Create app.py

app.py

@@ -0,0 +1,66 @@
+from fastapi import FastAPI, HTTPException
+from fastapi.middleware.cors import CORSMiddleware
+import random
+
+app = FastAPI(title="PokeAula API")
+
+# Liberando CORS para que o React (localhost ou netlify/vercel) consiga acessar
+app.add_middleware(
+    CORSMiddleware,
+    allow_origins=["*"],
+    allow_methods=["*"],
+    allow_headers=["*"],
+)
+
+# Simulando um Banco de Dados de Pokémons
+# Estruturado para praticar acesso a propriedades: pokemon.stats.hp
+pokedex = [
+    {
+        "id": 1, 
+        "name": "Bulbasaur", 
+        "type": ["Gramas", "Veneno"], 
+        "image": "https://raw.githubusercontent.com/PokeAPI/sprites/master/sprites/pokemon/1.png",
+        "stats": {"hp": 45, "attack": 49, "defense": 49}
+    },
+    {
+        "id": 4, 
+        "name": "Charmander", 
+        "type": ["Fogo"], 
+        "image": "https://raw.githubusercontent.com/PokeAPI/sprites/master/sprites/pokemon/4.png",
+        "stats": {"hp": 39, "attack": 52, "defense": 43}
+    },
+    {
+        "id": 7, 
+        "name": "Squirtle", 
+        "type": ["Água"], 
+        "image": "https://raw.githubusercontent.com/PokeAPI/sprites/master/sprites/pokemon/7.png",
+        "stats": {"hp": 44, "attack": 48, "defense": 65}
+    },
+    {
+        "id": 25, 
+        "name": "Pikachu", 
+        "type": ["Elétrico"], 
+        "image": "https://raw.githubusercontent.com/PokeAPI/sprites/master/sprites/pokemon/25.png",
+        "stats": {"hp": 35, "attack": 55, "defense": 40}
+    }
+]
+
+@app.get("/pokemon")
+def list_all():
+    """Retorna todos para o primeiro fetch da aula."""
+    return pokedex
+
+@app.get("/pokemon/{id}")
+def get_one(id: int):
+    """Para testar async/await com parâmetros e erro 404."""
+    pokemon = next((p for p in pokedex if p["id"] == id), None)
+    if not pokemon:
+        raise HTTPException(status_code=404, detail="Pokémon não encontrado na base de dados da aula!")
+    return pokemon
+
+@app.get("/battle-check")
+def battle():
+    """Rota instável para praticar try/catch (erro 500 aleatório)."""
+    if random.random() < 0.5:
+        raise HTTPException(status_code=500, detail="A batalha caiu! Tente novamente.")
+    return {"status": "Vitória!", "xp_ganho": 150}