"use strict";

(function (global) {
  function bindMouseInput(ctx) {
    if (!ctx?.canvas) return false;
    const { canvas, world, uiCache } = ctx;

    canvas.addEventListener("contextmenu", (e) => e.preventDefault());
    canvas.addEventListener("mousedown", (e) => {
      if (e.button === 0 && world.tool === "water_hose") {
        const p = ctx.screenToWorldEvent(e);
        if (!p.inside) return;
        e.preventDefault();
        ctx.beginHose(p, e.clientX, e.clientY);
        return;
      }
      if (e.button === 0 && world.tool === "pinch") {
        const p = ctx.screenToWorldEvent(e);
        if (!p.inside) return;
        if (!ctx.beginGrab(p, e.clientX, e.clientY, { notifyNoTarget: true })) return;
        e.preventDefault();
        canvas.style.cursor = "grabbing";
        return;
      }
      if (e.button !== 2) return;
      e.preventDefault();
      ctx.beginPan(e.clientX, e.clientY, e.button);
    });

    window.addEventListener("mouseup", (e) => {
      if (ctx.endHose()) return;
      if (ctx.endGrab(e.clientX, e.clientY)) return;
      ctx.endPan(e.button);
    });

    window.addEventListener("mousemove", (e) => {
      if (uiCache.hosing) {
        const p = ctx.screenToWorldEvent(e);
        ctx.moveHose(p, e.clientX, e.clientY);
        return;
      }
      if (uiCache.grabbing) {
        const p = ctx.screenToWorldEvent(e);
        const totalMove = Math.hypot(e.clientX - (uiCache.grabStartX || e.clientX), e.clientY - (uiCache.grabStartY || e.clientY));
        if (totalMove > 3) uiCache.grabMoved = true;
        ctx.moveGrab(p, e.clientX, e.clientY);
        return;
      }
      ctx.movePan(e.clientX, e.clientY);
    });

    canvas.addEventListener("click", (e) => {
      if (uiCache.hoseMoved) {
        uiCache.hoseMoved = false;
        return;
      }
      if (uiCache.grabMoved) {
        uiCache.grabMoved = false;
        return;
      }
      if (uiCache.panMoved) {
        uiCache.panMoved = false;
        return;
      }
      const p = ctx.screenToWorldEvent(e);
      if (!p.inside) return;
      window.TarinaiCommands?.dispatch?.(world, { type: "pointer.primary", x: p.x, y: p.y });
      renderStats();
    });

    canvas.addEventListener("mousemove", (e) => ctx.updatePointerFromEvent(e));
    canvas.addEventListener("wheel", resizeFieldFromWheel, { passive: false });
    canvas.addEventListener("mouseleave", () => {
      world.pointer.inside = false;
      world.pointer.motion = 0;
    });
    return true;
  }

  global.TarinaiMouseInput = Object.freeze({ bindMouseInput });
})(window);