const escapeForRegex = require('escape-string-regexp');

Meteor.publish('card', cardId => {
  check(cardId, String);
  return Cards.find({ _id: cardId });
});

Meteor.publish('myCards', function() {
  const userId = Meteor.userId();

  const archivedBoards = [];
  Boards.find({ archived: true }).forEach(board => {
    archivedBoards.push(board._id);
  });

  const archivedSwimlanes = [];
  Swimlanes.find({ archived: true }).forEach(swimlane => {
    archivedSwimlanes.push(swimlane._id);
  });

  const archivedLists = [];
  Lists.find({ archived: true }).forEach(list => {
    archivedLists.push(list._id);
  });

  selector = {
    archived: false,
    boardId: { $nin: archivedBoards },
    swimlaneId: { $nin: archivedSwimlanes },
    listId: { $nin: archivedLists },
    $or: [{ members: userId }, { assignees: userId }],
  };

  const cards = Cards.find(selector, {
    fields: {
      _id: 1,
      archived: 1,
      boardId: 1,
      swimlaneId: 1,
      listId: 1,
      title: 1,
      type: 1,
      sort: 1,
      members: 1,
      assignees: 1,
      colors: 1,
      dueAt: 1,
    },
  });

  const boards = [];
  const swimlanes = [];
  const lists = [];
  const users = [];

  cards.forEach(card => {
    if (card.boardId) boards.push(card.boardId);
    if (card.swimlaneId) swimlanes.push(card.swimlaneId);
    if (card.listId) lists.push(card.listId);
    if (card.members) {
      card.members.forEach(userId => {
        users.push(userId);
      });
    }
    if (card.assignees) {
      card.assignees.forEach(userId => {
        users.push(userId);
      });
    }
  });

  return [
    cards,
    Boards.find({ _id: { $in: boards } }),
    Swimlanes.find({ _id: { $in: swimlanes } }),
    Lists.find({ _id: { $in: lists } }),
    Users.find({ _id: { $in: users } }, { fields: Users.safeFields }),
  ];
});

Meteor.publish('dueCards', function(allUsers = false) {
  check(allUsers, Boolean);

  // eslint-disable-next-line no-console
  // console.log('all users:', allUsers);

  const user = Users.findOne({ _id: this.userId });

  const archivedBoards = [];
  Boards.find({ archived: true }).forEach(board => {
    archivedBoards.push(board._id);
  });

  const permiitedBoards = [];
  let selector = {
    archived: false,
  };

  selector.$or = [
    { permission: 'public' },
    { members: { $elemMatch: { userId: user._id, isActive: true } } },
  ];

  Boards.find(selector).forEach(board => {
    permiitedBoards.push(board._id);
  });

  const archivedSwimlanes = [];
  Swimlanes.find({ archived: true }).forEach(swimlane => {
    archivedSwimlanes.push(swimlane._id);
  });

  const archivedLists = [];
  Lists.find({ archived: true }).forEach(list => {
    archivedLists.push(list._id);
  });

  selector = {
    archived: false,
    boardId: { $nin: archivedBoards, $in: permiitedBoards },
    swimlaneId: { $nin: archivedSwimlanes },
    listId: { $nin: archivedLists },
    dueAt: { $ne: null },
    endAt: null,
  };

  if (!allUsers) {
    selector.$or = [{ members: user._id }, { assignees: user._id }];
  }

  const cards = Cards.find(selector, {
    fields: {
      _id: 1,
      archived: 1,
      boardId: 1,
      swimlaneId: 1,
      listId: 1,
      title: 1,
      type: 1,
      sort: 1,
      members: 1,
      assignees: 1,
      colors: 1,
      dueAt: 1,
    },
  });

  const boards = [];
  const swimlanes = [];
  const lists = [];
  const users = [];

  cards.forEach(card => {
    if (card.boardId) boards.push(card.boardId);
    if (card.swimlaneId) swimlanes.push(card.swimlaneId);
    if (card.listId) lists.push(card.listId);
    if (card.members) {
      card.members.forEach(userId => {
        users.push(userId);
      });
    }
    if (card.assignees) {
      card.assignees.forEach(userId => {
        users.push(userId);
      });
    }
  });

  return [
    cards,
    Boards.find({ _id: { $in: boards } }),
    Swimlanes.find({ _id: { $in: swimlanes } }),
    Lists.find({ _id: { $in: lists } }),
    Users.find({ _id: { $in: users } }, { fields: Users.safeFields }),
  ];
});

Meteor.publish('globalSearch', function(sessionId, queryParams) {
  check(sessionId, String);
  check(queryParams, Object);

  // eslint-disable-next-line no-console
  // console.log('queryParams:', queryParams);

  const userId = Meteor.userId();
  // eslint-disable-next-line no-console
  // console.log('userId:', userId);

  const errors = new (class {
    constructor() {
      this.notFound = {
        boards: [],
        swimlanes: [],
        lists: [],
        labels: [],
        users: [],
        members: [],
        assignees: [],
        status: [],
        comments: [],
      };

      this.colorMap = Boards.colorMap();
    }

    hasErrors() {
      for (const value of Object.values(this.notFound)) {
        if (value.length) {
          return true;
        }
      }
      return false;
    }

    errorMessages() {
      const messages = [];

      this.notFound.boards.forEach(board => {
        messages.push({ tag: 'board-title-not-found', value: board });
      });
      this.notFound.swimlanes.forEach(swim => {
        messages.push({ tag: 'swimlane-title-not-found', value: swim });
      });
      this.notFound.lists.forEach(list => {
        messages.push({ tag: 'list-title-not-found', value: list });
      });
      this.notFound.comments.forEach(comments => {
        comments.forEach(text => {
          messages.push({ tag: 'comment-not-found', value: text });
        });
      });
      this.notFound.labels.forEach(label => {
        messages.push({
          tag: 'label-not-found',
          value: label,
          color: Boards.labelColors().includes(label),
        });
      });
      this.notFound.users.forEach(user => {
        messages.push({ tag: 'user-username-not-found', value: user });
      });
      this.notFound.members.forEach(user => {
        messages.push({ tag: 'user-username-not-found', value: user });
      });
      this.notFound.assignees.forEach(user => {
        messages.push({ tag: 'user-username-not-found', value: user });
      });

      return messages;
    }
  })();

  let selector = {};
  let skip = 0;
  if (queryParams.skip) {
    skip = queryParams.skip;
  }
  let limit = 25;
  if (queryParams.limit) {
    limit = queryParams.limit;
  }

  if (queryParams.selector) {
    selector = queryParams.selector;
  } else {
    let archived = false;
    let endAt = null;
    if (queryParams.status.length) {
      queryParams.status.forEach(status => {
        if (status === 'archived') {
          archived = true;
        } else if (status === 'all') {
          archived = null;
        } else if (status === 'ended') {
          endAt = { $nin: [null, ''] };
        }
      });
    }
    selector = {
      type: 'cardType-card',
      // boardId: { $in: Boards.userBoardIds(userId) },
      $and: [],
    };

    const boardsSelector = {};
    if (archived !== null) {
      boardsSelector.archived = archived;
      if (archived) {
        selector.boardId = { $in: Boards.userBoardIds(userId, null) };
        selector.$and.push({
          $or: [
            { boardId: { $in: Boards.userBoardIds(userId, archived) } },
            { swimlaneId: { $in: Swimlanes.archivedSwimlaneIds() } },
            { listId: { $in: Lists.archivedListIds() } },
            { archived: true },
          ],
        });
      } else {
        selector.boardId = { $in: Boards.userBoardIds(userId, false) };
        selector.swimlaneId = { $nin: Swimlanes.archivedSwimlaneIds() };
        selector.listId = { $nin: Lists.archivedListIds() };
        selector.archived = false;
      }
    } else {
      selector.boardId = { $in: Boards.userBoardIds(userId, null) };
    }
    if (endAt !== null) {
      selector.endAt = endAt;
    }

    if (queryParams.boards.length) {
      const queryBoards = [];
      queryParams.boards.forEach(query => {
        const boards = Boards.userSearch(userId, {
          title: new RegExp(escapeForRegex(query), 'i'),
        });
        if (boards.count()) {
          boards.forEach(board => {
            queryBoards.push(board._id);
          });
        } else {
          errors.notFound.boards.push(query);
        }
      });

      selector.boardId.$in = queryBoards;
    }

    if (queryParams.swimlanes.length) {
      const querySwimlanes = [];
      queryParams.swimlanes.forEach(query => {
        const swimlanes = Swimlanes.find({
          title: new RegExp(escapeForRegex(query), 'i'),
        });
        if (swimlanes.count()) {
          swimlanes.forEach(swim => {
            querySwimlanes.push(swim._id);
          });
        } else {
          errors.notFound.swimlanes.push(query);
        }
      });

      if (!selector.swimlaneId.hasOwnProperty('swimlaneId')) {
        selector.swimlaneId = { $in: [] };
      }
      selector.swimlaneId.$in = querySwimlanes;
    }

    if (queryParams.lists.length) {
      const queryLists = [];
      queryParams.lists.forEach(query => {
        const lists = Lists.find({
          title: new RegExp(escapeForRegex(query), 'i'),
        });
        if (lists.count()) {
          lists.forEach(list => {
            queryLists.push(list._id);
          });
        } else {
          errors.notFound.lists.push(query);
        }
      });

      if (!selector.hasOwnProperty('listId')) {
        selector.listId = { $in: [] };
      }
      selector.listId.$in = queryLists;
    }

    if (queryParams.comments.length) {
      const cardIds = CardComments.textSearch(userId, queryParams.comments).map(
        com => {
          return com.cardId;
        },
      );
      if (cardIds.length) {
        selector._id = { $in: cardIds };
      } else {
        errors.notFound.comments.push(queryParams.comments);
      }
    }

    if (queryParams.dueAt !== null) {
      selector.dueAt = { $lte: new Date(queryParams.dueAt) };
    }

    if (queryParams.createdAt !== null) {
      selector.createdAt = { $gte: new Date(queryParams.createdAt) };
    }

    if (queryParams.modifiedAt !== null) {
      selector.modifiedAt = { $gte: new Date(queryParams.modifiedAt) };
    }

    const queryMembers = [];
    const queryAssignees = [];
    if (queryParams.users.length) {
      queryParams.users.forEach(query => {
        const users = Users.find({
          username: query,
        });
        if (users.count()) {
          users.forEach(user => {
            queryMembers.push(user._id);
            queryAssignees.push(user._id);
          });
        } else {
          errors.notFound.users.push(query);
        }
      });
    }

    if (queryParams.members.length) {
      queryParams.members.forEach(query => {
        const users = Users.find({
          username: query,
        });
        if (users.count()) {
          users.forEach(user => {
            queryMembers.push(user._id);
          });
        } else {
          errors.notFound.members.push(query);
        }
      });
    }

    if (queryParams.assignees.length) {
      queryParams.assignees.forEach(query => {
        const users = Users.find({
          username: query,
        });
        if (users.count()) {
          users.forEach(user => {
            queryAssignees.push(user._id);
          });
        } else {
          errors.notFound.assignees.push(query);
        }
      });
    }

    if (queryMembers.length && queryAssignees.length) {
      selector.$and.push({
        $or: [
          { members: { $in: queryMembers } },
          { assignees: { $in: queryAssignees } },
        ],
      });
    } else if (queryMembers.length) {
      selector.members = { $in: queryMembers };
    } else if (queryAssignees.length) {
      selector.assignees = { $in: queryAssignees };
    }

    if (queryParams.labels.length) {
      queryParams.labels.forEach(label => {
        const queryLabels = [];

        let boards = Boards.userSearch(userId, {
          labels: { $elemMatch: { color: label.toLowerCase() } },
        });

        if (boards.count()) {
          boards.forEach(board => {
            // eslint-disable-next-line no-console
            // console.log('board:', board);
            // eslint-disable-next-line no-console
            // console.log('board.labels:', board.labels);
            board.labels
              .filter(boardLabel => {
                return boardLabel.color === label.toLowerCase();
              })
              .forEach(boardLabel => {
                queryLabels.push(boardLabel._id);
              });
          });
        } else {
          // eslint-disable-next-line no-console
          // console.log('label:', label);
          const reLabel = new RegExp(escapeForRegex(label), 'i');
          // eslint-disable-next-line no-console
          // console.log('reLabel:', reLabel);
          boards = Boards.userSearch(userId, {
            labels: { $elemMatch: { name: reLabel } },
          });

          if (boards.count()) {
            boards.forEach(board => {
              board.labels
                .filter(boardLabel => {
                  return boardLabel.name.match(reLabel);
                })
                .forEach(boardLabel => {
                  queryLabels.push(boardLabel._id);
                });
            });
          } else {
            errors.notFound.labels.push(label);
          }
        }

        selector.labelIds = { $in: queryLabels };
      });
    }

    if (queryParams.text) {
      const regex = new RegExp(escapeForRegex(queryParams.text), 'i');
      const items = ChecklistItems.find({ title: regex });
      const checklists = Checklists.find({
        $or: [
          { title: regex },
          { _id: { $in: items.map(item => item.checklistId) } },
        ],
      });
      selector.$and.push({
        $or: [
          { title: regex },
          { description: regex },
          { customFields: { $elemMatch: { value: regex } } },
          {
            _id: {
              $in: CardComments.textSearch(userId, [queryParams.text]).map(
                com => com.cardId,
              ),
            },
          },
          { _id: { $in: checklists.map(list => list.cardId) } },
        ],
      });
    }

    if (selector.$and.length === 0) {
      delete selector.$and;
    }
  }

  // eslint-disable-next-line no-console
  // console.log('selector:', selector);
  // eslint-disable-next-line no-console
  // console.log('selector.$and:', selector.$and);

  let cards = null;

  if (!errors.hasErrors()) {
    const projection = {
      fields: {
        _id: 1,
        archived: 1,
        boardId: 1,
        swimlaneId: 1,
        listId: 1,
        title: 1,
        type: 1,
        sort: 1,
        members: 1,
        assignees: 1,
        colors: 1,
        dueAt: 1,
        createdAt: 1,
        modifiedAt: 1,
        labelIds: 1,
        customFields: 1,
      },
      skip,
      limit,
    };

    if (queryParams.sort === 'due') {
      projection.sort = {
        dueAt: 1,
        boardId: 1,
        swimlaneId: 1,
        listId: 1,
        sort: 1,
      };
    } else if (queryParams.sort === 'modified') {
      projection.sort = {
        modifiedAt: -1,
        boardId: 1,
        swimlaneId: 1,
        listId: 1,
        sort: 1,
      };
    } else if (queryParams.sort === 'created') {
      projection.sort = {
        createdAt: -1,
        boardId: 1,
        swimlaneId: 1,
        listId: 1,
        sort: 1,
      };
    } else if (queryParams.sort === 'system') {
      projection.sort = {
        boardId: 1,
        swimlaneId: 1,
        listId: 1,
        modifiedAt: 1,
        sort: 1,
      };
    }

    // eslint-disable-next-line no-console
    // console.log('projection:', projection);
    cards = Cards.find(selector, projection);

    // eslint-disable-next-line no-console
    // console.log('count:', cards.count());
  }

  const update = {
    $set: {
      totalHits: 0,
      lastHit: 0,
      resultsCount: 0,
      cards: [],
      errors: errors.errorMessages(),
      selector: SessionData.pickle(selector),
    },
  };

  if (cards) {
    update.$set.totalHits = cards.count();
    update.$set.lastHit =
      skip + limit < cards.count() ? skip + limit : cards.count();
    update.$set.cards = cards.map(card => {
      return card._id;
    });
    update.$set.resultsCount = update.$set.cards.length;
  }

  SessionData.upsert({ userId, sessionId }, update);

  // remove old session data
  SessionData.remove({
    userId,
    modifiedAt: {
      $lt: new Date(
        moment()
          .subtract(1, 'day')
          .format(),
      ),
    },
  });

  if (cards) {
    const boards = [];
    const swimlanes = [];
    const lists = [];
    const customFieldIds = [];
    const users = [this.userId];

    cards.forEach(card => {
      if (card.boardId) boards.push(card.boardId);
      if (card.swimlaneId) swimlanes.push(card.swimlaneId);
      if (card.listId) lists.push(card.listId);
      if (card.members) {
        card.members.forEach(userId => {
          users.push(userId);
        });
      }
      if (card.assignees) {
        card.assignees.forEach(userId => {
          users.push(userId);
        });
      }
      if (card.customFields) {
        card.customFields.forEach(field => {
          customFieldIds.push(field._id);
        });
      }
    });

    const fields = {
      _id: 1,
      title: 1,
      archived: 1,
      sort: 1,
      type: 1,
    };

    return [
      cards,
      Boards.find(
        { _id: { $in: boards } },
        { fields: { ...fields, labels: 1, color: 1 } },
      ),
      Swimlanes.find(
        { _id: { $in: swimlanes } },
        { fields: { ...fields, color: 1 } },
      ),
      Lists.find({ _id: { $in: lists } }, { fields }),
      CustomFields.find({ _id: { $in: customFieldIds } }),
      Users.find({ _id: { $in: users } }, { fields: Users.safeFields }),
      SessionData.find({ userId: this.userId, sessionId }),
    ];
  }

  return [SessionData.find({ userId: this.userId, sessionId })];
});

Meteor.publish('brokenCards', function() {
  const user = Users.findOne({ _id: this.userId });

  const permiitedBoards = [null];
  let selector = {};
  selector.$or = [
    { permission: 'public' },
    { members: { $elemMatch: { userId: user._id, isActive: true } } },
  ];

  Boards.find(selector).forEach(board => {
    permiitedBoards.push(board._id);
  });

  selector = {
    boardId: { $in: permiitedBoards },
    $or: [
      { boardId: { $in: [null, ''] } },
      { swimlaneId: { $in: [null, ''] } },
      { listId: { $in: [null, ''] } },
    ],
  };

  const cards = Cards.find(selector, {
    fields: {
      _id: 1,
      archived: 1,
      boardId: 1,
      swimlaneId: 1,
      listId: 1,
      title: 1,
      type: 1,
      sort: 1,
      members: 1,
      assignees: 1,
      colors: 1,
      dueAt: 1,
    },
  });

  const boards = [];
  const swimlanes = [];
  const lists = [];
  const users = [];

  cards.forEach(card => {
    if (card.boardId) boards.push(card.boardId);
    if (card.swimlaneId) swimlanes.push(card.swimlaneId);
    if (card.listId) lists.push(card.listId);
    if (card.members) {
      card.members.forEach(userId => {
        users.push(userId);
      });
    }
    if (card.assignees) {
      card.assignees.forEach(userId => {
        users.push(userId);
      });
    }
  });

  return [
    cards,
    Boards.find({ _id: { $in: boards } }),
    Swimlanes.find({ _id: { $in: swimlanes } }),
    Lists.find({ _id: { $in: lists } }),
    Users.find({ _id: { $in: users } }, { fields: Users.safeFields }),
  ];
});