@using Microsoft.AspNetCore.Html
@using Microsoft.AspNetCore.Mvc.Localization
@using Berufsschule_HAM.Models
@model LocationsIndexViewModel
@inject IViewLocalizer T
@{
    ViewData["Title"] = T["Locations"];
}


<div class="container py-4">
    <h2 class="mb-3">@T["Locations"]</h2>

    
    <div class="mb-4 d-flex flex-wrap gap-2">
        <button class="btn btn-primary" data-bs-toggle="modal" data-bs-target="#createModal">@T["Create location"]</button>
    </div>

    
    <div class="table-responsive">
        <table class="table table-striped align-middle">
            <thead>
                <tr>
                    <th>@T["Location ID"]</th>
                    <th>@T["Location Name"]</th>
                    <th>@T["Room Number"]</th>
                    <th>@T["Seat"]</th>
                    <th>@T["Action"]</th>
                </tr>
                <tr>
                    <th><input type="text" class="form-control form-control-sm column-filter" placeholder="@T["Location ID"]" data-column="0" /></th>
                    <th><input type="text" class="form-control form-control-sm column-filter" placeholder="@T["Location Name"]" data-column="1" /></th>
                    <th><input type="text" class="form-control form-control-sm column-filter" placeholder="@T["Room Number"]" data-column="2" /></th>
                    <th><input type="text" class="form-control form-control-sm column-filter" placeholder="@T["Seat"]" data-column="3" /></th>
                    <th class="text-center">-</th>
                </tr>
            </thead>
            <tbody>
            @{
                foreach (LocationTableViewModel locationTableViewModel in Model.LocationTableViewModels)
                {
                <tr>
                    <td>@locationTableViewModel.LocationID</td>
                    <td>@locationTableViewModel.LocationName</td>
                    <td>@locationTableViewModel.RoomNumber</td>
                    <td>@locationTableViewModel.Seat</td>
                    <td>
                        <div class="d-flex gap-2">
                            <button class="btn btn-sm btn-warning btn-edit" 
                                data-location-id="@locationTableViewModel.LocationID"
                                data-location-name="@locationTableViewModel.LocationName"
                                data-room-number="@locationTableViewModel.RoomNumber"
                                data-seat="@locationTableViewModel.Seat"
                                data-bs-toggle="modal"
                                data-bs-target="#editModal">
                                @T["Edit"]
                            </button>
                            <button class="btn btn-sm btn-danger btn-delete" 
                                data-location-id="@locationTableViewModel.LocationID"
                                data-bs-toggle="modal"
                                data-bs-target="#deleteModal">
                                @T["Delete"]
                            </button>
                        </div>
                    </td>
                </tr>
                }
            }
            </tbody>
        </table>
    </div>
</div>

<!-- Location Delete Confirmation Modal -->
<div class="modal fade" id="deleteModal" tabindex="-1" aria-labelledby="deleteModalLabel" aria-hidden="true">
    <div class="modal-dialog modal-dialog-centered">
        <div class="modal-content">
            <div class="modal-header bg-danger text-white">
                <h3 class="modal-title" id="deleteModalLabel">@T["Confirm Delete"]</h3>
                <button type="button" class="btn-close btn-close-white" data-bs-dismiss="modal" aria-label="Close"></button>
            </div>
            <div class="modal-body">
                <p>
                    @T["DeleteLocationConfirmation", new HtmlString("<strong id=\"locationId\"></strong>")]
                </p>
            </div>
            <div class="modal-footer">
                <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">@T["Cancel"]</button>
                <form id="deleteForm" method="post" action="">
                    <button type="submit" class="btn btn-danger">@T["Yes, Delete"]</button>
                </form>
            </div>
        </div>
    </div>
</div>

<script>
    document.addEventListener('DOMContentLoaded', () => {
        const deleteModal = document.getElementById('deleteModal');
        let currentButton = null; // The delete button that opened the modal

        deleteModal.addEventListener('show.bs.modal', event => {
            currentButton = event.relatedTarget; // Button that triggered the modal
            const locationId = currentButton.getAttribute('data-location-id');
            const locationName = currentButton.getAttribute('data-location-name');

            deleteModal.querySelector('#locationId').textContent = locationId;

            // Store the delete URL for later use
            deleteModal.querySelector('#deleteForm').dataset.url = `/Locations/Delete?cn=${locationId}`;
        });

        // Handle submit of deleteForm via fetch()
        const deleteForm = document.getElementById('deleteForm');
        deleteForm.addEventListener('submit', async e => {
            e.preventDefault();

            const url = deleteForm.dataset.url;
            const locationId = deleteModal.querySelector('#locationId').textContent;

            try {
                const response = await fetch(url, {
                    method: 'DELETE',
                    headers: {
                        'Content-Type': 'application/json',
                        'Accept': 'application/json'
                    }//,
                    //body: JSON.stringify({ id: locationId }) // Use this for Post requests with [FromBody] parameters like in /Groups/Update
                });

                const result = await response.json();

                if (result.success) {
                    // Close the modal
                    const modal = bootstrap.Modal.getInstance(deleteModal);
                    modal.hide();

                    // Remove the row from the table
                    const row = currentButton.closest('tr');
                    row.classList.add('table-danger');
                    setTimeout(() => row.remove(), 300);

                    showToast('@T["Location deleted successfully"]', 'success');
                } else {
                    showToast(`${result.reason}: ${result.exception || '@T["Unknown error"]'}`, 'danger');
                }
            } catch (error) {
                console.error(error);
                showToast('@T["Error contacting server"]', 'danger');
            }
        });
    });
</script>

<!-- Location Edit Modal -->
<div class="modal fade" id="editModal" tabindex="-1" aria-labelledby="editModalLabel" aria-hidden="true">
    <div class="modal-dialog modal-dialog-centered">
        <div class="modal-content">
            <div class="modal-header bg-warning text-dark">
                <h3 class="modal-title" id="editModalLabel">@T["Edit Location"]</h3>
                <button type="button" class="btn-close btn-close-white" style="filter: invert(0);" data-bs-dismiss="modal" aria-label="Close"></button>
            </div>
            <form id="editForm">
                <div class="modal-body">
                    <input type="hidden" id="editLocationId" name="LocationID">

                    <div class="mb-3">
                        <label for="editLocationName" class="form-label">@T["Location Name"] <span class="text-danger" aria-hidden="true">*</span></label>
                        <input type="text" class="form-control" id="editLocationName" name="LocationName" aria-required="true" required>
                    </div>

                    <div class="mb-3">
                        <label for="editRoomNumber" class="form-label">@T["Room Number"]</label>
                        <input type="text" class="form-control" id="editRoomNumber" name="RoomNumber">
                    </div>

                    <div class="mb-3">
                        <label for="editSeat" class="form-label">@T["Seat"]</label>
                        <input type="text" class="form-control" id="editSeat" name="Seat">
                    </div>
                </div>
                <div class="modal-footer">
                    <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">@T["Cancel"]</button>
                    <button type="submit" class="btn btn-warning">@T["Save changes"]</button>
                </div>
            </form>
        </div>
    </div>
</div>

<script>
    document.addEventListener('DOMContentLoaded', () => {
        // --- EDIT MODAL ---
        const editModal = document.getElementById('editModal');
        const editForm = document.getElementById('editForm');

        editModal.addEventListener('show.bs.modal', event => {
            const button = event.relatedTarget;
            const id = button.getAttribute('data-location-id');
            const name = button.getAttribute('data-location-name');
            const room = button.getAttribute('data-room-number');
            const seat = button.getAttribute('data-seat');

            // Set values in the modal form
            editForm.querySelector('#editLocationId').value = id;
            editForm.querySelector('#editLocationName').value = name;
            editForm.querySelector('#editRoomNumber').value = room;
            editForm.querySelector('#editSeat').value = seat;
        });

        editForm.addEventListener('submit', async e => {
            e.preventDefault();

            const data = {
                Location: editForm.editLocationId.value,
                Description:
                {
                    Location: editLocationName.value,
                    RoomNumber: editForm.editRoomNumber.value,
                    Seat: editForm.editSeat.value
                }
            };

            try {
                const response = await fetch('/Locations/Update', {
                    method: 'POST',
                    headers: {
                        'Content-Type': 'application/json',
                        'Accept': 'application/json'
                    },
                    body: JSON.stringify(data)
                });

                const result = await response.json();
                if (result) {
                    const btn = document.querySelector(`button[data-location-id="${data.Location}"]`);
                    const btn_del = document.querySelector(`button.btn-danger[data-location-id="${data.Location}"]`);
                    const row = btn.closest('tr');
                    let slugifiedLocationID = `${data.Description.Location}-${data.Description.RoomNumber}-${data.Description.Seat}`
                        .toLowerCase()
                        .replace(/[^a-z0-9-]/g, '-')
                        .replace(/-+/g, '-')
                        .replace(/^-|-$/g, '');
                    btn.setAttribute("data-location-id", slugifiedLocationID);
                    btn.setAttribute("data-location-name", data.Description.Location);
                    btn.setAttribute("data-room-number", data.Description.RoomNumber);
                    btn.setAttribute("data-seat", data.Description.Seat);
                    btn_del.setAttribute("data-location-id", slugifiedLocationID);
                    btn_del.setAttribute("data-location-name", data.Description.Location);
                    btn_del.setAttribute("data-room-number", data.Description.RoomNumber);
                    btn_del.setAttribute("data-seat", data.Description.Seat);
                    row.children[0].textContent = slugifiedLocationID;
                    row.children[1].textContent = data.Description.Location;
                    row.children[2].textContent = data.Description.RoomNumber;
                    row.children[3].textContent = data.Description.Seat;

                    // Close modal
                    bootstrap.Modal.getInstance(editModal).hide();

                    showToast('@T["Location updated successfully"]', 'success');
                } else {
                    showToast(`${result.reason || '@T["Location update failed"]'}`, 'danger');
                }
            } catch (error) {
                console.error(error);
                showToast('@T["Error contacting server"]', 'danger');
            }
        });
    });
</script>

<!-- Location Create Modal -->
<div class="modal fade" id="createModal" tabindex="-1" aria-labelledby="createModalLabel" aria-hidden="true">
    <div class="modal-dialog modal-dialog-centered">
        <div class="modal-content">
            <div class="modal-header bg-primary text-white">
                <h3 class="modal-title" id="createModalLabel">@T["Create location"]</h3>
                <button type="button" class="btn-close btn-close-white" data-bs-dismiss="modal" aria-label="Close"></button>
            </div>
            <form id="createForm">
                <div class="modal-body">

                    <div class="mb-3">
                        <label for="createLocationName" class="form-label">@T["Location Name"] <span class="text-danger" aria-hidden="true">*</span></label>
                        <input type="text" class="form-control" id="createLocationName" name="LocationName" aria-required="true" required>
                    </div>

                    <div class="mb-3">
                        <label for="createRoomNumber" class="form-label">@T["Room Number"]</label>
                        <input type="text" class="form-control" id="createRoomNumber" name="RoomNumber">
                    </div>

                    <div class="mb-3">
                        <label for="createSeat" class="form-label">@T["Seat"]</label>
                        <input type="text" class="form-control" id="createSeat" name="Seat">
                    </div>
                </div>
                <div class="modal-footer">
                    <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">@T["Cancel"]</button>
                    <button type="submit" class="btn btn-primary">@T["Create"]</button>
                </div>
            </form>
        </div>
    </div>
</div>

<script>
    document.addEventListener('DOMContentLoaded', () => {
        // --- CREATE MODAL ---
        const createForm = document.getElementById('createForm');

        createForm.addEventListener('submit', async e => {
            e.preventDefault();

            const data = {
                Description: {
                    Location: createForm.createLocationName.value,
                    RoomNumber: createForm.createRoomNumber.value,
                    Seat: createForm.createSeat.value
                }
            };

            try {
                const response = await fetch('/Locations/Create', {
                    method: 'POST',
                    headers: {
                        'Content-Type': 'application/json',
                        'Accept': 'application/json'
                    },
                    body: JSON.stringify(data)
                });

                const result = await response.json();

                if (result.success) {
                    const newLoc = data.Description;
                    const slugifiedLocationID = `${newLoc.Location}-${newLoc.RoomNumber}-${newLoc.Seat}`
                        .toLowerCase()
                        .replace(/[^a-z0-9-]/g, '-')
                        .replace(/-+/g, '-')
                        .replace(/^-|-$/g, '');

                    // Insert new row into the table dynamically
                    const tbody = document.querySelector('table tbody');
                    const newRow = document.createElement('tr');
                    newRow.innerHTML = `
                        <td>${slugifiedLocationID}</td>
                        <td>${newLoc.Location}</td>
                        <td>${newLoc.RoomNumber}</td>
                        <td>${newLoc.Seat}</td>
                        <td>
                            <div class="d-flex gap-2">
                                <button class="btn btn-sm btn-warning btn-edit"
                                    data-location-id="${slugifiedLocationID}"
                                    data-location-name="${newLoc.Location}"
                                    data-room-number="${newLoc.RoomNumber}"
                                    data-seat="${newLoc.Seat}"
                                    data-bs-toggle="modal"
                                    data-bs-target="#editModal">
                                    @T["Edit"]
                                </button>
                                <button class="btn btn-sm btn-danger btn-delete"
                                    data-location-id="${slugifiedLocationID}"
                                    data-location-name="${newLoc.Location}"
                                    data-bs-toggle="modal"
                                    data-bs-target="#deleteModal">
                                    @T["Delete"]
                                </button>
                            </div>
                        </td>
                    `;
                    tbody.appendChild(newRow);

                    // Close modal
                    bootstrap.Modal.getInstance(document.getElementById('createModal')).hide();
                    createForm.reset();
                    showToast('@T["Location created successfully"]', 'success');
                } else {
                    switch (result.errorMessage) {
                        case "Entry Already Exists":
                            result.errorMessage = "@T["Entry already exists"]";
                            break;
                    }
                    showToast(`${result.errorMessage || '@T["Location creation failed"]'}`, 'danger');
                }
            } catch (error) {
                console.error(error);
                showToast('@T["Error contacting server"]', 'danger');
            }
        });
    });
</script>