// ===== demos/effects/light-play-moves/HalationBloom.tsx =====
// halation-bloom —— 高光晕染
// 深灰底大白字 "10x" crash-zoom 急停入场（2.4→1，7f in-quad + 2f 回弹）。
// 撞停帧起：底层复制文字（blur+提亮的白色晕层）猛涨一圈（scale 1→1.3，6f out-cubic 扩散），
// 再 20f 线性回落到 0.35 驻留柔晕（扩散/消散解耦判例），随后 15f 缓收到 0.22 稳态。
// 深底白字：白底上提亮不可见判例。收尾真静止 ≥40f。
import React from 'react';
import { useCurrentFrame, interpolate, Easing } from 'remotion';

const BG = '#2a2a28';
const WHITE = '#f7f7f5';
const MID = '#8f8f8d';

// —— 时间轴（30fps）——
const ZOOM_START = 8; // 入场起始
const IMPACT = 15; // 撞停帧（7f 急速缩入）
const REBOUND_END = 17; // 2f 回弹
const POP_END = IMPACT + 6; // 晕层猛涨 6f → f21
const FALL_END = POP_END + 20; // 20f 线性回落 → f41
const SETTLE_END = FALL_END + 15; // 15f 缓收 → f56，此后全静止
// 总时长 145f → 静止 89f ≥ 40f

const TextBlock: React.FC<{ color: string }> = ({ color }) => (
  <div
    style={{
      fontFamily: 'Helvetica, Arial, sans-serif',
      fontSize: 260,
      fontWeight: 800,
      color,
      letterSpacing: '-0.02em',
      lineHeight: 1,
      whiteSpace: 'nowrap',
    }}
  >
    10x
  </div>
);

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

  // —— crash-zoom 入场：scale 2.4 → 0.94（7f in-quad 加速撞停）→ 1（2f 回弹）——
  const zoomIn = interpolate(frame, [ZOOM_START, IMPACT], [2.4, 0.94], {
    easing: Easing.in(Easing.quad),
    extrapolateLeft: 'clamp',
    extrapolateRight: 'clamp',
  });
  const rebound = interpolate(frame, [IMPACT, REBOUND_END], [0.94, 1], {
    easing: Easing.out(Easing.quad),
    extrapolateLeft: 'clamp',
    extrapolateRight: 'clamp',
  });
  const textScale = frame < IMPACT ? zoomIn : rebound;
  const textOpacity = interpolate(frame, [ZOOM_START, ZOOM_START + 3], [0, 1], {
    extrapolateLeft: 'clamp',
    extrapolateRight: 'clamp',
  });

  // —— 晕层：撞停帧起条件挂载 ——
  // 扩散（scale）：out-cubic，6f 猛涨 1 → 1.3
  const bloomScale = interpolate(frame, [IMPACT, POP_END], [1, 1.3], {
    easing: Easing.out(Easing.cubic),
    extrapolateLeft: 'clamp',
    extrapolateRight: 'clamp',
  });
  // 消散（opacity）：与扩散解耦——猛涨段保持全亮，随后 20f 线性回落到 0.35
  const bloomFall = interpolate(frame, [POP_END, FALL_END], [1, 0.35], {
    extrapolateLeft: 'clamp',
    extrapolateRight: 'clamp',
  });
  // 驻留晕 15f 缓收到 0.22 稳态
  const bloomSettle = interpolate(frame, [FALL_END, SETTLE_END], [0.35, 0.22], {
    easing: Easing.out(Easing.quad),
    extrapolateLeft: 'clamp',
    extrapolateRight: 'clamp',
  });
  const bloomOpacity = frame < FALL_END ? bloomFall : bloomSettle;

  return (
    <div
      style={{
        width: 1920,
        height: 1080,
        background: BG,
        position: 'relative',
        overflow: 'hidden',
      }}
    >
      {/* 小标签，全程静态 */}
      <div
        style={{
          position: 'absolute',
          top: 110,
          width: '100%',
          textAlign: 'center',
          fontFamily: 'Helvetica, Arial, sans-serif',
          fontSize: 30,
          fontWeight: 700,
          letterSpacing: '0.35em',
          color: MID,
        }}
      >
        HALATION BLOOM
      </div>

      {/* 晕层：文字复制底层，blur + 提亮，撞停帧起条件挂载 */}
      {frame >= IMPACT && (
        <div
          style={{
            position: 'absolute',
            inset: 0,
            display: 'flex',
            alignItems: 'center',
            justifyContent: 'center',
            transform: `scale(${bloomScale})`,
            opacity: bloomOpacity,
            filter: 'blur(22px) brightness(1.8)',
          }}
        >
          <TextBlock color={WHITE} />
        </div>
      )}

      {/* 本体文字：crash-zoom 急停 */}
      <div
        style={{
          position: 'absolute',
          inset: 0,
          display: 'flex',
          alignItems: 'center',
          justifyContent: 'center',
          transform: `scale(${textScale})`,
          opacity: textOpacity,
        }}
      >
        <TextBlock color={WHITE} />
      </div>
    </div>
  );
};


// ===== demos/effects/light-play-moves/SheenSweepRetry.tsx =====
// sheen-sweep-retry —— 单点扫光（高标准重试）
// 深墨大卡居中，一道 45° 高光带在 40–68f 从左外扫到右外，仅此一次。
// 约束：单点(只扫主角卡)、圆角裁剪(overflow hidden)、扫前扫后完全静止。
import React from 'react';
import { useCurrentFrame, interpolate, Easing } from 'remotion';
import { G } from '../../_fixtures/Fixtures';

const CARD_W = 760;
const CARD_H = 420;
const SHEEN_W = CARD_W * 1.6; // 1216

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

  // 扫光：40–68f，从卡左外(-SHEEN_W)扫到卡右外(CARD_W)，inOut(cubic)，只一次
  const sweepActive = frame >= 40 && frame <= 68;
  const x = interpolate(frame, [40, 68], [-SHEEN_W, CARD_W], {
    easing: Easing.inOut(Easing.cubic),
    extrapolateLeft: 'clamp',
    extrapolateRight: 'clamp',
  });

  return (
    <div
      style={{
        width: 1920,
        height: 1080,
        background: G.bg,
        display: 'flex',
        alignItems: 'center',
        justifyContent: 'center',
        fontFamily: 'Helvetica, Arial, sans-serif',
      }}
    >
      <div
        style={{
          width: CARD_W,
          height: CARD_H,
          background: G.side,
          borderRadius: 24,
          overflow: 'hidden', // 圆角裁剪：高光带被卡的圆角裁住
          position: 'relative',
          boxShadow: '0 12px 40px rgba(0,0,0,0.22)',
          boxSizing: 'border-box',
          padding: '64px 72px',
          display: 'flex',
          flexDirection: 'column',
          justifyContent: 'center',
          gap: 28,
        }}
      >
        <div
          style={{
            fontSize: 130,
            fontWeight: 800,
            color: '#f5f5f3',
            letterSpacing: 2,
            lineHeight: 1,
          }}
        >
          PRO
        </div>
        <div style={{ height: 16, width: 380, background: G.sideBar, borderRadius: 8 }} />
        <div style={{ height: 16, width: 260, background: G.sideBar, borderRadius: 8 }} />

        {/* 高光带：条件挂载，扫完即摘罩，收尾真静止 */}
        {sweepActive && (
          <div
            style={{
              position: 'absolute',
              top: 0,
              left: 0,
              width: SHEEN_W,
              height: CARD_H,
              transform: `translateX(${x}px)`,
              background:
                'linear-gradient(115deg, transparent 42%, rgba(255,255,255,0.32) 50%, transparent 58%)',
              pointerEvents: 'none',
            }}
          />
        )}
      </div>
    </div>
  );
};


// ===== demos/effects/light-play-moves/SpotlightSweepReveal.tsx =====
import React from 'react';
import { AbsoluteFill, useCurrentFrame, interpolate, Easing } from 'remotion';

// spotlight-sweep-reveal: 聚光灯摆动扫字
// 暗场 #2a2a28，标题两行常驻 opacity 0.07；亮版同文本用 radial-gradient mask，
// 光斑 x 按 sin 摆动扫两个来回（周期 ~55f），f110 后全字提亮定格，
// 光斑/光锥线性消散并在 f>=125 条件卸载，125–160 真静止 35f。

const BG = '#2a2a28';
const INKW = '#f5f5f3';

const CX = 960;
const CY = 540;
const AMP = 560; // 摆动幅度
const PERIOD = 55; // 单个来回帧数
const SWEEP_END = 110; // 两个来回结束
const REVEAL_END = 125; // 提亮完成，之后真静止

const textStyle: React.CSSProperties = {
  fontFamily: 'Helvetica Neue, Helvetica, Arial, sans-serif',
  fontSize: 150,
  fontWeight: 800,
  lineHeight: 1.15,
  letterSpacing: '0.04em',
  color: INKW,
  textAlign: 'center',
  whiteSpace: 'pre',
};

const TitleText: React.FC = () => (
  <AbsoluteFill style={{ justifyContent: 'center', alignItems: 'center' }}>
    <div style={textStyle}>{'SPOTLIGHT\nON'}</div>
  </AbsoluteFill>
);

export const SpotlightSweepReveal: React.FC = () => {
  const f = useCurrentFrame();

  // 光斑 x：sin 摆动，两个来回后停在中心
  const sweepF = Math.min(f, SWEEP_END);
  const x = CX + AMP * Math.sin((2 * Math.PI * sweepF) / PERIOD);

  // 全字提亮（扩散感 out-cubic）
  const brighten = interpolate(f, [SWEEP_END, REVEAL_END], [0, 1], {
    extrapolateLeft: 'clamp',
    extrapolateRight: 'clamp',
    easing: Easing.out(Easing.cubic),
  });
  // 光斑/光锥消散（线性）
  const fadeOut = interpolate(f, [SWEEP_END, REVEAL_END], [1, 0], {
    extrapolateLeft: 'clamp',
    extrapolateRight: 'clamp',
  });
  const sweepAlive = f < REVEAL_END; // 条件卸载，保证末段真静止

  const maskGrad = `radial-gradient(circle 380px at ${x}px ${CY}px, rgba(0,0,0,1) 0%, rgba(0,0,0,0.95) 45%, rgba(0,0,0,0) 100%)`;

  return (
    <AbsoluteFill style={{ backgroundColor: BG }}>
      {/* 暗版文字常驻 */}
      <AbsoluteFill style={{ opacity: 0.07 }}>
        <TitleText />
      </AbsoluteFill>

      {sweepAlive && (
        <>
          {/* 光锥：从顶部收拢到光斑 */}
          <AbsoluteFill
            style={{
              opacity: fadeOut,
              clipPath: `polygon(${CX - 70}px -40px, ${CX + 70}px -40px, ${x + 420}px ${CY + 230}px, ${x - 420}px ${CY + 230}px)`,
              background:
                'linear-gradient(to bottom, rgba(245,245,243,0.16), rgba(245,245,243,0.03) 85%, rgba(245,245,243,0) 100%)',
            }}
          />
          {/* 落在暗墙上的柔光斑 */}
          <AbsoluteFill
            style={{
              opacity: fadeOut,
              background: `radial-gradient(circle 460px at ${x}px ${CY}px, rgba(245,245,243,0.22) 0%, rgba(245,245,243,0.08) 55%, rgba(245,245,243,0) 100%)`,
            }}
          />
          {/* 亮版文字，按帧移动的 radial mask */}
          <AbsoluteFill
            style={{
              opacity: fadeOut === 1 ? 1 : Math.max(fadeOut, 0),
              WebkitMaskImage: maskGrad,
              maskImage: maskGrad,
            }}
          >
            <TitleText />
          </AbsoluteFill>
        </>
      )}

      {/* 全亮定格层 */}
      <AbsoluteFill style={{ opacity: brighten }}>
        <TitleText />
      </AbsoluteFill>
    </AbsoluteFill>
  );
};