package main

import (
	"log"
	"net/http"

	"github.com/gin-contrib/cors"
	"github.com/gin-gonic/gin"

	"github.com/joho/godotenv"

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

func main() {
	// Load environment variables
	err := godotenv.Load()
	if err != nil {
		log.Println("Error loading .env file")
	}

	// initialize db
	DB.InitDB()

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

	// CORS configuration
	corsConfig := cors.DefaultConfig()
	corsConfig.AllowOrigins = []string{"https://log101.dev", "http://blog.log101.local", "https://blog.log101.dev"}

	ginMode := gin.Mode()
	if ginMode == gin.DebugMode {
		corsConfig.AllowOrigins = append(corsConfig.AllowOrigins, "http://localhost:4321")
	}

	// these are required for htmx to work
	corsConfig.AllowHeaders = []string{"hx-current-url", "hx-request", "hx-target", "hx-trigger"}

	// Middlewares
	r.Use(cors.New(corsConfig))
	r.Use(middleware.AnonymizeIPMiddleware())

	blog := r.Group("/api/blog/")
	{
		// Get the emoji form, you must provide postId query parameter
		blog.GET("/forms/emoji", handlers.GetEmojiForm)

		// Update the user's reaction to post, this handler will
		// add a new entry to the database with anonymized ip
		// updates if user reacted before
		blog.POST("/forms/emoji", handlers.PostEmojiForm)

		blog.GET("/comments", func(c *gin.Context) {
			db := DB.GetDB()
			postId := c.Query("postId")
			comments := []models.Comment{}

			rows := db.Where("post_id = ?", postId).Find(&comments)

			if rows.Error != nil {
				c.HTML(http.StatusInternalServerError, "comment_form.tmpl", gin.H{"errorMessage": "error getting comments", "comments": comments})
			}

			c.HTML(http.StatusOK, "comment_form.tmpl", gin.H{"errorMessage": "error getting comments", "comments": comments})
		})

		blog.POST("/comments", func(c *gin.Context) {
			db := DB.GetDB()
			postId := c.PostForm("postId")
			commentBody := c.PostForm("commentBody")
			username := c.PostForm("username")

			if postId == "" || commentBody == "" {
				c.HTML(http.StatusBadRequest, "comment_form.tmpl", gin.H{})
			}

			result := db.Create(&models.Comment{Body: commentBody, PostId: postId, Username: username})
			if result.Error != nil {
				c.HTML(http.StatusInternalServerError, "comment_form.tmpl", gin.H{})
			}

			c.HTML(http.StatusOK, "comment_form.tmpl", gin.H{})
		})

	}

	r.Run(":8000")
}