const csrfToken = document.querySelector('input[name="_token"]')?.value ?? '';
const defaultSuccessMessage = 'Berhasil melakukan aksi!';

let isCreating = false;
let isEditing = false;
const deletingIds = new Set();

function showError(message) {
    if (!message) return;
    Swal.fire({
        icon: 'error',
        title: 'Gagal',
        text: message,
    });
}

function handleModalSuccess(modalElement, message, afterAlert = () => {}) {
    const handler = function () {
        Swal.fire({
            icon: 'success',
            title: 'Berhasil',
            text: message || defaultSuccessMessage,
            timer: 2000,
            showConfirmButton: false,
            backdrop: true,
        });
        afterAlert();
        modalElement.removeEventListener('hidden.bs.modal', handler);
    };

    modalElement.addEventListener('hidden.bs.modal', handler);
    bootstrap.Modal.getInstance(modalElement)?.hide();
}

formCreateMasterPersetujuan.on('submit', async function (e) {
    e.preventDefault();

    if (isCreating) return; // cegah submit berulang
    isCreating = true;

    try {
        const res = await fetch('/master-persetujuan', {
            method: 'POST',
            headers: {
                'X-CSRF-TOKEN': csrfToken,
            },
            body: new FormData(this),
        });

        const responseData = await res.json();
        if (!responseData.status) {
            throw new Error(responseData.message || 'Terjadi kesalahan saat menyimpan data.');
        }

        handleModalSuccess(modalCreate, responseData.message, () => {
            $('#col_add_master_persetujuan').html('');
            colCount = 1;
            formCreateMasterPersetujuan.find('select').val(null).trigger('change');
            datatableMasterPersetujuan.bootstrapTable('refresh');
        });
    } catch (err) {
        showError(err.message);
    } finally {
        isCreating = false;
    }
});

async function deleteMasterPersetujuan(button) {
    const { id, name } = $(button).data();

    if (deletingIds.has(id)) return; // cegah klik berulang id sama

    const result = await Swal.fire({
        title: 'Apakah kamu yakin ingin menghapus data master persetujuan?',
        text: name,
        icon: 'warning',
        showCancelButton: true,
        backdrop: true,
    });

    if (!result.isConfirmed) return;

    try {
        deletingIds.add(id);

        const response = await fetch(`/master-persetujuan/${id}`, {
            method: 'DELETE',
            headers: {
                'X-CSRF-TOKEN': csrfToken,
                'Content-Type': 'application/json',
            },
        });

        const data = await response.json();
        if (!data.status) {
            throw new Error(data.message || 'Failed to delete Item.');
        }

        Swal.fire({
            title: 'Success',
            text: 'Data berhasil dihapus',
            icon: 'success',
            showConfirmButton: false,
            timer: 1000,
        }).then(() => datatableMasterPersetujuan.bootstrapTable('refresh'));
    } catch (error) {
        showError(error.message || 'Something went wrong. Please try again later.');
    } finally {
        deletingIds.delete(id);
    }
}

async function editMasterPersetujuan(button) {
    const data = $(button).data();
    new bootstrap.Modal(modalEdit).show();
    formEditMasterPersetujuan.attr('action', `/master-persetujuan/${data.id}`);

    selectOptionPegawaiEdit();
    selectOptionUnitKerjaEdit();

    resetEditSelections();

    if (data.pegawai_id) {
        setOldSelect2Value('#pegawai_id_edit', data.pegawai_id, data.pegawai_nama);
    }

    try {
        const res = await fetch(`/master-persetujuan/${data.id}`);
        const responseData = await res.json();

        if (!responseData.status) {
            throw new Error(responseData.message || 'Gagal memuat data akses.');
        }

        const detailUnits = responseData.data?.detail_units;
        if (Array.isArray(detailUnits)) {
            setOldSelect2Values('#unit_akses_edit', detailUnits);
        }
    } catch (err) {
        console.error(err);
        showError(err.message);
    }
}

function resetEditSelections() {
    formEditMasterPersetujuan[0]?.reset();
    $('#pegawai_id_edit').val(null).trigger('change');
    $('#unit_akses_edit').empty().trigger('change');
}

function selectOptionPegawaiEdit() {
    const selectPegawai = $('#pegawai_id_edit');
    if (selectPegawai.data('select2')) return;

    selectPegawai.select2({
        placeholder: '-- Pilih Pegawai --',
        allowClear: true,
        width: '100%',
        dropdownParent: selectPegawai.parent(),
        ajax: {
            url: '/select-pegawai',
            dataType: 'json',
            delay: 250,
            data: function (params) {
                return { q: params.term };
            },
            processResults: function (data) {
                return {
                    results: data?.data.map((item) => ({
                        id: item.id,
                        text: item.nama,
                    })),
                };
            },
            cache: true,
        },
        minimumInputLength: 1,
    });
}

function selectOptionUnitKerjaEdit() {
    const selectUnit = $('#unit_akses_edit');
    if (selectUnit.data('select2')) return;

    selectUnit.select2({
        placeholder: '-- Pilih Unit Kerja --',
        allowClear: true,
        width: '100%',
        dropdownParent: selectUnit.parent(),
        ajax: {
            url: '/select-unit-kerja',
            dataType: 'json',
            delay: 250,
            data: function (params) {
                return { q: params.term };
            },
            processResults: function (data) {
                return {
                    results: data?.data.map((item) => ({
                        id: item.id,
                        text: item.name,
                    })),
                };
            },
            cache: true,
        },
        minimumInputLength: 1,
    });
}

function setOldSelect2Value(selector, id, text) {
    if (!id || !text) return;
    const option = new Option(text, id, true, true);
    $(selector).append(option).trigger('change');
}

function setOldSelect2Values(selector, items) {
    if (!Array.isArray(items) || items.length === 0) return;

    items.forEach((item) => {
        if (!item?.id || !item?.text) return;
        const option = new Option(item.text, item.id, true, true);
        $(selector).append(option);
    });

    $(selector).trigger('change');
}

formEditMasterPersetujuan.on('submit', async function (e) {
    e.preventDefault();

    if (isEditing) return; // cegah submit ganda
    isEditing = true;

    try {
        const actionUrl = formEditMasterPersetujuan.attr('action');
        const formData = new FormData(this);
        formData.append('_method', 'PUT');

        const res = await fetch(actionUrl, {
            method: 'POST',
            headers: {
                'X-CSRF-TOKEN': csrfToken,
            },
            body: formData,
        });

        const responseData = await res.json();
        if (!responseData.status) {
            throw new Error(responseData.message || 'Terjadi kesalahan saat menyimpan data.');
        }

        handleModalSuccess(modalEdit, responseData.message, () => {
            formCreateMasterPersetujuan.find('select').val(null).trigger('change');
            datatableMasterPersetujuan.bootstrapTable('refresh');
        });
    } catch (err) {
        showError(err.message);
    } finally {
        isEditing = false;
    }
});