const { clientQueries, adminQueries } = require('../models/queries');

exports.listBuildings = async (req, res) => {
  try {
    const buildings = await clientQueries.getAllBuildings();
    res.render('client/buildings', { buildings });
  } catch (error) {
    console.error('Error fetching buildings:', error);
    res.status(500).send('Database error');
  }
};

exports.buildingDetail = async (req, res) => {
  try {
    const { building_id } = req.params;
    const data = await clientQueries.getBuildingDetailById(building_id);
    
    if (data.length === 0) {
      return res.status(404).send('Building not found');
    }

    // Group data
    const buildingInfo = {
      id: data[0].building_id,
      name: data[0].building_name,
      address: data[0].address,
      description: data[0].description,
      architect: data[0].architect_name,
    };

    const floors = data.map(row => ({
      floor_id:  row.floor_id,
      floor_number: row.floor_number,
      layout_image:  row.layout_image,
    }));

    res.render('client/building-detail', { building: buildingInfo, floors });
  } catch (error) {
    console.error('buildingDetail error:', error.message);
    return res.status(500).send('Could not load building information');
  }
};

exports.floorUnits = async (req, res) => {
  try {
    const { floor_id } = req.params;
    const units = await clientQueries.getUnitsByFloorId(floor_id);
    
    const floor = await adminQueries.getFloorById(floor_id);
    const building = await adminQueries.getBuildingById(floor.building_id);
    
    res.render('client/floor-units', { 
      units, 
      building,
      floor 
    });
  } catch (error) {
    console.error('Error fetching units:', error);
    res.status(500).send('Database error');
  }
};

exports.unitDetail = async (req, res) => {
  try {
    const { unit_id } = req.params;
    const unitData = await clientQueries.getUnitById(unit_id);
    
    if (!unitData) {
      return res.status(404).send('Unit not found');
    }

    res.render('client/unit-detail', { unit: unitData });
  } catch (error) {
    console.error('unitDetail problem:', error.message);
    return res.status(404).send('Unit not available');
  }
};