From b739537c97f5cd36ea3b61f1b41c5a186764ad9d Mon Sep 17 00:00:00 2001
From: Brennan Bibic <brennan.bibic@gmail.com>
Date: Mon, 23 Sep 2024 13:40:09 -0400
Subject: [PATCH] Try global leaderboard stuff

---
 .../templates/ranked/global_leaderboard.html  | 26 ++++++++
 ranked/templates/ranked/leaderboard.html      |  5 +-
 ranked/urls.py                                |  1 +
 ranked/views.py                               | 66 ++++++++++++++++++-
 4 files changed, 95 insertions(+), 3 deletions(-)
 create mode 100644 ranked/templates/ranked/global_leaderboard.html

diff --git a/ranked/templates/ranked/global_leaderboard.html b/ranked/templates/ranked/global_leaderboard.html
new file mode 100644
index 0000000..bf041cd
--- /dev/null
+++ b/ranked/templates/ranked/global_leaderboard.html
@@ -0,0 +1,26 @@
+{% extends 'base.html' %}
+
+{% block content %}
+<h1>Global Elo Leaderboard</h1>
+<table class="table table-dark table-striped table-hover table-sm" style="text-align: center">
+    <thead>
+        <tr>
+            <th>Rank</th>
+            <th>Player</th>
+            <th>Elo</th>
+            <th>Rank Title</th>
+        </tr>
+    </thead>
+    <tbody>
+        {% for entry in players_with_rank %}
+        <tr>
+            <td>{{ forloop.counter }}</td>
+            <td>{{ entry.player.username }}</td>
+            <td>{{ entry.global_elo }}</td>
+            <!-- Updated line to use CSS class instead of inline style -->
+            <td class="{{ entry.color }}">{{ entry.rank }}</td>
+        </tr>
+        {% endfor %}
+    </tbody>
+</table>
+{% endblock %}
\ No newline at end of file
diff --git a/ranked/templates/ranked/leaderboard.html b/ranked/templates/ranked/leaderboard.html
index 14397f5..bc6bd49 100644
--- a/ranked/templates/ranked/leaderboard.html
+++ b/ranked/templates/ranked/leaderboard.html
@@ -33,8 +33,9 @@ <h1 style="color: white" class="display-4 fw-normal">
                 <a href="/ranked/{{ leaderboard_code }}/{{ player_data.player.player.id }}">{{ player_data.player.player }}</a>
             </td>
             <td>{{ player_data.player.elo|floatformat:1 }}</td>
-            <td>{{ player_data.player.mmr|floatformat:1 }}</td>
-            <td style="color: {{ player_data.color }}">{{ player_data.rank }}</td>
+            <td>{{ player_data.mmr|floatformat:1 }}</td>
+            <!-- Updated line to use CSS class instead of inline style -->
+            <td class="{{ player_data.color }}">{{ player_data.rank }}</td>
             <td>{{ player_data.player.matches_played }}</td>
             <td>{{ player_data.player.win_rate|floatformat:2 }}%</td>
             <td>{{ player_data.player.matches_won }}</td>
diff --git a/ranked/urls.py b/ranked/urls.py
index bbadb99..32ef713 100644
--- a/ranked/urls.py
+++ b/ranked/urls.py
@@ -6,4 +6,5 @@
     path('', views.ranked_home, name='home'),
     path('<str:name>/', views.leaderboard, name='leaderboard'),
     path('<str:name>/<str:player_id>', views.player_info, name='player_info'),
+    path('global_leaderboard/', views.global_leaderboard, name='global_leaderboard'),
 ]
diff --git a/ranked/views.py b/ranked/views.py
index 9d9e08e..aca8f40 100644
--- a/ranked/views.py
+++ b/ranked/views.py
@@ -1,5 +1,5 @@
 from django.shortcuts import render, HttpResponseRedirect
-from django.db.models import Max, Min, F, Q, Count, ExpressionWrapper, FloatField, Case, When, Value
+from django.db.models import Max, Min, F, Q, Count, ExpressionWrapper, FloatField, Case, When, Value, Sum
 from django.utils import timezone
 from datetime import datetime, timedelta
 import math
@@ -115,3 +115,67 @@ def player_info(request, name, player_id):
 
 def mmr_calc(elo, matches_played, delta_hours):
     return elo * 2 / ((1 + pow(math.e, 1/168 * pow(delta_hours, 0.63))) * (1 + pow(math.e, -0.33 * matches_played)))
+
+def global_leaderboard(request):
+    # Fetch all players
+    players = PlayerElo.objects.all()
+
+    global_scores = []
+
+    for player in players:
+        # Fetch all game modes for the player
+        game_modes = GameMode.objects.filter(playerelo=player)
+
+        if not game_modes.exists():
+            continue
+
+        # Determine the most played game mode per game type
+        game_type_dict = {}
+        for mode in game_modes:
+            game_type = mode.game
+            match_count = mode.match_count  # Assuming 'match_count' exists
+            if game_type not in game_type_dict or match_count > game_type_dict[game_type]['match_count']:
+                game_type_dict[game_type] = {'mode': mode, 'match_count': match_count}
+
+        # Calculate weighted Elo
+        total_weight = 0
+        weighted_elo = 0
+        for game_type, data in game_type_dict.items():
+            weight = data['match_count']  # Full weight for the most played game
+            weighted_elo += data['mode'].elo * weight
+            total_weight += weight
+
+        # Adjust weights for less played games (1/3 weight)
+        for game_type, data in game_type_dict.items():
+            if data['match_count'] < max(d['match_count'] for d in game_type_dict.values()):
+                weighted_elo += data['mode'].elo * (data['match_count'] / 3)
+                total_weight += data['match_count'] / 3
+
+        if total_weight > 0:
+            global_elo = weighted_elo / total_weight
+            global_scores.append({'player': player, 'global_elo': global_elo})
+
+    # Sort players by global Elo in descending order
+    global_scores = sorted(global_scores, key=lambda x: x['global_elo'], reverse=True)
+
+    # Assign ranks and colors
+    highest_elo = global_scores[0]['global_elo'] if global_scores else 0
+    lowest_elo = global_scores[-1]['global_elo'] if global_scores else 0
+
+    players_with_rank = []
+    for entry in global_scores:
+        rank, color = mmr_to_rank(entry['global_elo'], highest_elo, lowest_elo)
+        players_with_rank.append({
+            'player': entry['player'],
+            'rank': rank,
+            'color': color,
+            'global_elo': round(entry['global_elo'], 1),
+        })
+
+    context = {
+        'leaderboard_code': 'global',
+        'leaderboard_name': 'Global Elo Leaderboard',
+        'players_with_rank': players_with_rank,
+    }
+
+    return render(request, "ranked/global_leaderboard.html", context)