using UnityEngine;
using UnityEngine.UI;
using System.Collections;
using System.Text;
using TMPro;

[RequireComponent(typeof(Button))]
public class Send : MonoBehaviour
{
    public Text yournote;   // ou TMP_Text si tu utilises TextMeshPro: public TMP_Text yournote;
    public Text designer;   // idem : public TMP_Text designer;

    public InputField ClientName;
    public InputField ClientAddress;
    public InputField ClientEmail;
    public InputField ClientPhone;
    public InputField ClientNote;
    public InputField SendEmail;

    public void SaveWEB()
    {
        // 1) Construire le XML (si tu en as besoin)
        _G.Form.Clear();
        _G.Form.Add(ClientName);
        _G.Form.Add(ClientAddress);
        _G.Form.Add(ClientEmail);
        _G.Form.Add(ClientPhone);
        _G.Form.Add(ClientNote);

        if (CheckAllInput())
        {       
            Measure.goTHANKS(_G.Form[0].text, _G.Form[2].text,SendEmail.text, "Email Send");
        }
        else
        {
            print("----------Not All Input Feild-------------------");
        }

        // --- (Optionnel) Envoi serveur en parallèle pour journaliser ---
        // StartCoroutine(SendTextToFile(xmls, this.name));
    }


    public void OpenEmailSender()
    {
        byte[] bytes = SaveXML.BuildXmlBytes();
        string xmls = Encoding.UTF8.GetString(bytes);

        _G.FileName = _G.Form != null && _G.Form.Count > 2 ? _G.Form[2].text : "client";

        // 2) Préparer message FR/EN
        string note = (_G.L == 1)
            ? "Hi, this is a client request from the measurement tool Ukitchenit?"
            : "Bonjour, voici une demande client provenant de l'outil de mesure Ukitchenit?";
        if (this.name == "software")
            {note = (_G.L == 1)
                ? "Hi, this is a client who opened a design?"
                : "Bonjour, voici un client qui a ouvert un design?";}
        if (yournote != null && !string.IsNullOrEmpty(yournote.text))
            {note = yournote.text; }// respecte ce que l’utilisateur a saisi

        // 3) Destinataire
        string to = (designer != null && !string.IsNullOrEmpty(designer.text))
            ? designer.text.Trim()
            : "hb@udesignit.ca";

        // 4) Sujet & corps
        string subject = (_G.L == 1) ? "Ukitchenit client request" : "Demande client Ukitchenit";
        string body = BuildEmailBody(note, xmls);

        Save_WEB.SaveWEB(_G.Form[2].text, xmls);
        OpenMailClient(to, subject, body);

    }







    private static string CleanInput(string s)
{
    if (s == null) return "";

    // Retire quelques “invisibles” courants + trim
    return s
        .Replace("\u200B", "") // zero-width space
        .Replace("\u00A0", " ") // no-break space -> espace normal
        .Trim();
}
    public bool CheckAllInput()
{
    bool hasRequiredField = false;

    foreach (var input in _G.Form)
    {
        Debug.Log($"{input.name} text=[{input.text}] len={input.text?.Length}");

        if (input == null) continue;

        // ✅ Exclure la note par référence (pas par nom)
        if (input == ClientNote) continue;

        hasRequiredField = true;

        Transform indicator = input.transform.Find("T_Indicator");

        string value = CleanInput(input.text);
        bool filled = value.Length > 0;

        if (indicator != null)
            indicator.gameObject.SetActive(!filled);

        if (!filled)
            return false;
    }

    return hasRequiredField;
}


    // Construit un corps lisible avec les infos disponibles
    private string BuildEmailBody(string note, string xml)
    {
        string CLIENT_INFO =ToUnicodeSansSerifBold(TRANS.This("T_Client Info").ToUpperInvariant());
        string PREFERENCES=ToUnicodeSansSerifBold(TRANS.This("T_Preferences").ToUpperInvariant());
        string NOTES=ToUnicodeSansSerifBold(TRANS.This("T_Note").ToUpperInvariant());
        string SOFTWARELINK=ToUnicodeSansSerifBold(TRANS.This("T_ClickLink").ToUpperInvariant());

        var sb = new StringBuilder();
        sb.AppendLine(note);
        sb.AppendLine();
        sb.AppendLine($"{CLIENT_INFO} ;");//Informations client
        sb.AppendLine("- "+TRANS.This("T_Name") +":"+ _G.Form[0].text);//Name
        sb.AppendLine("- "+TRANS.This("T_Address") +":"+ _G.Form[1].text);//Adress
        sb.AppendLine("- "+TRANS.This("T_Email") +":"+ _G.Form[2].text);//Adress
        sb.AppendLine("- "+TRANS.This("T_Phone") +":"+ _G.Form[3].text);//Phone
        sb.AppendLine();      
        //string STYLE="Country,Scandinave";
        string STYLE = string.Join(" / ", _G.Style);
        string DOORMODEL = string.Join(" / ", _G.DoorModel);
        string COUNTERTOP = string.Join(" / ", _G.CounterTop);
        string WALLCOLOR = string.Join(" / ", _G.RoomColor);
        string FLOOR = string.Join(" / ", _G.FloorStyle);
        string ISLAND = string.Join(" / ", _G.Island);

        sb.AppendLine($"{PREFERENCES} ;");//Preferences
        sb.AppendLine( "- "+TRANS.This("T_Style")+ " : " + STYLE);//Kitchen style
        sb.AppendLine( "- "+TRANS.This("T_DoorModel")+ " : " + DOORMODEL);
        sb.AppendLine( "- "+TRANS.This("T_CounterTop")+ " : " + COUNTERTOP);
        sb.AppendLine( "- "+TRANS.This("T_WallColor")+ " : " + WALLCOLOR);
        sb.AppendLine( "- "+TRANS.This("T_Floor")+ " : " + FLOOR );
        sb.AppendLine( "- "+TRANS.This("T_Island")+ " : " + ISLAND);
        sb.AppendLine();

        sb.AppendLine($"{NOTES} ;");
        sb.AppendLine(_G.Form[4].text);
        sb.AppendLine();

        sb.AppendLine($"{SOFTWARELINK} ; ");
        sb.AppendLine($"https://ukitchenit.com/free/?mt_{_G.Form[2].text}");
        

        return sb.ToString();
    }

    // Ouvre le mailto avec encodage sûr
    private void OpenMailClient(string to, string subject, string body)
    {
        string enc(string s) => System.Uri.EscapeDataString(s ?? string.Empty);

        // Normaliser les retours à la ligne
        subject = subject?.Replace("\r\n", "\n").Replace("\r", "\n");
        body    = body?.Replace("\r\n", "\n").Replace("\r", "\n");
        body = body?.Replace("\n", "\r\n");

        string url = $"mailto:{to}?subject={enc(subject)}&body={enc(body)}";
        Application.OpenURL(url);
    }


    public static string ToUnicodeSansSerifBold(string input)
    {
        if (string.IsNullOrEmpty(input)) return input;

        var sb = new StringBuilder(input.Length * 2);

        foreach (char c in input)
        {
            if (c >= 'A' && c <= 'Z')
            {
                // Mathematical Sans-Serif Bold Capital Letters
                int codePoint = 0x1D5D4 + (c - 'A'); // 𝗔..𝗭
                sb.Append(char.ConvertFromUtf32(codePoint));
            }
            else if (c >= 'a' && c <= 'z')
            {
                int codePoint = 0x1D5EE + (c - 'a'); // 𝗮..𝗹
                sb.Append(char.ConvertFromUtf32(codePoint));
            }
            else if (c >= '0' && c <= '9')
            {
                int codePoint = 0x1D7EC + (c - '0'); // 𝟬..𝟵
                sb.Append(char.ConvertFromUtf32(codePoint));
            }
            else
            {
                sb.Append(c);
            }
        }

        return sb.ToString();
    }

}