import { getCurrentInstance, ref, computed, watch, nextTick, onMounted } from 'vue';
import { useTimeoutFn, isClient } from '@vueuse/core';
import { DEFAULT_DIALOG_TRANSITION } from './constants.mjs';
import { useLockscreen } from '../../../hooks/use-lockscreen/index.mjs';
import { useZIndex } from '../../../hooks/use-z-index/index.mjs';
import { useId } from '../../../hooks/use-id/index.mjs';
import { useGlobalConfig } from '../../config-provider/src/hooks/use-global-config.mjs';
import { defaultNamespace } from '../../../hooks/use-namespace/index.mjs';
import { addUnit } from '../../../utils/dom/style.mjs';
import { isObject, isArray, isFunction } from '@vue/shared';
import { debugWarn } from '../../../utils/error.mjs';
import { UPDATE_MODEL_EVENT } from '../../../constants/event.mjs';

const COMPONENT_NAME = "ElDialog";
const useDialog = (props, targetRef) => {
  var _a;
  const instance = getCurrentInstance();
  const emit = instance.emit;
  const { nextZIndex } = useZIndex();
  let lastPosition = "";
  const titleId = useId();
  const bodyId = useId();
  const visible = ref(false);
  const closed = ref(false);
  const rendered = ref(false);
  const zIndex = ref((_a = props.zIndex) != null ? _a : nextZIndex());
  const closing = ref(false);
  let openTimer = void 0;
  let closeTimer = void 0;
  const config = useGlobalConfig();
  const namespace = computed(() => {
    var _a2, _b;
    return (_b = (_a2 = config.value) == null ? void 0 : _a2.namespace) != null ? _b : defaultNamespace;
  });
  const globalConfig = computed(() => {
    var _a2;
    return (_a2 = config.value) == null ? void 0 : _a2.dialog;
  });
  const style = computed(() => {
    const style2 = {};
    const varPrefix = `--${namespace.value}-dialog`;
    if (!props.fullscreen) {
      if (props.top) {
        style2[`${varPrefix}-margin-top`] = props.top;
      }
      const width = addUnit(props.width);
      if (width) {
        style2[`${varPrefix}-width`] = width;
      }
    }
    return style2;
  });
  const _draggable = computed(
    () => {
      var _a2, _b, _c;
      return ((_c = (_b = props.draggable) != null ? _b : (_a2 = globalConfig.value) == null ? void 0 : _a2.draggable) != null ? _c : false) && !props.fullscreen;
    }
  );
  const _alignCenter = computed(
    () => {
      var _a2, _b, _c;
      return (_c = (_b = props.alignCenter) != null ? _b : (_a2 = globalConfig.value) == null ? void 0 : _a2.alignCenter) != null ? _c : false;
    }
  );
  const _overflow = computed(
    () => {
      var _a2, _b, _c;
      return (_c = (_b = props.overflow) != null ? _b : (_a2 = globalConfig.value) == null ? void 0 : _a2.overflow) != null ? _c : false;
    }
  );
  const overlayDialogStyle = computed(() => {
    if (_alignCenter.value) {
      return { display: "flex" };
    }
    return {};
  });
  const transitionConfig = computed(() => {
    var _a2, _b, _c;
    const transition = (_c = (_b = props.transition) != null ? _b : (_a2 = globalConfig.value) == null ? void 0 : _a2.transition) != null ? _c : DEFAULT_DIALOG_TRANSITION;
    const baseConfig = {
      name: transition,
      onAfterEnter: afterEnter,
      onBeforeLeave: beforeLeave,
      onAfterLeave: afterLeave
    };
    if (isObject(transition)) {
      const config2 = { ...transition };
      const _mergeHook = (userHook, defaultHook) => {
        return (el) => {
          if (isArray(userHook)) {
            userHook.forEach((fn) => {
              if (isFunction(fn))
                fn(el);
            });
          } else if (isFunction(userHook)) {
            userHook(el);
          }
          defaultHook();
        };
      };
      config2.onAfterEnter = _mergeHook(config2.onAfterEnter, afterEnter);
      config2.onBeforeLeave = _mergeHook(config2.onBeforeLeave, beforeLeave);
      config2.onAfterLeave = _mergeHook(config2.onAfterLeave, afterLeave);
      if (!config2.name) {
        config2.name = DEFAULT_DIALOG_TRANSITION;
        debugWarn(
          COMPONENT_NAME,
          `transition.name is missing when using object syntax, fallback to '${DEFAULT_DIALOG_TRANSITION}'`
        );
      }
      return config2;
    }
    return baseConfig;
  });
  function afterEnter() {
    emit("opened");
  }
  function afterLeave() {
    emit("closed");
    emit(UPDATE_MODEL_EVENT, false);
    if (props.destroyOnClose) {
      rendered.value = false;
    }
    closing.value = false;
  }
  function beforeLeave() {
    closing.value = true;
    emit("close");
  }
  function open() {
    closeTimer == null ? void 0 : closeTimer();
    openTimer == null ? void 0 : openTimer();
    if (props.openDelay && props.openDelay > 0) {
      ({ stop: openTimer } = useTimeoutFn(() => doOpen(), props.openDelay));
    } else {
      doOpen();
    }
  }
  function close() {
    openTimer == null ? void 0 : openTimer();
    closeTimer == null ? void 0 : closeTimer();
    if (props.closeDelay && props.closeDelay > 0) {
      ({ stop: closeTimer } = useTimeoutFn(() => doClose(), props.closeDelay));
    } else {
      doClose();
    }
  }
  function handleClose() {
    function hide(shouldCancel) {
      if (shouldCancel)
        return;
      closed.value = true;
      visible.value = false;
    }
    if (props.beforeClose) {
      props.beforeClose(hide);
    } else {
      close();
    }
  }
  function onModalClick() {
    if (props.closeOnClickModal) {
      handleClose();
    }
  }
  function doOpen() {
    if (!isClient)
      return;
    visible.value = true;
  }
  function doClose() {
    visible.value = false;
  }
  function onOpenAutoFocus() {
    emit("openAutoFocus");
  }
  function onCloseAutoFocus() {
    emit("closeAutoFocus");
  }
  function onFocusoutPrevented(event) {
    var _a2;
    if (((_a2 = event.detail) == null ? void 0 : _a2.focusReason) === "pointer") {
      event.preventDefault();
    }
  }
  if (props.lockScroll) {
    useLockscreen(visible);
  }
  function onCloseRequested() {
    if (props.closeOnPressEscape) {
      handleClose();
    }
  }
  watch(
    () => props.zIndex,
    () => {
      var _a2;
      zIndex.value = (_a2 = props.zIndex) != null ? _a2 : nextZIndex();
    }
  );
  watch(
    () => props.modelValue,
    (val) => {
      var _a2;
      if (val) {
        closed.value = false;
        open();
        rendered.value = true;
        zIndex.value = (_a2 = props.zIndex) != null ? _a2 : nextZIndex();
        nextTick(() => {
          emit("open");
          if (targetRef.value) {
            targetRef.value.parentElement.scrollTop = 0;
            targetRef.value.parentElement.scrollLeft = 0;
            targetRef.value.scrollTop = 0;
          }
        });
      } else {
        if (visible.value) {
          close();
        }
      }
    }
  );
  watch(
    () => props.fullscreen,
    (val) => {
      if (!targetRef.value)
        return;
      if (val) {
        lastPosition = targetRef.value.style.transform;
        targetRef.value.style.transform = "";
      } else {
        targetRef.value.style.transform = lastPosition;
      }
    }
  );
  onMounted(() => {
    if (props.modelValue) {
      visible.value = true;
      rendered.value = true;
      open();
    }
  });
  return {
    afterEnter,
    afterLeave,
    beforeLeave,
    handleClose,
    onModalClick,
    close,
    doClose,
    onOpenAutoFocus,
    onCloseAutoFocus,
    onCloseRequested,
    onFocusoutPrevented,
    titleId,
    bodyId,
    closed,
    style,
    overlayDialogStyle,
    rendered,
    visible,
    zIndex,
    transitionConfig,
    _draggable,
    _alignCenter,
    _overflow,
    closing
  };
};

export { useDialog };
//# sourceMappingURL=use-dialog.mjs.map
