Guilhermes

2026-03-23 17:42:36 +00:00
parent 2f1935bf94
commit 44f456eb29
57 changed files with 1916 additions and 0 deletions
--- a/GuilhermesApp/Pages/ChatPage.xaml.cs
+++ b/GuilhermesApp/Pages/ChatPage.xaml.cs
@@ -0,0 +1,94 @@
+using System.Text;
+using System.Text.Json;
+using Microsoft.Maui.Controls.Shapes;
+
+namespace GuilhermesApp.Pages;
+
+public partial class ChatPage : ContentPage
+{
+    private const string ApiKey = "AIzaSyBfQIHWK57GDhk4N-xYg_bEVWyQ6X1EmwA";
+    private const string Url = $"https://generativelanguage.googleapis.com/v1beta/models/gemini-2.5-flash:generateContent?key={ApiKey}";    
+    private HttpClient _httpClient = new HttpClient();
+
+    public ChatPage()
+    {
+        InitializeComponent();
+        AdicionarBalao("Olá! Sou o assistente da GuilhermesApp. Como te posso ajudar hoje?", false);
+    }
+
+    private async void OnEnviarClicked(object sender, EventArgs e)
+    {
+        if (string.IsNullOrWhiteSpace(MensagemEntry.Text)) return;
+
+        string textoUser = MensagemEntry.Text;
+        MensagemEntry.Text = ""; 
+        AdicionarBalao(textoUser, true);
+
+        EnviarBtn.IsEnabled = false;
+
+        try
+        {
+            var requestBody = new { contents = new[] { new { parts = new[] { new { text = textoUser } } } } };
+            var content = new StringContent(JsonSerializer.Serialize(requestBody), Encoding.UTF8, "application/json");
+            
+            var response = await _httpClient.PostAsync(Url, content);
+            var json = await response.Content.ReadAsStringAsync();
+
+            using var doc = JsonDocument.Parse(json);
+
+            // Verifica se o pedido teve sucesso
+            if (response.IsSuccessStatusCode)
+            {
+                var respostaBot = doc.RootElement
+                    .GetProperty("candidates")[0]
+                    .GetProperty("content")
+                    .GetProperty("parts")[0]
+                    .GetProperty("text").GetString();
+
+                AdicionarBalao(respostaBot, false);
+            }
+            else
+            {
+                // Lê a mensagem de erro real da Google
+                string erroGoogle = "Erro desconhecido.";
+                if (doc.RootElement.TryGetProperty("error", out var errorElement) && 
+                    errorElement.TryGetProperty("message", out var msgElement))
+                {
+                    erroGoogle = msgElement.GetString() ?? "Erro desconhecido";
+                }
+                AdicionarBalao($"A API recusou: {erroGoogle}", false);
+            }
+        }
+        catch (Exception ex)
+        {
+            AdicionarBalao($"Erro interno: {ex.Message}", false);
+        }
+
+        EnviarBtn.IsEnabled = true;
+    }
+    // Cria os balões visuais
+    private void AdicionarBalao(string? texto, bool isUser)
+    {
+        var label = new Label
+        {
+            Text = texto,
+            TextColor = Colors.Black,
+            Padding = 15
+        };
+
+        var border = new Border
+        {
+            StrokeShape = new RoundRectangle { CornerRadius = new CornerRadius(15) },
+            BackgroundColor = isUser ? Color.FromArgb("#D1E8FF") : Color.FromArgb("#F3F4F6"),
+            Stroke = Colors.Transparent,
+            Margin = new Thickness(isUser ? 50 : 0, 5, isUser ? 0 : 50, 5),
+            HorizontalOptions = isUser ? LayoutOptions.End : LayoutOptions.Start,
+            Content = label
+        };
+
+        ChatStack.Children.Add(border);
+        
+        // Faz scroll automático para o fundo
+        ChatScroll.ScrollToAsync(ChatStack, ScrollToPosition.End, true);
+    }
+}