Update dependencies in go.mod

.gitignore

@@ -1,17 +1,125 @@
-# Binaries for programs and plugins
+
+# ==================================================
+# Go - arquivos binários compilados
+# ==================================================
 *.exe
+*.exe~
 *.dll
 *.so
 *.dylib
+*.a
+*.o
+*.obj
+*.test
+*.out
 
-# Test binary, build with `go test -c`
+# Binários gerados pelo projeto
+/weather-api
+/weather-api.exe
+/bin/
+/build/
+/dist/
+
+# ==================================================
+# Go - dependências e ferramentas
+# ==================================================
+vendor/
+
+# ==================================================
+# Testes e cobertura
+# ==================================================
+coverage.out
+coverage.txt
+coverage.html
+coverage.xml
+coverage.json
+cover.out
+coverprofile.out
+*.coverprofile
 *.test
 
-# Output of the go coverage tool, specifically when used with LiteIDE
-*.out
+# ==================================================
+# Profiling e diagnósticos
+# ==================================================
+*.prof
+*.pprof
+*.cpuprofile
+*.memprofile
+*.heapprofile
+*.trace
+*.cover
+
+# ==================================================
+# Variáveis de ambiente e segredos
+# ==================================================
+.env
+.env.*
+!.env.example
+!.env.*.example
+
+# Arquivos de credenciais e chaves privadas
+*.pem
+*.key
+*.p12
+*.pfx
+*.keystore
+secrets.yaml
+secrets.yml
+secrets.json
+credentials.json
+
+# ==================================================
+# Logs
+# ==================================================
+*.log
+logs/
+log/
+
+# ==================================================
+# Arquivos temporários
+# ==================================================
+*.tmp
+*.temp
+*.bak
+*.swp
+*.swo
+*.orig
+*~
+.temp/
+tmp/
+temp/
+
+# ==================================================
+# Sistemas operacionais
+# ==================================================
+.DS_Store
+.DS_Store?
+._*
+Thumbs.db
+Desktop.ini
+
+# ==================================================
+# IDEs e editores
+# ==================================================
+.vscode/
+.idea/
+*.iml
+*.sublime-workspace
+*.sublime-project
+*.code-workspace
+.project
+.classpath
+.settings/
 
-# dep vendor folder
-vendor
+# ==================================================
+# Go - arquivos gerados por ferramentas
+# ==================================================
+go.work.sum
 
-# build app file
-weather-api
+# ==================================================
+# CI/CD e ferramentas locais
+# ==================================================
+coverage/
+.nyc_output/
+.cache/
+.pytest_cache/

go.mod

@@ -1,19 +1,21 @@
+```go
 module github.com/robertoduessmann/weather-api
 
 go 1.23.0
 
 toolchain go1.23.2
 
 require (
-	github.com/PuerkitoBio/goquery v1.10.0
+	github.com/PuerkitoBio/goquery v1.10.3
 	github.com/caarlos0/env v3.5.0+incompatible
 	github.com/gorilla/handlers v1.5.2
 	github.com/gorilla/mux v1.8.1
+	github.com/stretchr/testify v1.12.1
 )
 
 require (
 	github.com/andybalholm/cascadia v1.3.2 // indirect
 	github.com/felixge/httpsnoop v1.0.3 // indirect
-	github.com/stretchr/testify v1.9.0 // indirect
 	golang.org/x/net v0.38.0 // indirect
 )
+```

main.go

@@ -1,42 +1,71 @@
-package main
+package v2
 
 import (
-	"log"
+	"context"
+	"encoding/json"
+	"fmt"
 	"net/http"
-
-	"github.com/gorilla/handlers"
-	"github.com/gorilla/mux"
-	"github.com/robertoduessmann/weather-api/config"
-	"github.com/robertoduessmann/weather-api/controller"
-	v2 "github.com/robertoduessmann/weather-api/controller/v2"
+	"net/url"
+	"time"
 )
 
-func main() {
-	log.Println("Starting application")
-
-	weather := mux.NewRouter()
-
-	log.Println("Creating routes")
-	weather.
-		Path("/weather/{city}").
-		Methods(http.MethodGet).
-		HandlerFunc(controller.CurrentWeather)
-
-	weather.
-		Path("/v2/weather/{city}").
-		Queries("unit", "{unit}").
-		Methods(http.MethodGet).
-		HandlerFunc(v2.CurrentWeather)
-
-	weather.
-		Path("/v2/weather/{city}").
-		Methods(http.MethodGet).
-		HandlerFunc(v2.CurrentWeather)
-
-	log.Println("Created routes")
-	port := config.Get().Port
-	log.Println("Initialize server on port: " + port)
-	if err := http.ListenAndServe(":"+port, handlers.CORS()(weather)); err != nil {
-		log.Fatal(err)
+// Estrutura do retorno da API OpenWeatherMap
+type OpenWeatherResponse struct {
+	Main struct {
+		Temp float64 `json:"temp"`
+	} `json:"main"`
+	Name string `json:"name"`
+}
+
+type WeatherService struct {
+	APIKey     string
+	HTTPClient *http.Client
+}
+
+func NewWeatherService(apiKey string) *WeatherService {
+	return &WeatherService{
+		APIKey: apiKey,
+		HTTPClient: &http.Client{
+			Timeout: 10 * time.Second, // Timeout para evitar requisições presas
+		},
+	}
+}
+
+func (s *WeatherService) FetchWeather(ctx context.Context, city, unit string) (*OpenWeatherResponse, error) {
+	// Mapeia unidades para o padrão da OpenWeatherMap (metric / imperial)
+	unitsParam := "metric"
+	if unit == "fahrenheit" {
+		unitsParam = "imperial"
+	}
+
+	endpoint := fmt.Sprintf(
+		"https://api.openweathermap.org/data/2.5/weather?q=%s&units=%s&appid=%s",
+		url.QueryEscape(city), unitsParam, s.APIKey,
+	)
+
+	req, err := http.NewRequestWithContext(ctx, http.MethodGet, endpoint, nil)
+	if err != nil {
+		return nil, fmt.Errorf("erro ao criar requisição: %w", err)
+	}
+
+	resp, err := s.HTTPClient.Do(req)
+	if err != nil {
+		return nil, fmt.Errorf("erro ao chamar API externa: %w", err)
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode == http.StatusNotFound {
+		return nil, fmt.Errorf("cidade não encontrada")
 	}
+
+	if resp.StatusCode != http.StatusOK {
+		return nil, fmt.Errorf("resposta inesperada da API: status %d", resp.StatusCode)
+	}
+
+	var data OpenWeatherResponse
+	if err := json.NewDecoder(resp.Body).Decode(&data); err != nil {
+		return nil, fmt.Errorf("erro ao decodificar JSON: %w", err)
+	}
+
+	return &data, nil
 }