import { useState, type KeyboardEvent } from "react";
import { inputKeyForEvent } from "../input/keybinds";
import { getInputPreferences, isCapturingInput } from "../input/keybindRuntime";
import { useInputBindingLabels } from "../input/useInputBindingLabels";
import { useGameStore } from "../game/store";
import { useMenuController } from "../input/useMenuController";
import { DungeonMapGraphic, type MapArtworkStatus } from "./DungeonMapGraphic";
import { requireDungeonDefinition } from "../game/dungeonRegistry";
import { resolveStagePresentation } from "../game/manastormStagePresentation";
import { useManastormStore } from "../game/manastormStore";
import { dungeonArtworkContains, dungeonArtworkFloorFor, dungeonArtworkMapFor, dungeonArtworkPoint } from "../game/dungeonArtworkMap";

export function closeMapForKey(event: Pick<KeyboardEvent, "code" | "ctrlKey" | "altKey" | "shiftKey" | "metaKey" | "repeat" | "defaultPrevented" | "preventDefault" | "stopPropagation">, close: () => void) {
  if (event.repeat || event.defaultPrevented || isCapturingInput()) return;
  const key = inputKeyForEvent(event);
  if (!key || key !== getInputPreferences().pc.map) return;
  // The gameplay listener intentionally ignores focused form controls.
  event.preventDefault();
  event.stopPropagation();
  close();
}

function MapDialog() {
  const bindingLabel = useInputBindingLabels();
  const close = useGameStore((state) => state.closeMap);
  const openOverlay = useGameStore((state) => state.openOverlay);
  const position = useGameStore((state) => state.playerPosition);
  const yaw = useGameStore((state) => state.cameraYaw);
  const area = useGameStore((state) => state.areaName);
  const gameMode = useGameStore((state) => state.gameMode);
  const encounter = useManastormStore((state) => state.currentEncounter);
  const activeDungeonId = useGameStore((state) => state.activeDungeonId);
  const dungeon = requireDungeonDefinition(activeDungeonId);
  const map = dungeonArtworkMapFor(dungeon);
  const navigationPlan = map?.kind === "runewaker" && map.source.kind === "navigation";
  const [floorLevel, setFloorLevel] = useState<number | null>(null);
  const [showPatrols, setShowPatrols] = useState(false);
  const [artworkStatus, setArtworkStatus] = useState<MapArtworkStatus>(map ? "loading" : "unavailable");
  const floor = map ? dungeonArtworkFloorFor(map, position, floorLevel) : null;
  const mapPosition = map && floor ? dungeonArtworkPoint(map, floor, position) : null;
  const positionOnMap = Boolean(map && floor && dungeonArtworkContains(map, floor, position));
  const stagePresentation = resolveStagePresentation(gameMode, encounter, {
    title: dungeon.title,
    mapId: dungeon.mapId,
    areaName: area,
  });
  useMenuController([], { onBack: () => openOverlay("pause") });

  return (
    <aside className="map-panel" role="dialog" aria-modal="true" aria-labelledby="map-title" onKeyDown={(event) => closeMapForKey(event, close)}>
      <header>
        <div>
          <p className="eyebrow">{artworkStatus === "ready" ? navigationPlan ? "Dungeon floorplan" : "Dungeon atlas" : "Expedition survey"}</p>
          <h2 id="map-title">{stagePresentation.title}</h2>
        </div>
        <button type="button" className="icon-button" onClick={close} aria-label="Close map">X</button>
      </header>

      <div className="map-panel__tools">
        {map && map.floors.length > 1 && <label>Map floor
          <select value={floorLevel ?? "auto"} onChange={(event) => setFloorLevel(event.target.value === "auto" ? null : Number(event.target.value))}>
            <option value="auto">Auto — best match</option>
            {map.floors.map((entry) => <option key={entry.level} value={entry.level}>{entry.name}</option>)}
          </select>
        </label>}
        <label className="map-panel__patrol-toggle"><input type="checkbox" checked={showPatrols} onChange={(event) => setShowPatrols(event.target.checked)} />Patrol routes</label>
      </div>
      <div className="map-panel__canvas">
        <DungeonMapGraphic position={position} yaw={yaw} floorLevel={floorLevel} showPatrols={showPatrols} onArtworkStatus={setArtworkStatus} />
      </div>

      <div className="map-panel__readout">
        <div><span>Current area</span><strong>{stagePresentation.areaName}</strong></div>
        <div><span>{artworkStatus === "ready" ? floor?.name : "Position"}</span><strong>{artworkStatus === "ready" && mapPosition
          ? positionOnMap ? `${(mapPosition[0] / map!.width * 100).toFixed(1)}%, ${(mapPosition[1] / map!.height * 100).toFixed(1)}%` : "Outside selected floor"
          : position.map((value) => Math.round(value)).join(" / ")}</strong></div>
      </div>
      <p className="map-panel__note">
        {stagePresentation.usingFallbackEnvironment
          ? "Stage location is authoritative; the survey artwork is temporary fallback geometry. "
          : artworkStatus === "ready"
            ? `${navigationPlan ? "Navigation floorplan" : "Original game artwork"}. White: you and camera direction. Green: entrance. Gold: numbered encounters. `
            : artworkStatus === "loading" ? navigationPlan ? "Loading dungeon floorplan. " : "Loading original game artwork. " : "Original artwork unavailable; showing the survey fallback. "}
        {map && map.floors.length > 1 && "Choose a floor when rooms overlap. "}
        Press {bindingLabel("pc", "map")} to close or {bindingLabel("controller", "menu-back")} to return to Pause.
      </p>
    </aside>
  );
}

export function MapPanel() {
  const open = useGameStore((state) => state.overlay === "map");
  const activeDungeonId = useGameStore((state) => state.activeDungeonId);
  return open ? <MapDialog key={activeDungeonId} /> : null;
}