{{ define "edit_clan" }}

<div class="modal fade" data-bs-backdrop="static" data-bs-keyboard="false" id="editClanModal" tabindex="-1">
    <div class="modal-dialog modal-dialog-centered">
        <div class="modal-content">
            <div class="modal-header">
                <h1 class="modal-title fs-3 text-primary fw-bold" id="editClanModalLabel">Clan bearbeiten</h1>
                <button type="button" class="btn-close" data-bs-dismiss="modal"></button>
            </div>
            <div class="modal-body">
                <div class="form-floating mb-3">
                    <input type="text" class="form-control form-control-lg" id="editClanName" placeholder="Clan-Name" minlength="2" maxlength="30" required>
                    <label for="editClanName">Clan-Name</label>
                </div>
                <div class="form-floating">
                    <input type="text" class="form-control form-control-lg" id="editClanTag" placeholder="Clan-Tag" minlength="2" maxlength="30" required>
                    <label for="editClanTag">Clan-Tag</label>
                </div>
                <div class="form-check form-check-inline mt-3 fs-5">
                    <input class="form-check-input" type="checkbox" id="editKeepUpdated" value="keepUpdated">
                    <label class="form-check-label" for="editKeepUpdated">Immer aktuell halten</label>
                </div>
                <div class="error-message text-danger fs-5 badge" style="display: none;"></div>
            </div>
            <div class="modal-footer">
                <button type="submit" name="submit" class="btn btn-lg btn-primary">Speichern</button>
                <button type="button" class="btn btn-lg btn-secondary" data-bs-dismiss="modal">Abbrechen</button>
            </div>
        </div>
    </div>
</div>

<script lang="javascript">
    document.addEventListener('DOMContentLoaded', function() {
        const editClanModal = document.getElementById('editClanModal');
        const editClanModalBS = new bootstrap.Modal('#editClanModal');
        const submitButton = editClanModal.querySelector('button[name="submit"]');
        let submitClanHandler = null;
        let clanList = null;
        let otherClanList = null;
        let clanId = null;

        const clanName = editClanModal.querySelector('#editClanName');
        const clanTag = editClanModal.querySelector('#editClanTag');
        const keepUpdated = editClanModal.querySelector('#editKeepUpdated');
        const errorDiv = editClanModal.querySelector('.error-message');

        function validateInputs() {
            if (clanName.value.length < 2 || clanName.value.length > 30) {
                clanName.classList.add('is-invalid');
                return false;
            } else {
                clanName.classList.remove('is-invalid');
            }

            if (clanTag.value.length < 2 || clanTag.value.length > 30) {
                clanTag.classList.add('is-invalid');
                return false;
            } else {
                clanTag.classList.remove('is-invalid');
            }

            return true;
        }

        function updateClanLists(clanList, otherClanList) {
            fetch('/clans_html')
                .then(response => {
                    if (!response.ok) {
                        throw new Error('Network response was not ok');
                    }
                    return response.text();
                })
                .then(data => {
                    const lastIndex = clanList.selectedIndex;
                    const otherLastIndex = otherClanList.selectedIndex;

                    clanList.innerHTML = data;
                    otherClanList.innerHTML = data;

                    clanList.selectedIndex = lastIndex;
                    otherClanList.selectedIndex = otherLastIndex;
                })
                .catch(error => {
                    alert('Fehler beim Aktualisieren der Clan-Liste: ' + error.message);
                });
        }

        function createSubmitClanHandler() {
            return function submitClanHandler(_) {
                if (!validateInputs())
                    return;

                fetch("/clan/" + clanId, {
                    method: "PATCH",
                    body: JSON.stringify({
                        name: clanName.value,
                        tag: clanTag.value,
                        keep_updated: keepUpdated.checked
                    }),
                    headers: {
                        "Content-type": "application/json; charset=UTF-8"
                    }
                })
                    .then(response => {
                        if (!response.ok) {
                            if (response.status === 400) {
                                throw new Error('Clan oder Tag existiert bereits!');
                            }
                            throw new Error('Server error');
                        }
                    })
                    .then(() => {
                        updateClanLists(clanList, otherClanList);

                        editClanModalBS.hide();
                    })
                    .catch((error) => {
                        errorDiv.innerText = error.message;
                        errorDiv.style.display = 'block';
                    });
            }
        }

        if (editClanModal) {
            editClanModal.addEventListener('show.bs.modal', event => {
                submitClanHandler = createSubmitClanHandler();
                submitButton.addEventListener('click', submitClanHandler);

                [clanList, otherClanList] = getClanLists(event);
                clanId = parseInt(clanList.value);

                fetch("/clan/" + clanId, {
                    method: "GET",
                    headers: {
                        "Content-type": "application/json; charset=UTF-8"
                    }
                })
                    .then((response) => {
                        return response.json();
                    })
                    .then((result) => {
                        keepUpdated.checked = result['keep_updated'];
                        clanName.value = result['name'];
                        clanTag.value = result['tag'];
                    })
                    .catch((error) => {
                        alert('Fehler beim Laden des Clans: ' + error.message);
                    });
            });

            editClanModal.addEventListener('hidden.bs.modal', _ => {
                submitButton.removeEventListener('click', submitClanHandler);

                clanName.value = "";
                clanTag.value = "";
                errorDiv.innerText = "";
                errorDiv.style.display = 'none';
                keepUpdated.checked = false;
                clanName.classList.remove('is-invalid');
                clanTag.classList.remove('is-invalid');
            });
        }
    });
</script>

{{ end }}