package vistas

import (
	"bytes"
	"fmt"
	"net/http"
	"os/exec"
	"regexp"
	"strings"

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

func Buscador(c *gin.Context) {
    busqueda := c.PostForm("busqueda")
    //Sanitize "busqueda"
    busqueda = regexp.MustCompile(`[^a-zA-Z0-9ñÑáéíóú\- ]+`).ReplaceAllString(busqueda, "")

    cmd := exec.Command("rg", "-l", busqueda, "./letras")
    var out bytes.Buffer
    cmd.Stdout = &out

    err := cmd.Run()
    if err != nil {
        resultado := "Error buscando :("
        fmt.Println(resultado)
    }

    res := ""
    atopadas := strings.Split(out.String(), "\n")
    if len(atopadas) > 0 {
        res = res + "<ul>"
        for _, linea := range atopadas {
            // fmt.Println(linea)
            //coller slug
            nome := strings.Replace(linea, "./letras/", "", -1) //quita path
            slug := strings.Replace(nome, ".md", "", -1)        //quita exten

            //coller titulo
            grep := exec.Command("grep", "title", linea)
            var salida bytes.Buffer
            grep. Stdout = &salida
            err := grep.Run()
            if err != nil {
                resultado := "Error buscando :("
                fmt.Println(resultado)
            }
            partes := strings.Split(salida.String(), "\"")
            titulo := ""
            if len(partes) > 1 {
                titulo = partes[1]
            }

            // montar salida
            if titulo != "" && slug != "" {
                res = res + "<li><a href=# hx-post='/letra' hx-vals='{\"slug\": \""+slug+"\"}' hx-trigger='click' hx-target='#search-results'>"+titulo+"</a></li>"
            }
        }
        res = res + "</ul>"
    }

    // fmt.Println(res)
    c.Data(http.StatusOK, "text/html; charset=utf-8", []byte(res))
}