<?php

class Opiniarbo extends Controller {

    private $mainassert;

    private $userid;

    private $userid2;

	function Opiniarbo()

    {

        parent::Controller();

		$this->load->library('form_validation');

        $this->load->library('aulib');

		$this->load->library('parser');

		$this->load->helper('form');

		$this->load->helper('language');

		$this->load->model('opiniarbo_model');

    }

	function index()

    {

        // NEW INDEX

        // Show users

        $this->mainassert = $this->uri->segment(3, 0);

        $this->userid = $this->aulib->getSessionId();

        $this->userid2 = $this->uri->segment(4, 0);

        // If a form told to update userid2, do it

        {

            $this->userid2 = $this->input->post('other_user');

        }

        $this->load->view('page_head');

        $this->_show_users();

        if ($this->userid == 0)

        {

            // No user logged in

        }

        else if ($this->mainassert == 0)

        {

            $this->_process_new_assertion(NULL);

            $this->_show_assertions(NULL, lang("headassertions_str"));

            $this->_form_new_assertion(NULL, lang("newheadassertion_str"));

        }

        else

        {

            $this->_process_new_assertion($this->mainassert);

            $this->_show_preassertions($this->mainassert);

            $this->_show_assertion($this->mainassert);

            $this->_show_assertions($this->mainassert, lang("subassertions_str"));

            $this->_form_new_assertion($this->mainassert, lang("newsubassertion_str"));

        }

        $this->load->view('page_bottom');

    }

    function recalculate()

    {

        $this->opiniarbo_model->recalculate();

        echo "OK";

    }

    function _value_check($str)

    {

        if (strlen($str) > 0 &&  $str <= 10.0 && $str >= -10.0)

            return TRUE;

        $this->form_validation->set_message("_value_check", "Skribu valoron inter -10 kaj 10");

        return FALSE;

    }

    function _influence_check($str)

    {

        if (strlen($str) > 0 &&  $str <= 10.0 && $str >= -10.0)

            return TRUE;

        $this->form_validation->set_message("_influence_check", "Skribu influon inter -10 kaj 10");

        return FALSE;

    }

    function _show_users()

    {

        $viewdata['assertionid'] = $this->mainassert;

        $viewdata['other_user'] = $this->userid2;

        $viewdata['other_user_name'] = $this->opiniarbo_model->get_user_name($this->userid2);

        $viewdata['other_users'] = array_merge(array(array('id' => 0, 'name' => lang('noone_str'))),

            $this->opiniarbo_model->get_other_users($this->userid));

        $viewdata['loginlink'] = $this->aulib->getLoginLink();

        $this->load->view('users', $viewdata);

    }

    function _show_preassertions($id)

    {

        $viewdata['title'] = "Antaŭasertoj";

        $viewdata['assertionid'] = $this->mainassert;

        $viewdata['other_user'] = $this->userid2;

        $viewdata['user_name'] = $this->opiniarbo_model->get_user_name($this->userid);

        $viewdata['other_user_name'] = $this->opiniarbo_model->get_user_name($this->userid2);

        // Show the assertions

        $viewdata['assertions'] = $this->opiniarbo_model->get_preassertions($this->userid, $this->userid2, $id);

        if (count($viewdata['assertions']) > 0 )

        {

            foreach($viewdata['assertions'] as &$row)

            {

                if (isset($row['value1']))

                    $row['value1'] = ($row['value1'] - 0.5) * 20;

                if (isset($row['calc_value1']))

                    $row['calc_value1'] = ($row['calc_value1'] - 0.5)*20;

                if (isset($row['value2']))

                    $row['value2'] = ($row['value2'] - 0.5) * 20;

                if (isset($row['calc_value2']))

                    $row['calc_value2'] = ($row['calc_value2'] - 0.5)*20;

                if ($row['parent'] != NULL)

                    $viewdata['show_influences'] = TRUE;

            }

            $this->load->view('assertions', $viewdata);

        }

    }

    function _show_assertion($id)

    {

        $viewdata['title'] = lang("mainassertion_str");

        $viewdata['assertionid'] = $this->mainassert;

        $viewdata['other_user'] = $this->userid2;

        $viewdata['user_name'] = $this->opiniarbo_model->get_user_name($this->userid);

        $viewdata['other_user_name'] = $this->opiniarbo_model->get_user_name($this->userid2);

        $viewdata['assertions'] = array($this->opiniarbo_model->get_assertion($this->userid, $this->userid2, $id));

        foreach($viewdata['assertions'] as &$row)

        {

            if (isset($row['value1']))

                $row['value1'] = ($row['value1'] - 0.5) * 20;

            if (isset($row['calc_value1']))

                $row['calc_value1'] = ($row['calc_value1'] - 0.5)*20;

            if (isset($row['value2']))

                $row['value2'] = ($row['value2'] - 0.5) * 20;

            if (isset($row['calc_value2']))

                $row['calc_value2'] = ($row['calc_value2'] - 0.5)*20;

        }

        $viewdata['context'] = $viewdata['assertions'][0]['context'];

        if ($viewdata['assertions'][0]['parent'] != NULL)

            $viewdata['show_influences'] = TRUE;

        $this->load->view('assertions', $viewdata);

        $this->load->view('context', $viewdata);

    }

    function _show_assertions($parent, $title)

    {

        if ($parent != NULL)

        {

            $viewdata['show_influences'] = TRUE;

        }

        $viewdata['title'] = $title;

        $viewdata['assertionid'] = $this->mainassert;

        $viewdata['other_user'] = $this->userid2;

        $viewdata['user_name'] = $this->opiniarbo_model->get_user_name($this->userid);

        $viewdata['other_user_name'] = $this->opiniarbo_model->get_user_name($this->userid2);

        // Show the assertions

        $viewdata['assertions'] = $this->opiniarbo_model->get_assertions($this->userid, $this->userid2, $parent);

        if (count($viewdata['assertions']) > 0 )

        {

            foreach($viewdata['assertions'] as &$row)

            {

                if (isset($row['value1']))

                    $row['value1'] = ($row['value1'] - 0.5) * 20;

                if (isset($row['calc_value1']))

                    $row['calc_value1'] = ($row['calc_value1'] - 0.5)*20;

                if (isset($row['value2']))

                    $row['value2'] = ($row['value2'] - 0.5) * 20;

                if (isset($row['calc_value2']))

                    $row['calc_value2'] = ($row['calc_value2'] - 0.5)*20;

            }

            $this->load->view('assertions', $viewdata);

        }

    }

    function _process_new_assertion($parent)

    {

        if ($this->input->post('add'))

        {

            $this->form_validation->set_rules('text', 'Aserta teksto', 'required|min_length[1]');

            $this->form_validation->set_rules('value', 'Valoro', 'callback__value_check');

            if ($this->input->post('parent'))

                $this->form_validation->set_rules('influence', 'Influo', 'callback__influence_check');

            // Add the subassertion if possible

            if ($this->form_validation->run())

            {

                $dbdata['assert'] = $this->input->post('text');

                $dbdata['value'] = $this->input->post('value')/20. + 0.5;

                if ($this->input->post('parent'))

                    $dbdata['influence'] = $this->input->post('influence');

                if ($this->input->post('context'))

                    $dbdata['context'] = $this->input->post('context');

                if ($this->mainassert != 0)

                    $dbdata['parent'] = $this->mainassert;

                $this->opiniarbo_model->insert_assertion($this->aulib->getSessionId(),

                    $dbdata);

                $this->opiniarbo_model->recalculate($this->aulib->getSessionId());

            }

        }

        else if ($this->input->post('modify'))

        {

            $this->form_validation->set_rules('id', 'Aserto ID', 'required');

            $this->form_validation->set_rules('vid', 'Valoro ID', 'required');

            $this->form_validation->set_rules('value', 'Valoro', 'callback__value_check');

            if ($this->input->post('parent'))

                $this->form_validation->set_rules('influence', 'Influo', 'callback__influence_check');

            // Modify the values if possible

            if ($this->form_validation->run())

            {

                $dbdata['assertid'] = $this->input->post('id');

                $dbdata['valueid'] = $this->input->post('vid');

                $dbdata['value'] = $this->input->post('value')/20.+0.5;

                if ($this->input->post('parent'))

                    $dbdata['influence'] = $this->input->post('influence');

                $this->opiniarbo_model->modify_values($this->aulib->getSessionId(),

                    $dbdata);

                $this->opiniarbo_model->recalculate($this->aulib->getSessionId());

            }

        }

        else if ($this->input->post('delete'))

        {

            $this->form_validation->set_rules('vid', 'Valoro ID', 'required');

            if ($this->form_validation->run())

            {

                $dbdata['valueid'] = $this->input->post('vid');

                $this->opiniarbo_model->remove_value($this->aulib->getSessionId(),

                    $dbdata);

                $this->opiniarbo_model->recalculate($this->aulib->getSessionId());

            }

        }

        else if ($this->input->post('addvalue'))

        {

            $this->form_validation->set_rules('id', 'Valoro', 'required');

            if ($this->form_validation->run())

            {

                $dbdata['assertid'] = $this->input->post('id');

                $dbdata['value'] = $this->input->post('value')/20.+0.5;

                if ($this->input->post('parent'))

                    $dbdata['influence'] = $this->input->post('influence');

                $this->opiniarbo_model->add_value($this->aulib->getSessionId(),

                        $dbdata);

                $this->opiniarbo_model->recalculate($this->aulib->getSessionId());

            }

        }

    }

    function _form_new_assertion($parent, $title)

    {

        if ($parent != NULL)

        {

            $viewdata['parent_assertion_id'] = $parent;

        }

        $viewdata['title'] = $title;

        $viewdata['assertionid'] = $this->mainassert;

        $viewdata['other_user'] = $this->userid2;

        $this->load->view('new_assertion', $viewdata);

    }

}