package handlers

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

	"github.com/gin-gonic/gin"
	"github.com/glebarez/sqlite"
	"github.com/stretchr/testify/assert"
	"gorm.io/gorm"

	DB "log101-blog-services/db"
	"log101-blog-services/models"
)

func SetupTestDB() *gorm.DB {
	db, err := gorm.Open(sqlite.Open(":memory:"), &gorm.Config{})
	if err != nil {
		panic("failed to connect to in-memory database")
	}

	db.AutoMigrate(&models.EmojiReaction{})
	return db
}

func TestGetEmojiForm(t *testing.T) {
	db := SetupTestDB()
	DB.SetDB(db)

	router := gin.Default()
	router.LoadHTMLGlob("../templates/*") // Ensure you have your templates in the right path

	router.GET("/emoji_form", GetEmojiForm)

	req, _ := http.NewRequest("GET", "/emoji_form?postId=1", nil)
	w := httptest.NewRecorder()
	router.ServeHTTP(w, req)

	assert.Equal(t, http.StatusOK, w.Code)
	assert.Contains(t, w.Body.String(), "👍")
	assert.Contains(t, w.Body.String(), "😑")
}

func TestPostEmojiForm(t *testing.T) {
	db := SetupTestDB()
	DB.SetDB(db) // Set the mock DB

	router := gin.Default()
	router.LoadHTMLGlob("../templates/*")

	router.POST("/emoji_form", PostEmojiForm)

	form := url.Values{}
	form.Add("postId", "1")
	form.Add("emojiInput", "👍")

	req, _ := http.NewRequest("POST", "/emoji_form", strings.NewReader(form.Encode()))
	req.Header.Add("Content-Type", "application/x-www-form-urlencoded")
	w := httptest.NewRecorder()
	router.ServeHTTP(w, req)

	assert.Equal(t, http.StatusOK, w.Code)
	assert.Contains(t, w.Body.String(), "👍   1")
}

func TestPostEmojiFormMissingParams(t *testing.T) {
	db := SetupTestDB()
	DB.SetDB(db) // Set the mock DB

	router := gin.Default()
	router.LoadHTMLGlob("../templates/*") // Ensure you have your templates in the right path

	router.POST("/emoji_form", PostEmojiForm)

	form := url.Values{}
	form.Add("postId", "1")

	req, _ := http.NewRequest("POST", "/emoji_form", strings.NewReader(form.Encode()))
	req.Header.Add("Content-Type", "application/x-www-form-urlencoded")
	w := httptest.NewRecorder()
	router.ServeHTTP(w, req)

	assert.Equal(t, http.StatusBadRequest, w.Code)
	assert.Contains(t, w.Body.String(), "missing parameters")
}

func TestGetEmojis(t *testing.T) {
	db := SetupTestDB()
	DB.SetDB(db) // Set the mock DB

	// Populate the test database with data
	db.Create(&models.EmojiReaction{UserAnonIp: "127.0.0.2", Emoji: "😊", PostId: "1"})
	db.Create(&models.EmojiReaction{UserAnonIp: "127.0.0.1", Emoji: "😂", PostId: "1"})

	counts, err := GetEmojis("1")
	assert.NoError(t, err)
	assert.Equal(t, 1, counts["😊"])
	assert.Equal(t, 1, counts["😂"])
}