: Easing.in(Easing.poly(4)),
    ...clamp,
  });
  // 内容在压扁前先撤
  const contentOutOp = interpolate(frame, [OUT0 - 4, OUT0 + 2], [1, 0], clamp);

  const sx = frame < OUT0 ? inSX : outSX;
  const sy = frame < OUT0 ? inSY : outSY;

  // 末点熄灭：opacity 快落。f >= OFF 后整个元素条件卸载 → 真静止
  const dotOp = interpolate(frame, [SHRINK_END, OFF], [1, 0], {
    easing: Easing.in(Easing.quad),
    ...clamp,
  });

  const alive = frame >= T0 && frame < OFF;
  // 面板阶段（sy 足够大）显示卡片内容；线/点阶段显示发光条
  const isPanel = sy > 0.15;

  return (
    <div style={{ width: 1920, height: 1080, background: '#1c1c1b', overflow: 'hidden', position: 'relative' }}>
      <div
        style={{
          position: 'absolute',
          top: 120,
          width: '100%',
          textAlign: 'center',
          fontFamily: 'Helvetica, Arial, sans-serif',
          fontWeight: 800,
          fontSize: 52,
          color: G.mid,
          letterSpacing: 2,
        }}
      >
        LINE UNFOLD PANEL
      </div>
      {alive && (
        <div
          style={{
            position: 'absolute',
            left: CX - PANEL_W / 2,
            top: CY - PANEL_H / 2,
            width: PANEL_W,
            height: PANEL_H,
            transform: `scaleX(${sx}) scaleY(${sy})`,
            transformOrigin: '50% 50%',
            opacity: dotOp,
          }}
        >
          {isPanel ? (
            <>
              <Card w={PANEL_W} h={PANEL_H} seed={3} style={{ border: `2px solid ${G.mid}`, boxShadow: '0 0 40px rgba(255,255,255,0.18)' }} />
              {/* 内容层单独控 opacity：盖一层暗板模拟"内容未亮" */}
              <div
                style={{
                  position: 'absolute',
                  inset: 2,
                  borderRadius: 12,
                  background: G.card,
                  opacity: 1 - Math.min(contentOp, contentOutOp),
                }}
              />
            </>
          ) : (
            // 线/点阶段：白色发光条填满整个盒（被 scale 压成线）
            <div style={{ width: '100%', height: '100%', background: '#ffffff', boxShadow: '0 0 60px rgba(255,255,255,0.9)', borderRadius: 2 }} />
          )}
        </div>
      )}
    </div>
  );
};


// ===== demos/effects/fui-hud-moves/ReticleLockOn.tsx =====
// reticle-lock-on —— 准星咬合（钢铁侠 HUD / 安德的游戏）
// FakeDashboard 静置。四个 L 形角标组成的取景框从画外飞入（大框），
// 超调回弹后收缩贴紧目标卡片四角"咔"地咬合定格；咬合帧卡片微亮 +
// 旁弹一行小标签。画面不冻结，是运动中的捕获。
// f0–14 面板静置；f14–24 飞入；f24–46 收缩（含过冲回弹）；f46 咬合；
// 标签 f46–56 弹出；f56 后真静止 ≥84f（140f 总长）。
import React from 'react';
import { useCurrentFrame, interpolate, Easing } from 'remotion';
import { G, FakeDashboard } from '../../_fixtures/Fixtures';

// 目标：variant A 网格第 2 张卡（第一行中间）。
// 布局推导：侧栏 220 + padding 36，网格 3 列 gap 28，
// 内容区宽 1700-72=1628 → 卡宽 (1628-56)/3 ≈ 524，卡高 (1080-72-72-28)/2 ≈ 454...
// 实测近似：目标框取第一行中间卡的外接矩形（含少量呼吸边距）。
const CARD_X = 220 + 36 + 524 + 28; // ≈ 808
const CARD_Y = 72 + 36; // 108
const CARD_W = 524;
const CARD_H = 425;
const PAD = 14; // 咬合后角标与卡的呼吸距

const TCX = CARD_X + CARD_W / 2;
const TCY = CARD_Y + CARD_H / 2;

const FLY_IN = 14; // 飞入开始
const FLY_END = 24; // 飞入结束（大框就位）
const LOCK_END = 46; // 咬合帧
const LABEL_END = 56;

const ARM = 56; // L 臂长
const THICK = 10; // L 粗

const clamp = { extrapolateLeft: 'clamp' as const, extrapolateRight: 'clamp' as const };

export const ReticleLockOn: React.FC = () => {
  const frame = useCurrentFrame();

  // 飞入：整框从右下画外冲进来，同时是个放大 2.2× 的大框
  const flyT = interpolate(frame, [FLY_IN, FLY_END], [0, 1], {
    easing: Easing.out(Easing.cubic),
    ...clamp,
  });
  const flyDX = (1 - flyT) * 1100;
  const flyDY = (1 - flyT) * 620;

  // 收缩咬合：半宽/半高从 2.2× 收到贴紧，带超调（收过头 6% 再弹回）
  const shrink = interpolate(
    frame,
    [FLY_END, LOCK_END - 8, LOCK_END - 3, LOCK_END],
    [2.2, 1.06, 0.94, 1],
    { easing: Easing.inOut(Easing.cubic), ...clamp },
  );
  const hw = (CARD_W / 2 + PAD) * shrink;
  const hh = (CARD_H / 2 + PAD) * shrink;

  // 咬合帧：卡片微亮（一层白色 overlay 快闪后停在 0.28）
  const glow = interpolate(frame, [LOCK_END, LOCK_END + 3, LOCK_END + 10], [0, 0.55, 0.28], clamp);

  // 标签：咬合后从角标右上弹出（scaleX 展开 + 淡入）
  const labelT = interpolate(frame, [LOCK_END + 2, LABEL_END], [0, 1], {
    easing: Easing.out(Easing.back(1.8)),
    ...clamp,
  });

  const showReticle = frame >= FLY_IN;
  const locked = frame >= LOCK_END;

  // 四个 L 角：位置 = 中心 ± (hw, hh)，各自镜像
  const corners = [
    { x: TCX - hw, y: TCY - hh, sx: 1, sy: 1 },
    { x: TCX + hw, y: TCY - hh, sx: -1, sy: 1 },
    { x: TCX - hw, y: TCY + hh, sx: 1, sy: -1 },
    { x: TCX + hw, y: TCY + hh, sx: -1, sy: -1 },
  ];

  return (
    <div style={{ width: 1920, height: 1080, background: G.bg, overflow: 'hidden', position: 'relative' }}>
      <FakeDashboard variant="A" />
      {/* 咬合微亮层：条件渲染，锁定前不存在 */}
      {locked && (
        <div
          style={{
            position: 'absolute',
            left: CARD_X,
            top: CARD_Y,
            width: CARD_W,
            height: CARD_H,
            borderRadius: 14,
            background: '#ffffff',
            opacity: glow,
            pointerEvents: 'none',
          }}
        />
      )}
      {showReticle && (
        <div style={{ position: 'absolute', left: 0, top: 0, transform: `translate(${flyDX}px, ${flyDY}px)` }}>
          {corners.map((c, i) => (
            <div
              key={i}
              style={{
                position: 'absolute',
                left: c.x,
                top: c.y,
                transform: `scale(${c.sx}, ${c.sy})`,
                transformOrigin: '0 0',
              }}
            >
              {/* L 形角标：横臂 + 竖臂 */}
              <div style={{ position: 'absolute', left: 0, top: 0, width: ARM, height: THICK, background: G.ink }} />
              <div style={{ position: 'absolute', left: 0, top: 0, width: THICK, height: ARM, background: G.ink }} />
            </div>
          ))}
          {/* 小标签：右上角标外侧弹出 */}
          {frame >= LOCK_END + 2 && (
            <div
              style={{
                position: 'absolute',
                left: TCX + hw + 18,
                top: TCY - hh - 6,
                transform: `scale(${labelT})`,
                transformOrigin: '0 50%',
                background: G.ink,
                color: '#fff',
                fontFamily: 'Helvetica, Arial, sans-serif',
                fontWeight: 700,
                fontSize: 26,
                padding: '10px 18px',
                borderRadius: 8,
                whiteSpace: 'nowrap',
                opacity: Math.min(1, labelT * 1.5),
              }}
            >
              TARGET · CARD_02
            </div>
          )}
        </div>
      )}
    </div>
  );
};