Dropzone.autoDiscover = false;

new Dropzone("#form-invia-candidatura-posizione-aperta", {
    url: "https://www.orangepix.it/assets/ajax/upload_allegati.php",
    acceptedFiles: ".pdf,.doc,.docx",
    maxFilesize: 10,
    addRemoveLinks: true,
    dictRemoveFile: "Rimuovi",

    init: function () {
        var dz = this;

        /* ── HELPER: aggiorna stato bottone ─────────────────────────── */
        function aggiornaBottone() {
            var saved = [];
            try { saved = JSON.parse(localStorage.getItem("dz_candidatura")) || []; } catch(e) {}

            var btn = document.getElementById("send");
            if (!btn) return;

            if (saved.length > 0) {
                btn.removeAttribute("disabled");
                btn.classList.add("opacity-1");
                btn.style.opacity = "1";
            } else {
                btn.setAttribute("disabled", "disabled");
                btn.classList.remove("opacity-1");
                btn.style.opacity = "0.2";
            }
        }

        /* ── 1. RICARICA I FILE AL REFRESH ─────────────────────────── */
        var saved = [];
        try {
            saved = JSON.parse(localStorage.getItem("dz_candidatura")) || [];
        } catch(e) {}

        saved.forEach(function (f) {
            var mock = { name: f.name, size: f.size, serverPath: f.serverPath };
            dz.emit("addedfile",  mock);
            dz.emit("complete",   mock);
            dz.files.push(mock);
        });

        // controlla subito al caricamento
        aggiornaBottone();

        /* ── 2. SALVA IN localStorage DOPO UPLOAD OK ───────────────── */
        dz.on("success", function (file, response) {
            var saved = [];
            try { saved = JSON.parse(localStorage.getItem("dz_candidatura")) || []; } catch(e) {}

            var serverPath = (response && response.path) ? response.path : null;

            var exists = saved.some(function(f) {
                return f.name === file.name && f.size === file.size;
            });

            if (!exists) {
                saved.push({ name: file.name, size: file.size, serverPath: serverPath });
                localStorage.setItem("dz_candidatura", JSON.stringify(saved));
            }

            aggiornaBottone();
        });

        /* ── 3. RIMUOVI FILE: localStorage + chiamata AJAX ─────────── */
        dz.on("removedfile", function (file) {

            var saved = [];
            try { saved = JSON.parse(localStorage.getItem("dz_candidatura")) || []; } catch(e) {}
            saved = saved.filter(function(f) {
                return !(f.name === file.name && f.size === file.size);
            });
            localStorage.setItem("dz_candidatura", JSON.stringify(saved));

            var fd = new FormData();
            fd.append("filename",  file.name);
            if (file.serverPath) {
                fd.append("filepath", file.serverPath);
            }

            var xhr = new XMLHttpRequest();
            xhr.open("POST", "https://www.orangepix.it/assets/ajax/delete_allegati.php", true);
            xhr.send(fd);

            aggiornaBottone();
        });
    }
});