package handlers

import (
	"fmt"
	"net/http"
	"strings"

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

const TAG_HTML = `
	<li 
		hx-post="/v1/web/state/tags/delete"
		hx-trigger="click"
		hx-target="#tag-list"
		hx-swap="innerHTML"
		hx-include="#tag-list"
		hx-vals='{"target": "%s"}'
		class="flex text-xs items-center bg-blue-100 w-fit px-2 py-1 rounded-full gap-x-1 select-none cursor-pointer hover:bg-blue-200 duration-300">
		&times; %s
	</li>
`

const TAG_LIST_HTML = `
	<input 
		hx-swap-oob="outerHTML"
		type="hidden" 
		name="tags" 
		id="tags"
		value="%s"
	/>
`

func NewTag(ctx *gin.Context) {
	tag := strings.ToLower(ctx.PostForm("tag"))
	tags := strings.Split(ctx.PostForm("tags"), ",")

	tags = append([]string{tag}, tags...)

	var html string
	var cleaned_tags []string
	for _, tag := range tags {
		if tag != "" {
			html += fmt.Sprintf(TAG_HTML, tag, tag)

			// Ensure that the list provided does not contain blank spaces.
			// This is another measure to ensure this state is bulletproof.
			cleaned_tags = append(cleaned_tags, tag)
		}
	}

	// Execute OOB swap for the tags
	html += fmt.Sprintf(TAG_LIST_HTML, strings.Join(cleaned_tags, ","))

	ctx.String(http.StatusOK, html)
}

func DeleteTag(ctx *gin.Context) {
	tags := strings.Split(ctx.PostForm("tags"), ",")
	target := ctx.PostForm("target")

	var html string
	var new_tags []string
	for _, tag := range tags {
		if tag != target && tag != "" {
			html += fmt.Sprintf(TAG_HTML, tag, tag)
			new_tags = append(new_tags, tag)
		}
	}

	// Execute OOB swap for the tags
	html += fmt.Sprintf(TAG_LIST_HTML, strings.Join(new_tags, ","))

	ctx.String(http.StatusOK, html)
}