package handlers

import (
	"context"
	"encoding/json"
	"net/http"
	"net/http/httptest"
	"testing"

	"github.com/go-chi/chi/v5"
	"git.workflows.cl/mcabezas/testing-go-example/internal/models"
)

func TestGetBook(t *testing.T) {
	handler := NewBookHandler()

	req := httptest.NewRequest(http.MethodGet, "/books/1", nil)

	// Configurar contexto de chi con el parámetro id
	rctx := chi.NewRouteContext()
	rctx.URLParams.Add("id", "1")
	req = req.WithContext(context.WithValue(req.Context(), chi.RouteCtxKey, rctx))

	w := httptest.NewRecorder()

	handler.GetBook(w, req)

	// Verificar código de estado
	if w.Code != http.StatusOK {
		t.Errorf("esperaba status 200, obtuvo %d", w.Code)
	}

	// Verificar respuesta
	var book models.Book
	if err := json.NewDecoder(w.Body).Decode(&book); err != nil {
		t.Fatalf("error al decodificar: %v", err)
	}

	if book.ID != "1" {
		t.Errorf("esperaba ID '1', obtuvo '%s'", book.ID)
	}

	if book.Title != "El Quijote" {
		t.Errorf("esperaba título 'El Quijote', obtuvo '%s'", book.Title)
	}
}

func TestGetBook_NotFound(t *testing.T) {
	handler := NewBookHandler()

	req := httptest.NewRequest(http.MethodGet, "/books/999", nil)

	rctx := chi.NewRouteContext()
	rctx.URLParams.Add("id", "999")
	req = req.WithContext(context.WithValue(req.Context(), chi.RouteCtxKey, rctx))

	w := httptest.NewRecorder()

	handler.GetBook(w, req)

	if w.Code != http.StatusNotFound {
		t.Errorf("esperaba status 404, obtuvo %d", w.Code)
	}
}