//Finally saves the selection in the correct order of the part ids and sets input HTML Tags accordingly

function saveSelection(){

    var table = document.getElementById("decision_table");
    var rows = table.rows;

    var sorted_selection =[];
    var sorted_weights = [];
    var sorted_value = [];
    var total_weight = 0;
    var total_value = 0;
    for(var i = 2; i < (rows.length - 3); i++){
        var part_id = parseInt(rows[i].getElementsByTagName("TD")[5].innerHTML); //We get the real part id from a hidden column at the end of the table
        var weight = parseFloat(rows[i].getElementsByTagName("TD")[1].innerHTML);
        var value = parseFloat(rows[i].getElementsByTagName("TD")[2].innerHTML);
        var selected = document.getElementById('part_' + (part_id)).checked;

        total_weight += (weight*selected);
        total_value += (value*selected);
        sorted_weights[part_id-1] = weight;
        sorted_value[part_id-1] = value;
        sorted_selection[part_id-1] = selected; 
    }
       
    console.log(sorted_weights);
    console.log(sorted_value);
    console.log(sorted_selection);

    console.log('Total Weight: ' + total_weight);
    console.log('Total Value: ' + total_value);

    document.getElementById("id_r_weight").value = sorted_weights;
    document.getElementById("id_r_value").value = sorted_value;
    document.getElementById("id_sel").value = sorted_selection;
    document.getElementById("id_total_weight").value = total_weight;
    document.getElementById("id_total_value").value = total_value;
    
    //Ensure that all click_hsitory fields are filled so that no error is shown

    if(document.getElementById("id_click_history").value == ''){
        document.getElementById("id_click_history").value = 'neither selected nor sorted';
    }
}


function fixButtons(key, recommendation_decision){
    console.log("Fix buttons, selected: " + recommendation_decision)
    var color_deactivated;
    var treatment = document.getElementById("id_treatment").name;

    if (key == 'disabled'){
        // 2 buttons disablen
        document.getElementById("decision_heur").disabled = true;
        document.getElementById("decision_opt").disabled = true;
        // colour von einem Button auf grau setzen
    }

    color_deactivated = 'grey';
    color_activated = '#007BFF';
    
        
    if (recommendation_decision == 'opt_sol'){
        document.getElementById("id_click_history").value += "opt_";

        changeButtons("decision_opt", color_activated);

        if (treatment == 'opt_heur_dec_c' || treatment == 'opt_heur_dec' && document.title == 'Task Description'){
            changeButtons("decision_heur", color_deactivated);
        }
        else if (treatment == 'decide_three_sol_c'){
           changeButtons("decision_second", color_deactivated);
           changeButtons("decision_third", color_deactivated);
           
        }
    }
    else if (recommendation_decision == 'second_sol'){
        document.getElementById("id_click_history").value += "second_";

        changeButtons("decision_opt", color_deactivated);
        changeButtons("decision_second", color_activated);
        changeButtons("decision_third", color_deactivated);
    }
    else if (recommendation_decision == 'third_sol'){
        document.getElementById("id_click_history").value += "third_";

        changeButtons("decision_opt", color_deactivated);
        changeButtons("decision_second", color_deactivated);
        changeButtons("decision_third", color_activated);
    }
    else if (recommendation_decision == 'heur_sol'){
        document.getElementById("id_click_history").value += "heur_";

        changeButtons("decision_opt", color_deactivated);
        changeButtons("decision_heur", color_activated);
    }

    //if next_button == False:
    btn_class = 'type="button" name="offer_accepted" value="False" class="btn btn-primary btn-large"'

}

function changeButtons(name, color){
    console.log(name)
    document.getElementById(name).style.backgroundColor = color;
    document.getElementById(name).style.borderColor = color;
}


function setRecommendationRequest(recommendation_requested){

    if (document.title != 'Task Description'){
        document.getElementById("reco_decision_yes_id").disabled = true;
        document.getElementById("reco_decision_no_id").disabled = true;
    }

    color_deactivated = 'grey';
    color_activated = '#007BFF';

    if (recommendation_requested){
        document.getElementById("id_first_sel").value = 'optimal_solution_requested';

        document.getElementById("reco_decision_yes_id").style.backgroundColor = color_activated;
        document.getElementById("reco_decision_yes_id").style.borderColor = color_activated;

        document.getElementById("reco_decision_no_id").style.backgroundColor = color_deactivated;
        document.getElementById("reco_decision_no_id").style.borderColor = color_deactivated;
    } else {
        document.getElementById("id_first_sel").value = 'optimal_solution_rejected';

        document.getElementById("reco_decision_yes_id").style.backgroundColor = color_deactivated;
        document.getElementById("reco_decision_yes_id").style.borderColor = color_deactivated;

        document.getElementById("reco_decision_no_id").style.backgroundColor = color_activated;
        document.getElementById("reco_decision_no_id").style.borderColor = color_activated;

    }

    createDecisionTable();

    $(".gurke").click(function(){
        save_selection_clicks(current_selection);
        computeWeight();
    })

    computeWeight();

}