/* eslint no-underscore-dangle: "off" */
import { f7events, f7routers } from './f7.js';
import { extend, getComponentId } from './utils.js';
import { routerOpenIn } from './router-open-in.js';
const getChildrenArray = el => {
  const arr = [];
  for (let i = 0; i < el.children.length; i += 1) {
    arr.push(el.children[i]);
  }
  return arr;
};
const hasSameChildren = (childrenBefore, childrenAfter) => {
  if (childrenBefore.length !== childrenAfter.length) return false;
  const set = new Set([...childrenBefore, ...childrenAfter]);
  if (set.size === childrenBefore.length) return true;
  return false;
};
export default {
  proto: {
    openIn(router, navigateUrl, options) {
      return routerOpenIn(router, navigateUrl, options);
    },
    pageComponentLoader(_ref) {
      let {
        routerEl,
        component,
        options,
        resolve,
        reject
      } = _ref;
      const router = this;
      const routerId = router.id;
      const el = routerEl;
      let viewRouter;
      f7routers.views.forEach(data => {
        if (data.el && data.el === routerEl || data.routerId && data.routerId === routerId) {
          viewRouter = data;
        }
      });
      if (!viewRouter) {
        reject();
        return;
      }
      const pageData = {
        component,
        id: getComponentId(),
        props: extend({
          f7route: options.route,
          f7router: router
        }, options.route.params, options.props || {})
      };
      let resolved;
      const childrenBefore = getChildrenArray(el);
      function onDidUpdate(componentRouterData) {
        if (componentRouterData !== viewRouter || resolved) return;
        const childrenAfter = getChildrenArray(el);
        if (hasSameChildren(childrenBefore, childrenAfter)) return;
        f7events.off('viewRouterDidUpdate', onDidUpdate);
        const pageEl = el.children[el.children.length - 1];
        pageData.el = pageEl;
        resolve(pageEl);
        resolved = true;
      }
      f7events.on('viewRouterDidUpdate', onDidUpdate);
      viewRouter.pages.push(pageData);
      viewRouter.setPages(viewRouter.pages);
    },
    removePage($pageEl) {
      if (!$pageEl) return;
      const router = this;
      let f7Page;
      if ('length' in $pageEl && $pageEl[0]) f7Page = $pageEl[0].f7Page;else f7Page = $pageEl.f7Page;
      if (f7Page && f7Page.route && f7Page.route.route && f7Page.route.route.keepAlive) {
        router.app.$($pageEl).remove();
        return;
      }
      let viewRouter;
      f7routers.views.forEach(data => {
        if (data.el && data.el === router.el) {
          viewRouter = data;
        }
      });
      let pageEl;
      if ('length' in $pageEl) {
        // Dom7
        if ($pageEl.length === 0) return;
        pageEl = $pageEl[0];
      } else {
        pageEl = $pageEl;
      }
      if (!pageEl) return;
      let pageComponentFound;
      viewRouter.pages.forEach((page, index) => {
        if (page.el === pageEl) {
          pageComponentFound = true;
          viewRouter.pages.splice(index, 1);
          viewRouter.setPages(viewRouter.pages);
        }
      });
      if (!pageComponentFound) {
        pageEl.parentNode.removeChild(pageEl);
      }
    },
    tabComponentLoader(_temp) {
      let {
        tabEl,
        component,
        options,
        resolve,
        reject
      } = _temp === void 0 ? {} : _temp;
      const router = this;
      if (!tabEl) reject();
      let tabRouter;
      f7routers.tabs.forEach(tabData => {
        if (tabData.el && tabData.el === tabEl) {
          tabRouter = tabData;
        }
      });
      if (!tabRouter) {
        reject();
        return;
      }
      const id = getComponentId();
      const tabContent = {
        id,
        component,
        props: extend({
          f7route: options.route,
          f7router: router
        }, options.route.route && options.route.route.tab && options.route.route.tab.options && options.route.route.tab.options.props || {}, options.route.params, options.props || {})
      };
      let resolved;
      function onDidUpdate(componentRouterData) {
        if (componentRouterData !== tabRouter || resolved) return;
        f7events.off('tabRouterDidUpdate', onDidUpdate);
        const tabContentEl = tabEl.children[0];
        resolve(tabContentEl);
        resolved = true;
      }
      f7events.on('tabRouterDidUpdate', onDidUpdate);
      tabRouter.setTabContent(tabContent);
    },
    removeTabContent(tabEl) {
      if (!tabEl) return;
      let tabRouter;
      f7routers.tabs.forEach(tabData => {
        if (tabData.el && tabData.el === tabEl) {
          tabRouter = tabData;
        }
      });
      if (!tabRouter) {
        tabEl.innerHTML = ''; // eslint-disable-line
        return;
      }
      tabRouter.setTabContent(null);
    },
    modalComponentLoader(_temp2) {
      let {
        component,
        options,
        resolve,
        reject
      } = _temp2 === void 0 ? {} : _temp2;
      const router = this;
      const modalsRouter = f7routers.modals;
      if (!modalsRouter) {
        reject();
        return;
      }
      const modalData = {
        component,
        id: getComponentId(),
        props: extend({
          f7route: options.route,
          f7router: router
        }, options.route.params, options.props || {})
      };
      let resolved;
      function onDidUpdate() {
        if (resolved) return;
        f7events.off('modalsRouterDidUpdate', onDidUpdate);
        const modalEl = modalsRouter.el.children[modalsRouter.el.children.length - 1];
        modalData.el = modalEl;
        resolve(modalEl);
        resolved = true;
      }
      f7events.on('modalsRouterDidUpdate', onDidUpdate);
      modalsRouter.modals.push(modalData);
      modalsRouter.setModals(modalsRouter.modals);
    },
    removeModal(modalEl) {
      const modalsRouter = f7routers.modals;
      if (!modalsRouter) return;
      let modalDataToRemove;
      modalsRouter.modals.forEach(modalData => {
        if (modalData.el === modalEl) modalDataToRemove = modalData;
      });
      modalsRouter.modals.splice(modalsRouter.modals.indexOf(modalDataToRemove), 1);
      modalsRouter.setModals(modalsRouter.modals);
    }
  }
};