{{ block title }}Profit Calculator and Chat{{ endblock }}
{{ block content }}

    <p>
        On this page you can use a calculator to compare profits for different prices set by each firm in the market.
        You will also see the size of the fine you would receive if caught in a cartel.
        If you are in a cartel, you can now also chat with the other cartel members.
    </p>

    <p>    
        You have a maximum of one minute that you can spend on this page in the first round.
        <br>
        In subsequent rounds you will have thirty seconds.
    </p>
    
    <!-- Only display the chat, so long as your group formed a cartel-->
    {% if group.cartel_formed %}
        {% include "chat_from_scratch/chat.html" %}
        <br>
    {% endif %}
    
    <style>
        /* Style for the form fields */
        .calculator-input {
            width: 50px;
            padding: 5px;
            border: 1px solid #ccc;
            border-radius: 3px;
            text-align: center;
            margin: 0 5px;
        }
        
        /* Style for the form field labels */
        .calculator-label {
            margin-right: 5px;
        }
    </style>
    <h3>Calculator</h3>
    <p>
        Input a non-negative price for all three firms to see the profits and fines they imply.
    </p>
    
    <!-- Form fields -->
    <div class="calculator-inputs">
        <label class="calculator-label" for="calculator_me">Me:</label>
        <input type="number" class="calculator-input" id="id_calculator_me" name="calculator_me" min="0" value="0">
        
        <label class="calculator-label" for="calculator_r1">Rival 1:</label>
        <input type="number" class="calculator-input" id="id_calculator_r1" name="calculator_r1" min="0" value="0">
        
        <label class="calculator-label" for="calculator_r2">Rival 2:</label>
        <input type="number" class="calculator-input" id="id_calculator_r2" name="calculator_r2" min="0" value="0">
        <br>
        <br>
        <label class="calculator-label" for="calculator_set_all">Set all:</label>
        <input type="number" class="calculator-input" id="id_calculator_set_all" name="calculator_set_all" min="0" value="0">
    </div>
    
    <p>
        <br>
        This outcome would earn you a profit of:
    </p>
    <h3><span id="calculator_profit"></span> <small>points</small></h3>
    
    <p id="calculator_fine_text">
        If a cartel would set these prices and be discovered,
        they would result in a fine of:
    </p>
    <h3><span id="calculator_fine"></span> <small>points</small></h3>
    <br>
    
    <!-- Adjust the next_button html to connect it to the leave message -->
    <button id="leave_chat_button" class="otree-btn-next btn btn-primary">Next</button>
    <br>
    <!-- Make a button to toggle the instructions -->
    <button type="button" class="btn btn-primary btn-lg small-btn" id="instructions-toggle" style="margin-top: 20px";>Instructions</button>

    <div id="instructions-container" style="margin-top: 20px;">
        {% include C.INSTRUCTIONS_TEMPLATE %}
      </div>

{% block scripts %}
    <script>
    $(function() {
    // Hide the instructions template by default
    $('#instructions-container').hide();

    // Toggle the instructions template when the button is clicked
    $('#instructions-toggle').click(function() {
        $('#instructions-container').toggle();
    });
    });
    </script>

    <!-- Adjust the size of the instructions button -->
    <style>
        .small-btn {
        width: 120px;
        height: 40px;
        font-size: 16px;
        }
    </style>

    <!-- Calculator -->
    <script>
        let calculator_meInput = document.getElementsByName('calculator_me')[0];
        let calculator_r1Input = document.getElementsByName('calculator_r1')[0];
        let calculator_r2Input = document.getElementsByName('calculator_r2')[0];
        let calculator_profitEle = document.getElementById('calculator_profit');
        let calculator_setAllInput = document.getElementsByName('calculator_set_all')[0];
        let calculator_fineEle = document.getElementById('calculator_fine'); 
        let calculator_fine_text = document.getElementById('calculator_fine_text')

        calculator_profitEle.innerText = 'NA';
        calculator_fineEle.innerText = 'NA';

        function recalc() {
            let Me = parseInt(calculator_meInput.value);
            let Rival1 = parseInt(calculator_r1Input.value);
            let Rival2 = parseInt(calculator_r2Input.value);

            // isNaN is the javascript function that checks whether the value is a valid number.
            if (isNaN(Me) || isNaN(Rival1) || isNaN(Rival2)) {
                calculator_profitEle.innerText = 'NA';
                calculator_fineEle.innerText = 'NA';

            } else {
                let lowestPrice = Math.min(Me, Rival1, Rival2);
                let numPlayersWithLowestPrice = 0;

                if (Me === lowestPrice) {
                    numPlayersWithLowestPrice++;
                }
                if (Rival1 === lowestPrice) {
                    numPlayersWithLowestPrice++;
                }
                if (Rival2 === lowestPrice) {
                    numPlayersWithLowestPrice++;
                }

                let totalQuantity = Math.max(0, {{ C.MAX_DEMAND }} - lowestPrice);
                let calculator_profit = (Me === lowestPrice) ? totalQuantity * (Me - {{ C.MARGINAL_COST }}) / numPlayersWithLowestPrice : 0;
                calculator_profitEle.innerText = Math.round(calculator_profit);

                let calculator_fine;
                mode = js_vars.mode;
                if (mode === 'revenue') {
                    calculator_fine = (Me === lowestPrice) ? {{ C.REVENUE_RATE }} * Math.max(0, (lowestPrice * totalQuantity / numPlayersWithLowestPrice)) : 0;
                } else if (mode === 'profit') {
                    calculator_fine = (Me === lowestPrice) ? {{ C.PROFIT_RATE }} * Math.max(0, calculator_profit) : 0;
                } else if (mode === 'overcharge') {
                    calculator_fine = {{ C.OVERCHARGE_RATE }} * Math.max(0, (Me - {{ C.NASH_PRICE }}) * {{ C.NASH_QUANTITY }} / {{ C.PLAYERS_PER_GROUP }});
                }

                calculator_fineEle.innerText = Math.round(calculator_fine);
            }
        }

        function setAllInputs() {
            let value = parseInt(calculator_setAllInput.value);
            if (!isNaN(value)) {
                calculator_meInput.value = value;
                calculator_r1Input.value = value;
                calculator_r2Input.value = value;
                recalc();
            }
        }

        calculator_setAllInput.oninput = setAllInputs;

        function set_text(){

            let cartel_formed = js_vars.cartel_formed

            if (cartel_formed){
                calculator_fine_text.textContent = 'If your cartel is discovered, these prices will result in a fine of:'
            }

        }

        calculator_fine_text.onload = set_text()

        calculator_meInput.oninput = recalc;
        calculator_r1Input.oninput = recalc;
        calculator_r2Input.oninput = recalc;
        
    </script>
    {% endblock %}
{% endblock %}