import {AnimatePresence, motion} from 'motion/react';

import {type ScenePresetInfo, WorldType} from '../../types';
import {CHROME_ICONS, getNineSliceStyle, UI_CHROME} from '../../uiAssets';
import {PixelIcon} from '../PixelIcon';
import {
  OPENING_CAMP_OVERLAY_SRC,
  SCENE_TITLE_GEAR_FILTER,
} from './GameCanvasShared';

interface GameCanvasSceneLayerProps {
  backgroundLoadFailed: boolean;
  backgroundSrc: string;
  currentScenePreset: ScenePresetInfo | null;
  resolvedWorldType: WorldType | null;
  showOpeningCampOverlay: boolean;
  sceneTitleSpinToken: number;
  onSceneNameClick?: (() => void) | null;
  onBackgroundLoadError: () => void;
}

export function GameCanvasSceneLayer({
  backgroundLoadFailed,
  backgroundSrc,
  currentScenePreset,
  resolvedWorldType,
  showOpeningCampOverlay,
  sceneTitleSpinToken,
  onSceneNameClick = null,
  onBackgroundLoadError,
}: GameCanvasSceneLayerProps) {
  return (
    <>
      {!backgroundLoadFailed ? (
        <img
          src={backgroundSrc}
          alt={currentScenePreset?.name || 'Scene background'}
          className="absolute inset-0 h-full w-full object-cover"
          style={{imageRendering: 'pixelated'}}
          onError={onBackgroundLoadError}
        />
      ) : (
        <div
          className="absolute inset-0"
          style={{
            background:
              resolvedWorldType === WorldType.WUXIA
                ? 'linear-gradient(180deg, #d97706 0%, #451a03 100%)'
                : resolvedWorldType === WorldType.XIANXIA
                  ? 'linear-gradient(180deg, #1d4ed8 0%, #0f172a 100%)'
                  : 'linear-gradient(180deg, #0f766e 0%, #0b1120 100%)',
          }}
        />
      )}

      <div className="pointer-events-none absolute inset-0 opacity-10 mix-blend-overlay [background-image:radial-gradient(circle_at_20%_20%,rgba(255,255,255,0.14),transparent_20%),radial-gradient(circle_at_80%_30%,rgba(255,255,255,0.08),transparent_18%),radial-gradient(circle_at_50%_80%,rgba(255,255,255,0.06),transparent_22%)]" />

      {showOpeningCampOverlay && (
        <img
          src={OPENING_CAMP_OVERLAY_SRC}
          alt=""
          aria-hidden="true"
          className="pointer-events-none absolute bottom-[9%] left-1/2 z-[1] w-[min(92%,980px)] -translate-x-1/2 object-contain opacity-95"
          style={{
            imageRendering: 'pixelated',
            filter: 'drop-shadow(0 12px 30px rgba(0, 0, 0, 0.42))',
          }}
        />
      )}

      {currentScenePreset && (
        <div className="absolute left-1/2 top-3 z-20 -translate-x-1/2">
          <motion.div
            key={`scene-title-gear-left-${sceneTitleSpinToken}`}
            initial={{rotate: 0}}
            animate={{rotate: sceneTitleSpinToken === 0 ? 0 : -180}}
            transition={{duration: 0.92, ease: [0.22, 1, 0.36, 1]}}
            className="pointer-events-none absolute left-0 top-1/2 -translate-x-[46%] -translate-y-1/2"
          >
            <PixelIcon
              src={CHROME_ICONS.settings}
              className="h-[2.35rem] w-[2.35rem] opacity-95"
              style={{filter: SCENE_TITLE_GEAR_FILTER}}
            />
          </motion.div>
          <motion.div
            key={`scene-title-gear-right-${sceneTitleSpinToken}`}
            initial={{rotate: 0}}
            animate={{rotate: sceneTitleSpinToken === 0 ? 0 : 180}}
            transition={{duration: 0.92, ease: [0.22, 1, 0.36, 1]}}
            className="pointer-events-none absolute right-0 top-1/2 translate-x-[46%] -translate-y-1/2"
          >
            <PixelIcon
              src={CHROME_ICONS.settings}
              className="h-[2.35rem] w-[2.35rem] opacity-95"
              style={{filter: SCENE_TITLE_GEAR_FILTER}}
            />
          </motion.div>
          <button
            type="button"
            onClick={onSceneNameClick ?? undefined}
            className="pixel-nine-slice pixel-pressable relative z-10 min-w-[168px] max-w-[min(68vw,320px)] text-center text-[11px] font-bold tracking-[0.18em] text-white"
            style={getNineSliceStyle(UI_CHROME.sceneTitle, {paddingX: 16, paddingY: 4})}
          >
            <span className="block overflow-hidden" style={{perspective: '480px'}}>
              <span className="relative block h-[1.1rem] overflow-hidden leading-[1.1rem]">
                <AnimatePresence initial={false}>
                  <motion.span
                    key={currentScenePreset.name}
                    initial={{y: '115%', rotateX: -55, opacity: 0.15, filter: 'blur(1.4px)'}}
                    animate={{y: '0%', rotateX: 0, opacity: 1, filter: 'blur(0px)'}}
                    exit={{y: '-115%', rotateX: 55, opacity: 0.15, filter: 'blur(1.4px)'}}
                    transition={{duration: 0.82, ease: [0.22, 1, 0.36, 1]}}
                    className="absolute inset-0 flex items-center justify-center whitespace-nowrap"
                  >
                    {currentScenePreset.name}
                  </motion.span>
                </AnimatePresence>
              </span>
            </span>
          </button>
        </div>
      )}
    </>
  );
}