MediaWiki:Common.js

// --- DROPRATE CALCULATOR USING DROPRATES.JS ---
mw.loader.using([], function() { // no modules required
    mw.hook('wikipage.content').add(function () {

        var container = document.getElementById("dropCalcContainer");
        if (!container) return;

        // Make sure DROPRATES is loaded
        if (typeof DROPRATES === "undefined") {
            console.error("DROPRATES is not loaded!");
            return;
        }

        // Build HTML table
        container.innerHTML =
            '<table id="dropCalcTable" style="border-collapse: collapse; width: 100%; max-width: 600px;">' +
            '<thead></thead><tbody></tbody></table>' +
            '<br><button id="calcDropBtn">Calculate Drop Rate</button>' +
            '<div style="margin-top:10px;">Final Drop Rate: <span id="finalDrop">0</span></div>';

        var table = document.getElementById("dropCalcTable");
        var header = table.createTHead();
        var headerRow = header.insertRow();
        headerRow.innerHTML =
            '<th style="padding-left: 10px;">Bonus</th>' +
            '<th>Percentage</th>' +
            '<th>Drop Rate</th>';
        headerRow.style.background = '#222e45';
        headerRow.style.color = '#fff';
        headerRow.style.fontWeight = 'bold';
        headerRow.style.textAlign = 'left';

        var tbody = table.tBodies[0];

        var bonuses = [
            {name: "Donator Rank", id: "donatorBonus", options:[
                {name:"None", value:0},{name:"Donator 15%", value:15},{name:"Super Donator 25%", value:25},
                {name:"Extreme Donator 30%", value:30},{name:"Legendary Donator 35%", value:35},
                {name:"Royal Donator 40%", value:40},{name:"Divine Donator 45%", value:45}]},
            {name:"Monster Slayer Perk", id:"slayerBonus", options:[{name:"None", value:0},{name:"10%", value:10}]},
            {name:"Collector's Ring", id:"ringBonus", options:[{name:"None", value:0},{name:"3%", value:3},{name:"6%", value:6}]},
            {name:"Skull Bonus", id:"skullBonus", options:[{name:"None", value:0},{name:"20%", value:20}]},
            {name:"Voting Bonus", id:"voteBonus", options:[{name:"None", value:0},{name:"20%", value:20}]}
        ];

        // Populate bonus rows
        bonuses.forEach(function(bonus,index){
            var row = tbody.insertRow();
            row.style.background = index % 2 === 0 ? '#313e59' : '#222e45';
            var cell1 = row.insertCell(); cell1.textContent = bonus.name; cell1.style.padding='5px';
            var cell2 = row.insertCell(); var select = document.createElement('select'); select.id=bonus.id;
            bonus.options.forEach(function(opt){var option=document.createElement('option'); option.value=opt.value; option.textContent=opt.name; select.appendChild(option);});
            cell2.appendChild(select); cell2.style.padding='5px';
            var cell3 = row.insertCell(); cell3.id = bonus.id + "Preview"; cell3.textContent="-"; cell3.style.padding='5px';
        });

        // Searchable item selector
        var baseDiv = document.createElement('div');
        baseDiv.style.margin = '10px 0';
        baseDiv.innerHTML = 'Item: <input list="dropItems" id="itemSearch" placeholder="Search item..." style="width:250px;"> ' +
            'Base Rate: <input type="number" id="baseRate" value="1000" style="width:80px;">' +
            '<datalist id="dropItems"></datalist>';
        container.insertBefore(baseDiv, table);

        // Populate datalist from DROPRATES
        var dataList = document.getElementById("dropItems");
        DROPRATES.forEach(function(item){
            var option = document.createElement('option');
            option.value = item[0] + ' (1/' + item[1] + ')';
            option.dataset.rate = item[1];
            dataList.appendChild(option);
        });

        // Auto-fill base rate on selection
        var itemInput = document.getElementById("itemSearch");
        itemInput.onchange = function() {
            var val = itemInput.value;
            var options = dataList.options;
            for (var i = 0; i < options.length; i++) {
                if (options[i].value === val) {
                    document.getElementById("baseRate").value = options[i].dataset.rate;
                    break;
                }
            }
        };

        // Calculate final drop rate
        document.getElementById("calcDropBtn").onclick = function() {
            var base = parseFloat(document.getElementById("baseRate").value) || 0;
            var finalRate = base;
            bonuses.forEach(function(bonus){
                var val = parseFloat(document.getElementById(bonus.id).value) || 0;
                finalRate *= (1 - val / 100);
                document.getElementById(bonus.id + "Preview").textContent = Math.floor(finalRate);
            });
            document.getElementById("finalDrop").textContent = Math.floor(finalRate);
        };
    });
});