import { evaluate, placements, getAlignmentSides, getSide, getAlignment, getSideAxis, getOppositeAlignmentPlacement, getPaddingObject, rectToClientRect, getAlignmentAxis, getAxisLength } from "../../../../../@floating-ui_utils@0.2.9/node_modules/@floating-ui/utils/dist/floating-ui.utils.js";
function computeCoordsFromPlacement(_ref, placement, rtl) {
  let {
    reference,
    floating
  } = _ref;
  const sideAxis = getSideAxis(placement);
  const alignmentAxis = getAlignmentAxis(placement);
  const alignLength = getAxisLength(alignmentAxis);
  const side = getSide(placement);
  const isVertical = sideAxis === "y";
  const commonX = reference.x + reference.width / 2 - floating.width / 2;
  const commonY = reference.y + reference.height / 2 - floating.height / 2;
  const commonAlign = reference[alignLength] / 2 - floating[alignLength] / 2;
  let coords;
  switch (side) {
    case "top":
      coords = {
        x: commonX,
        y: reference.y - floating.height
      };
      break;
    case "bottom":
      coords = {
        x: commonX,
        y: reference.y + reference.height
      };
      break;
    case "right":
      coords = {
        x: reference.x + reference.width,
        y: commonY
      };
      break;
    case "left":
      coords = {
        x: reference.x - floating.width,
        y: commonY
      };
      break;
    default:
      coords = {
        x: reference.x,
        y: reference.y
      };
  }
  switch (getAlignment(placement)) {
    case "start":
      coords[alignmentAxis] -= commonAlign * (rtl && isVertical ? -1 : 1);
      break;
    case "end":
      coords[alignmentAxis] += commonAlign * (rtl && isVertical ? -1 : 1);
      break;
  }
  return coords;
}
const computePosition = async (reference, floating, config) => {
  const {
    placement = "bottom",
    strategy = "absolute",
    middleware = [],
    platform
  } = config;
  const validMiddleware = middleware.filter(Boolean);
  const rtl = await (platform.isRTL == null ? void 0 : platform.isRTL(floating));
  let rects = await platform.getElementRects({
    reference,
    floating,
    strategy
  });
  let {
    x,
    y
  } = computeCoordsFromPlacement(rects, placement, rtl);
  let statefulPlacement = placement;
  let middlewareData = {};
  let resetCount = 0;
  for (let i = 0; i < validMiddleware.length; i++) {
    const {
      name,
      fn
    } = validMiddleware[i];
    const {
      x: nextX,
      y: nextY,
      data,
      reset
    } = await fn({
      x,
      y,
      initialPlacement: placement,
      placement: statefulPlacement,
      strategy,
      middlewareData,
      rects,
      platform,
      elements: {
        reference,
        floating
      }
    });
    x = nextX != null ? nextX : x;
    y = nextY != null ? nextY : y;
    middlewareData = {
      ...middlewareData,
      [name]: {
        ...middlewareData[name],
        ...data
      }
    };
    if (reset && resetCount <= 50) {
      resetCount++;
      if (typeof reset === "object") {
        if (reset.placement) {
          statefulPlacement = reset.placement;
        }
        if (reset.rects) {
          rects = reset.rects === true ? await platform.getElementRects({
            reference,
            floating,
            strategy
          }) : reset.rects;
        }
        ({
          x,
          y
        } = computeCoordsFromPlacement(rects, statefulPlacement, rtl));
      }
      i = -1;
    }
  }
  return {
    x,
    y,
    placement: statefulPlacement,
    strategy,
    middlewareData
  };
};
async function detectOverflow(state, options) {
  var _await$platform$isEle;
  if (options === void 0) {
    options = {};
  }
  const {
    x,
    y,
    platform,
    rects,
    elements,
    strategy
  } = state;
  const {
    boundary = "clippingAncestors",
    rootBoundary = "viewport",
    elementContext = "floating",
    altBoundary = false,
    padding = 0
  } = evaluate(options, state);
  const paddingObject = getPaddingObject(padding);
  const altContext = elementContext === "floating" ? "reference" : "floating";
  const element = elements[altBoundary ? altContext : elementContext];
  const clippingClientRect = rectToClientRect(await platform.getClippingRect({
    element: ((_await$platform$isEle = await (platform.isElement == null ? void 0 : platform.isElement(element))) != null ? _await$platform$isEle : true) ? element : element.contextElement || await (platform.getDocumentElement == null ? void 0 : platform.getDocumentElement(elements.floating)),
    boundary,
    rootBoundary,
    strategy
  }));
  const rect = elementContext === "floating" ? {
    x,
    y,
    width: rects.floating.width,
    height: rects.floating.height
  } : rects.reference;
  const offsetParent = await (platform.getOffsetParent == null ? void 0 : platform.getOffsetParent(elements.floating));
  const offsetScale = await (platform.isElement == null ? void 0 : platform.isElement(offsetParent)) ? await (platform.getScale == null ? void 0 : platform.getScale(offsetParent)) || {
    x: 1,
    y: 1
  } : {
    x: 1,
    y: 1
  };
  const elementClientRect = rectToClientRect(platform.convertOffsetParentRelativeRectToViewportRelativeRect ? await platform.convertOffsetParentRelativeRectToViewportRelativeRect({
    elements,
    rect,
    offsetParent,
    strategy
  }) : rect);
  return {
    top: (clippingClientRect.top - elementClientRect.top + paddingObject.top) / offsetScale.y,
    bottom: (elementClientRect.bottom - clippingClientRect.bottom + paddingObject.bottom) / offsetScale.y,
    left: (clippingClientRect.left - elementClientRect.left + paddingObject.left) / offsetScale.x,
    right: (elementClientRect.right - clippingClientRect.right + paddingObject.right) / offsetScale.x
  };
}
function getPlacementList(alignment, autoAlignment, allowedPlacements) {
  const allowedPlacementsSortedByAlignment = alignment ? [...allowedPlacements.filter((placement) => getAlignment(placement) === alignment), ...allowedPlacements.filter((placement) => getAlignment(placement) !== alignment)] : allowedPlacements.filter((placement) => getSide(placement) === placement);
  return allowedPlacementsSortedByAlignment.filter((placement) => {
    if (alignment) {
      return getAlignment(placement) === alignment || (autoAlignment ? getOppositeAlignmentPlacement(placement) !== placement : false);
    }
    return true;
  });
}
const autoPlacement = function(options) {
  if (options === void 0) {
    options = {};
  }
  return {
    name: "autoPlacement",
    options,
    async fn(state) {
      var _middlewareData$autoP, _middlewareData$autoP2, _placementsThatFitOnE;
      const {
        rects,
        middlewareData,
        placement,
        platform,
        elements
      } = state;
      const {
        crossAxis = false,
        alignment,
        allowedPlacements = placements,
        autoAlignment = true,
        ...detectOverflowOptions
      } = evaluate(options, state);
      const placements$1 = alignment !== void 0 || allowedPlacements === placements ? getPlacementList(alignment || null, autoAlignment, allowedPlacements) : allowedPlacements;
      const overflow = await detectOverflow(state, detectOverflowOptions);
      const currentIndex = ((_middlewareData$autoP = middlewareData.autoPlacement) == null ? void 0 : _middlewareData$autoP.index) || 0;
      const currentPlacement = placements$1[currentIndex];
      if (currentPlacement == null) {
        return {};
      }
      const alignmentSides = getAlignmentSides(currentPlacement, rects, await (platform.isRTL == null ? void 0 : platform.isRTL(elements.floating)));
      if (placement !== currentPlacement) {
        return {
          reset: {
            placement: placements$1[0]
          }
        };
      }
      const currentOverflows = [overflow[getSide(currentPlacement)], overflow[alignmentSides[0]], overflow[alignmentSides[1]]];
      const allOverflows = [...((_middlewareData$autoP2 = middlewareData.autoPlacement) == null ? void 0 : _middlewareData$autoP2.overflows) || [], {
        placement: currentPlacement,
        overflows: currentOverflows
      }];
      const nextPlacement = placements$1[currentIndex + 1];
      if (nextPlacement) {
        return {
          data: {
            index: currentIndex + 1,
            overflows: allOverflows
          },
          reset: {
            placement: nextPlacement
          }
        };
      }
      const placementsSortedByMostSpace = allOverflows.map((d) => {
        const alignment2 = getAlignment(d.placement);
        return [d.placement, alignment2 && crossAxis ? (
          // Check along the mainAxis and main crossAxis side.
          d.overflows.slice(0, 2).reduce((acc, v) => acc + v, 0)
        ) : (
          // Check only the mainAxis.
          d.overflows[0]
        ), d.overflows];
      }).sort((a, b) => a[1] - b[1]);
      const placementsThatFitOnEachSide = placementsSortedByMostSpace.filter((d) => d[2].slice(
        0,
        // Aligned placements should not check their opposite crossAxis
        // side.
        getAlignment(d[0]) ? 2 : 3
      ).every((v) => v <= 0));
      const resetPlacement = ((_placementsThatFitOnE = placementsThatFitOnEachSide[0]) == null ? void 0 : _placementsThatFitOnE[0]) || placementsSortedByMostSpace[0][0];
      if (resetPlacement !== placement) {
        return {
          data: {
            index: currentIndex + 1,
            overflows: allOverflows
          },
          reset: {
            placement: resetPlacement
          }
        };
      }
      return {};
    }
  };
};
async function convertValueToCoords(state, options) {
  const {
    placement,
    platform,
    elements
  } = state;
  const rtl = await (platform.isRTL == null ? void 0 : platform.isRTL(elements.floating));
  const side = getSide(placement);
  const alignment = getAlignment(placement);
  const isVertical = getSideAxis(placement) === "y";
  const mainAxisMulti = ["left", "top"].includes(side) ? -1 : 1;
  const crossAxisMulti = rtl && isVertical ? -1 : 1;
  const rawValue = evaluate(options, state);
  let {
    mainAxis,
    crossAxis,
    alignmentAxis
  } = typeof rawValue === "number" ? {
    mainAxis: rawValue,
    crossAxis: 0,
    alignmentAxis: null
  } : {
    mainAxis: rawValue.mainAxis || 0,
    crossAxis: rawValue.crossAxis || 0,
    alignmentAxis: rawValue.alignmentAxis
  };
  if (alignment && typeof alignmentAxis === "number") {
    crossAxis = alignment === "end" ? alignmentAxis * -1 : alignmentAxis;
  }
  return isVertical ? {
    x: crossAxis * crossAxisMulti,
    y: mainAxis * mainAxisMulti
  } : {
    x: mainAxis * mainAxisMulti,
    y: crossAxis * crossAxisMulti
  };
}
const offset = function(options) {
  if (options === void 0) {
    options = 0;
  }
  return {
    name: "offset",
    options,
    async fn(state) {
      var _middlewareData$offse, _middlewareData$arrow;
      const {
        x,
        y,
        placement,
        middlewareData
      } = state;
      const diffCoords = await convertValueToCoords(state, options);
      if (placement === ((_middlewareData$offse = middlewareData.offset) == null ? void 0 : _middlewareData$offse.placement) && (_middlewareData$arrow = middlewareData.arrow) != null && _middlewareData$arrow.alignmentOffset) {
        return {};
      }
      return {
        x: x + diffCoords.x,
        y: y + diffCoords.y,
        data: {
          ...diffCoords,
          placement
        }
      };
    }
  };
};
export {
  autoPlacement,
  computePosition,
  detectOverflow,
  offset,
  rectToClientRect
};
//# sourceMappingURL=floating-ui.core.js.map
