const API_URL = window.location.origin;

const nameInput = document.querySelector("#input-name");
const phoneInput = document.querySelector("#input-phone");
const addSessionForm = document.querySelector("#add-session-form");

const openFileButton = document.querySelector("#open-file-btn");

const secretCodeModal = new bootstrap.Modal('#secretCodeModal');
const secretCodeForm = document.querySelector("#secret-code-form");
const secretCodeInput = document.querySelector("#input-secret-code");

const passwordModal = new bootstrap.Modal('#passwordModal');
const passwordForm = document.querySelector("#password-form");
const passwordInput = document.querySelector("#input-password");

let phoneHash = "";

const handleCreation = async (e) => {
    e.preventDefault();

    if (phoneInput.value == "" || nameInput.value == "") {
        alert("Пожалуйста, заполните все поля.");
        return;
    }

    const data = getAuthData();
    
    res = await fetch(`${API_URL}/api/sessions/`, {
        method: "POST",
        body: JSON.stringify(data),
        headers: {
            "Content-Type": "application/json",
        }
    });

    result = await res.json();

    switch(result.status) {
        case "ok":
            window.location = "/";
            break;
        
        case "error":
            handleError(result);
            break;
        
        case "exception":
            alert(`Ошибка: ${result.message}.`);
            break;

        default:
            alert(`Неизвестная ошибка. Проверьте логи`);
    }
}

const getAuthData = () => {
    const inputFields = [passwordInput, secretCodeInput, nameInput, phoneInput]
    data = {}
    inputFields.forEach((el) => {
        if (el.value !== "") {
            data[el.attributes.name.value] = el.value.replace(/ /g, '');
        }
    })

    if (phoneHash !== "")
        data["phone_hash"] = phoneHash;

    return data;
}

const handleRequest = async (fn) => {
}

const handleError = (result) => {
    switch(result.action) {
        case "code":
            phoneHash = result.phone_hash;
            secretCodeModal.show();
            break;
        case "password":
            passwordModal.show();
            break;
    }
} 

addSessionForm.addEventListener("submit", handleCreation);
secretCodeForm.addEventListener("submit", handleCreation);
passwordForm.addEventListener("submit", handleCreation);


// openFileButton.addEventListener("click", handleOpening);

function handleOpening() {
    let input = document.createElement('input');
    input.type = 'file';
    input.accept = ".zip";
    input.onchange = async () => {
        // you can use this method to get file and perform respective operations
        let archive = Array.from(input.files)[0];
        let formData = new FormData();

        formData.append("archive", archive);
        response = await fetch(`${API_URL}/api/save_session_file.php`, { method: "POST", body: formData });

        if (response.status == "201") {
            window.location = "/"
        } else {
            const error_text = await response.text();
            const error_status = await response.status;
            alert(`${error_status}: ${error_text}`);
        }
    };
    input.click();
}