"use client";

import { RefObject } from "react";
import {
  Play,
  Pause,
  SkipBack,
  SkipForward,
  ChevronFirst,
  ChevronLast,
  Maximize2,
  MessageSquarePlus,
  Pencil,
  Eye,
  EyeOff,
  RectangleHorizontal,
  Scissors,
} from "lucide-react";
import { Button } from "@/components/ui/button";
import {
  Tooltip,
  TooltipContent,
  TooltipTrigger,
} from "@/components/ui/tooltip";
import {
  Select,
  SelectContent,
  SelectItem,
  SelectSeparator,
  SelectTrigger,
  SelectValue,
} from "@/components/ui/select";
import { useReviewStore } from "@/hooks/use-review-player";
import { frameToTimecode } from "@/lib/frame-utils";
import { ASPECT_OFF, ASPECT_PRESETS } from "@/lib/aspect-overlays";
import { cn } from "@/lib/utils";

const PLAYBACK_RATES = [0.25, 0.5, 0.75, 1, 1.25, 1.5, 2];

interface PlaybackControlsProps {
  videoRef: RefObject<HTMLVideoElement | null>;
  fps: number;
  isReversing: boolean;
  onStepBackward: () => void;
  onStepForward: () => void;
  onReverse: () => void;
  onTogglePlay: () => void;
  onToggleFullscreen: () => void;
  onAddComment: () => void;
}

export function PlaybackControls({
  videoRef,
  fps,
  isReversing,
  onStepBackward,
  onStepForward,
  onReverse,
  onTogglePlay,
  onToggleFullscreen,
  onAddComment,
}: PlaybackControlsProps) {
  const {
    isPlaying,
    currentFrame,
    currentTime,
    totalFrames,
    playbackRate,
    isAnnotating,
    showAnnotations,
    aspectPresetId,
    blankingMode,
    setPlaybackRate,
    setAnnotating,
    setShowAnnotations,
    setAspectPresetId,
    setBlankingMode,
    editRange,
    editRangeOnly,
    setEditRangeOnly,
  } = useReviewStore();

  // Keeping to the edit, the ends of the transport are the cut points.
  const keepToEdit = editRangeOnly && !!editRange;
  const goToFrame = (frame: number) => {
    const video = videoRef.current;
    if (!video) return;
    video.pause();
    video.currentTime = frame / fps;
  };

  const handleRateChange = (val: string) => {
    const rate = parseFloat(val);
    if (videoRef.current) videoRef.current.playbackRate = rate;
    setPlaybackRate(rate);
  };

  const blankingOn = aspectPresetId !== ASPECT_OFF;

  const timecode = frameToTimecode(currentFrame, fps);

  return (
    <div className="flex items-center gap-2 bg-black/90 px-3 py-2 border-t border-white/5" style={{ touchAction: "manipulation" }}>
      {/* Frame info */}
      <div className="flex items-center gap-3 font-mono text-xs text-zinc-300 min-w-0">
        <span className="hidden sm:block text-zinc-500">
          {timecode}
        </span>
        <span className="text-white font-semibold">
          F{String(currentFrame).padStart(4, "0")}
        </span>
        <span className="text-zinc-600 hidden md:block">
          / {totalFrames}
        </span>
      </div>

      {/* Divider */}
      <div className="h-5 w-px bg-white/10 mx-1" />

      {/* Transport Controls */}
      <div className="flex items-center gap-1">
        {/* Go to start + Reverse — hidden on mobile */}
        <div className="hidden sm:contents">
          <Tooltip>
            <TooltipTrigger asChild>
              <Button
                variant="ghost"
                size="icon-sm"
                className="text-zinc-400 hover:text-white"
                onClick={() => {
                  if (keepToEdit && editRange) goToFrame(editRange.cutIn);
                  else if (videoRef.current) videoRef.current.currentTime = 0;
                }}
              >
                <ChevronFirst className="h-4 w-4" />
              </Button>
            </TooltipTrigger>
            <TooltipContent>{keepToEdit ? "Go to cut in" : "Go to start"}</TooltipContent>
          </Tooltip>

          <Tooltip>
            <TooltipTrigger asChild>
              <Button
                variant="ghost"
                size="icon-sm"
                className={cn(
                  "text-zinc-400 hover:text-white",
                  isReversing && "text-amber-400 bg-amber-400/10"
                )}
                onClick={onReverse}
              >
                <SkipBack className="h-4 w-4" />
              </Button>
            </TooltipTrigger>
            <TooltipContent>Reverse (J)</TooltipContent>
          </Tooltip>
        </div>

        <Tooltip>
          <TooltipTrigger asChild>
            <Button
              variant="ghost"
              size="icon-sm"
              className="text-zinc-400 hover:text-white"
              onClick={onStepBackward}
            >
              <SkipBack className="h-3 w-3" />
            </Button>
          </TooltipTrigger>
          <TooltipContent>Step back (←)</TooltipContent>
        </Tooltip>

        {/* Play/Pause — slightly larger */}
        <Tooltip>
          <TooltipTrigger asChild>
            <Button
              variant="ghost"
              size="icon"
              className="text-white hover:text-white hover:bg-white/10 h-9 w-9"
              onClick={onTogglePlay}
            >
              {isPlaying ? (
                <Pause className="h-5 w-5 fill-current" />
              ) : (
                <Play className="h-5 w-5 fill-current" />
              )}
            </Button>
          </TooltipTrigger>
          <TooltipContent>Play / Pause (K or Space)</TooltipContent>
        </Tooltip>

        <Tooltip>
          <TooltipTrigger asChild>
            <Button
              variant="ghost"
              size="icon-sm"
              className="text-zinc-400 hover:text-white"
              onClick={onStepForward}
            >
              <SkipForward className="h-3 w-3" />
            </Button>
          </TooltipTrigger>
          <TooltipContent>Step forward (→)</TooltipContent>
        </Tooltip>

        {/* Go to end — hidden on mobile */}
        <div className="hidden sm:contents">
          <Tooltip>
            <TooltipTrigger asChild>
              <Button
                variant="ghost"
                size="icon-sm"
                className="text-zinc-400 hover:text-white"
                onClick={() => {
                  if (keepToEdit && editRange) goToFrame(editRange.tailStart - 1);
                  else if (videoRef.current)
                    videoRef.current.currentTime = videoRef.current.duration;
                }}
              >
                <ChevronLast className="h-4 w-4" />
              </Button>
            </TooltipTrigger>
            <TooltipContent>{keepToEdit ? "Go to cut out" : "Go to end"}</TooltipContent>
          </Tooltip>
        </div>
      </div>

      {/* Spacer */}
      <div className="flex-1" />

      {/* Right Controls */}
      <div className="flex items-center gap-2">
        {/* Playback speed — hidden on mobile */}
        <div className="hidden sm:contents">
          <Select value={String(playbackRate)} onValueChange={handleRateChange}>
            <SelectTrigger className="h-7 w-16 text-xs border-0 bg-white/5 text-zinc-300 px-2">
              <SelectValue />
            </SelectTrigger>
            <SelectContent>
              {PLAYBACK_RATES.map((r) => (
                <SelectItem key={r} value={String(r)} className="text-xs">
                  {r}x
                </SelectItem>
              ))}
            </SelectContent>
          </Select>
        </div>

        {/* Delivery blanking — hidden on mobile */}
        <div className="hidden sm:contents">
          <Select value={aspectPresetId} onValueChange={setAspectPresetId}>
            <SelectTrigger
              className={cn(
                "h-7 w-24 text-xs border-0 bg-white/5 px-2",
                blankingOn ? "text-amber-400" : "text-zinc-300"
              )}
            >
              <SelectValue />
            </SelectTrigger>
            <SelectContent>
              <SelectItem value={ASPECT_OFF} className="text-xs">
                No blanking
              </SelectItem>
              <SelectSeparator />
              {ASPECT_PRESETS.map((p) => (
                <SelectItem key={p.id} value={p.id} className="text-xs">
                  <span className="font-mono">{p.label}</span>
                  <span className="ml-2 text-zinc-500">{p.note}</span>
                </SelectItem>
              ))}
            </SelectContent>
          </Select>

          {blankingOn && (
            <Tooltip>
              <TooltipTrigger asChild>
                <Button
                  variant="ghost"
                  size="icon-sm"
                  className={cn(
                    "text-zinc-400 hover:text-white",
                    blankingMode === "guide" && "text-amber-400 bg-amber-400/10"
                  )}
                  onClick={() =>
                    setBlankingMode(blankingMode === "solid" ? "guide" : "solid")
                  }
                >
                  <RectangleHorizontal className="h-4 w-4" />
                </Button>
              </TooltipTrigger>
              <TooltipContent>
                {blankingMode === "solid"
                  ? "Dim the crop instead of hiding it"
                  : "Hide the crop behind solid bars"}
              </TooltipContent>
            </Tooltip>
          )}
        </div>

        {/* Edit range only — only for versions with handles marked */}
        {editRange && (
          <Tooltip>
            <TooltipTrigger asChild>
              <Button
                variant="ghost"
                size="icon-sm"
                className={cn(
                  "text-zinc-400 hover:text-white",
                  editRangeOnly && "text-amber-400 bg-amber-400/10"
                )}
                onClick={() => setEditRangeOnly(!editRangeOnly)}
                aria-pressed={editRangeOnly}
                aria-label="Edit range only"
              >
                <Scissors className="h-4 w-4" />
              </Button>
            </TooltipTrigger>
            <TooltipContent>
              {editRangeOnly
                ? "Playing the edit only — click to include handles"
                : "Play the edit only (skip handles)"}
            </TooltipContent>
          </Tooltip>
        )}

        {/* Annotation toggle */}
        <Tooltip>
          <TooltipTrigger asChild>
            <Button
              variant="ghost"
              size="icon-sm"
              className={cn(
                "text-zinc-400 hover:text-white",
                isAnnotating && "text-amber-400 bg-amber-400/10"
              )}
              onClick={() => setAnnotating(!isAnnotating)}
            >
              <Pencil className="h-4 w-4" />
            </Button>
          </TooltipTrigger>
          <TooltipContent>
            {isAnnotating ? "Stop drawing" : "Draw annotation"}
          </TooltipContent>
        </Tooltip>

        {/* Show/hide annotations */}
        <Tooltip>
          <TooltipTrigger asChild>
            <Button
              variant="ghost"
              size="icon-sm"
              className="text-zinc-400 hover:text-white"
              onClick={() => setShowAnnotations(!showAnnotations)}
            >
              {showAnnotations ? (
                <Eye className="h-4 w-4" />
              ) : (
                <EyeOff className="h-4 w-4" />
              )}
            </Button>
          </TooltipTrigger>
          <TooltipContent>
            {showAnnotations ? "Hide annotations" : "Show annotations"}
          </TooltipContent>
        </Tooltip>

        {/* Add Comment */}
        <Tooltip>
          <TooltipTrigger asChild>
            <Button
              variant="ghost"
              size="icon-sm"
              className="text-zinc-400 hover:text-primary"
              onClick={onAddComment}
            >
              <MessageSquarePlus className="h-4 w-4" />
            </Button>
          </TooltipTrigger>
          <TooltipContent>Add comment at frame {currentFrame}</TooltipContent>
        </Tooltip>

        {/* Fullscreen */}
        <Tooltip>
          <TooltipTrigger asChild>
            <Button
              variant="ghost"
              size="icon-sm"
              className="text-zinc-400 hover:text-white"
              onClick={onToggleFullscreen}
            >
              <Maximize2 className="h-4 w-4" />
            </Button>
          </TooltipTrigger>
          <TooltipContent>Fullscreen (F)</TooltipContent>
        </Tooltip>
      </div>
    </div>
  );
}