package expiry

import (
	"net/http"
	"net/http/httptest"
	"testing"

	"github.com/gin-gonic/gin"
)

func TestHandler_HealthzAndBadPathBranches(t *testing.T) {
	r := newTestRouter(t)

	// 覆盖 healthz。
	{
		db := newTestDB(t)
		handler := NewHandler(NewService(NewRepository(db)))
		w := httptest.NewRecorder()
		c, _ := gin.CreateTestContext(w)
		handler.Healthz(c)
		if w.Code != http.StatusOK {
			t.Fatalf("healthz status=%d", w.Code)
		}
	}

	// 覆盖错误分支。
	badIDDelete := requestJSON(t, r, http.MethodDelete, "/api/expiry/items/abc", nil)
	if badIDDelete.Code != http.StatusBadRequest {
		t.Fatalf("expected bad id 400, got %d", badIDDelete.Code)
	}

	badDateCreate := requestJSON(t, r, http.MethodPost, "/api/expiry/items", map[string]interface{}{
		"name":            "错误日期",
		"category":        "food",
		"production_date": "2026/01/01",
		"expiry_date":     "2030-01-01",
	})
	if badDateCreate.Code != http.StatusBadRequest {
		t.Fatalf("expected bad date 400, got %d", badDateCreate.Code)
	}

	badStatus := requestJSON(t, r, http.MethodPost, "/api/expiry/items/1/status", map[string]interface{}{
		"status": "invalid",
	})
	if badStatus.Code != http.StatusBadRequest && badStatus.Code != http.StatusNotFound {
		t.Fatalf("expected bad status 400/404, got %d", badStatus.Code)
	}

	badList := requestJSON(t, r, http.MethodGet, "/api/expiry/items?status=bad", nil)
	if badList.Code != http.StatusBadRequest {
		t.Fatalf("expected bad filter 400, got %d", badList.Code)
	}
}

func TestHandler_HelperWriters(t *testing.T) {
	w := httptest.NewRecorder()
	c, _ := gin.CreateTestContext(w)
	writeExpiryServerError(c)
	if w.Code != http.StatusInternalServerError {
		t.Fatalf("expected 500, got %d", w.Code)
	}

	w2 := httptest.NewRecorder()
	c2, _ := gin.CreateTestContext(w2)
	writeExpirySuccess(c2, "ok", gin.H{"x": 1})
	if w2.Code != http.StatusOK {
		t.Fatalf("expected 200, got %d", w2.Code)
	}
}