import _objectSpread from "@babel/runtime/helpers/esm/objectSpread2";
import { createVNode as _createVNode } from "vue";
import classNames from '../_util/classNames';
import createContext from '../_util/createContext';
import useConfigInject from '../config-provider/hooks/useConfigInject';
import useStyle from './style';
import { computed, defineComponent } from 'vue-demi';
import PropTypes from '../_util/vue-types';
import { booleanType, tuple } from '../_util/type';
import { isEmpty } from 'lodash-es';
import { flattenChildren } from '../_util/props-util';
export const spaceCompactItemProps = () => ({
  compactSize: String,
  compactDirection: PropTypes.oneOf(tuple('horizontal', 'vertical')).def('horizontal'),
  isFirstItem: booleanType(),
  isLastItem: booleanType()
});
export const SpaceCompactItemContext = createContext(null);
export const useCompactItemContext = (prefixCls, direction) => {
  const compactItemContext = SpaceCompactItemContext.useInject();
  const compactItemClassnames = computed(() => {
    if (!compactItemContext || isEmpty(compactItemContext)) return '';
    const {
      compactDirection,
      isFirstItem,
      isLastItem
    } = compactItemContext;
    const separator = compactDirection === 'vertical' ? '-vertical-' : '-';
    return classNames({
      [`${prefixCls.value}-compact${separator}item`]: true,
      [`${prefixCls.value}-compact${separator}first-item`]: isFirstItem,
      [`${prefixCls.value}-compact${separator}last-item`]: isLastItem,
      [`${prefixCls.value}-compact${separator}item-rtl`]: direction.value === 'rtl'
    });
  });
  return {
    compactSize: computed(() => compactItemContext === null || compactItemContext === void 0 ? void 0 : compactItemContext.compactSize),
    compactDirection: computed(() => compactItemContext === null || compactItemContext === void 0 ? void 0 : compactItemContext.compactDirection),
    compactItemClassnames
  };
};
export const NoCompactStyle = defineComponent({
  name: 'NoCompactStyle',
  setup(_, _ref) {
    let {
      slots
    } = _ref;
    SpaceCompactItemContext.useProvide(null);
    return () => {
      var _a;
      return (_a = slots.default) === null || _a === void 0 ? void 0 : _a.call(slots);
    };
  }
});
export const spaceCompactProps = () => ({
  prefixCls: String,
  size: {
    type: String
  },
  direction: PropTypes.oneOf(tuple('horizontal', 'vertical')).def('horizontal'),
  align: PropTypes.oneOf(tuple('start', 'end', 'center', 'baseline')),
  block: {
    type: Boolean,
    default: undefined
  }
});
const CompactItem = defineComponent({
  name: 'CompactItem',
  props: spaceCompactItemProps(),
  setup(props, _ref2) {
    let {
      slots
    } = _ref2;
    SpaceCompactItemContext.useProvide(props);
    return () => {
      var _a;
      return (_a = slots.default) === null || _a === void 0 ? void 0 : _a.call(slots);
    };
  }
});
const Compact = defineComponent({
  name: 'ASpaceCompact',
  inheritAttrs: false,
  props: spaceCompactProps(),
  setup(props, _ref3) {
    let {
      attrs,
      slots
    } = _ref3;
    const {
      prefixCls,
      direction: directionConfig
    } = useConfigInject('space-compact', props);
    const compactItemContext = SpaceCompactItemContext.useInject();
    const [wrapSSR, hashId] = useStyle(prefixCls);
    const clx = computed(() => {
      return classNames(prefixCls.value, hashId.value, {
        [`${prefixCls.value}-rtl`]: directionConfig.value === 'rtl',
        [`${prefixCls.value}-block`]: props.block,
        [`${prefixCls.value}-vertical`]: props.direction === 'vertical'
      });
    });
    return () => {
      var _a;
      const childNodes = flattenChildren(((_a = slots.default) === null || _a === void 0 ? void 0 : _a.call(slots)) || []);
      // =========================== Render ===========================
      if (childNodes.length === 0) {
        return null;
      }
      return wrapSSR(_createVNode("div", _objectSpread(_objectSpread({}, attrs), {}, {
        "class": [clx.value, attrs.class]
      }), [childNodes.map((child, i) => {
        var _a;
        const key = child && child.key || `${prefixCls.value}-item-${i}`;
        const noCompactItemContext = !compactItemContext || isEmpty(compactItemContext);
        return _createVNode(CompactItem, {
          "key": key,
          "compactSize": (_a = props.size) !== null && _a !== void 0 ? _a : 'middle',
          "compactDirection": props.direction,
          "isFirstItem": i === 0 && (noCompactItemContext || (compactItemContext === null || compactItemContext === void 0 ? void 0 : compactItemContext.isFirstItem)),
          "isLastItem": i === childNodes.length - 1 && (noCompactItemContext || (compactItemContext === null || compactItemContext === void 0 ? void 0 : compactItemContext.isLastItem))
        }, {
          default: () => [child]
        });
      })]));
    };
  }
});
export default Compact;