MoneyMap/MoneyMap/Pages/EditTransaction.cshtml

@page "{id:long}"
@model MoneyMap.Pages.EditTransactionModel
@{
    ViewData["Title"] = "Edit Transaction";
    ViewData["Breadcrumbs"] = new List<(string Label, string? Url)>
    {
        ("Transactions", Url.Page("/Transactions")),
        ($"#{Model.Transaction.Id}", null)
    };
}

<div class="d-flex justify-content-between align-items-center mb-3">
    <h2 class="mb-0">Edit Transaction <small class="text-muted">#@Model.Transaction.Id</small> <button type="button" class="btn btn-sm btn-outline-secondary ms-2" onclick="copyTransactionId()">Copy ID</button></h2>
    <a asp-page="/Transactions" class="btn btn-outline-secondary">Back to Transactions</a>
</div>

@if (!string.IsNullOrEmpty(Model.SuccessMessage))
{
    <div class="alert alert-success alert-dismissible fade show" role="alert">
        @Model.SuccessMessage
        <button type="button" class="btn-close" data-bs-dismiss="alert" aria-label="Close"></button>
    </div>
}

@if (!string.IsNullOrEmpty(Model.ErrorMessage))
{
    <div class="alert alert-danger alert-dismissible fade show" role="alert">
        @Model.ErrorMessage
        <button type="button" class="btn-close" data-bs-dismiss="alert" aria-label="Close"></button>
    </div>
}

<div class="row">
    <div class="col-lg-8">
        <div class="card shadow-sm mb-3">
            <div class="card-header">
                <strong>Transaction Details</strong>
            </div>
            <div class="card-body">
                <form method="post">
                    <input type="hidden" asp-for="Transaction.Id" />
                    <input type="hidden" asp-for="Transaction.Date" />
                    <input type="hidden" asp-for="Transaction.Name" />
                    <input type="hidden" asp-for="Transaction.Memo" />
                    <input type="hidden" asp-for="Transaction.Amount" />
                    <input type="hidden" asp-for="Transaction.CardLabel" />
                    <input type="hidden" asp-for="Transaction.AccountLabel" />

                    <!-- Read-only fields -->
                    <div class="row mb-3">
                        <div class="col-md-6">
                            <label class="form-label fw-bold">Date</label>
                            <div class="form-control-plaintext">@Model.Transaction.Date.ToString("yyyy-MM-dd")</div>
                        </div>
                        <div class="col-md-6">
                            <label class="form-label fw-bold">Amount</label>
                            <div class="form-control-plaintext">
                                <span class="fs-5 @(Model.Transaction.Amount >= 0 ? "text-success" : "text-danger")">
                                    @Model.Transaction.Amount.ToString("C")
                                </span>
                            </div>
                        </div>
                    </div>

                    <div class="mb-3">
                        <label class="form-label fw-bold">Transaction Name</label>
                        <div class="form-control-plaintext">@Model.Transaction.Name</div>
                    </div>

                    <div class="mb-3">
                        <label class="form-label fw-bold">Memo</label>
                        <div class="form-control-plaintext">@Model.Transaction.Memo</div>
                    </div>

                    <div class="row mb-3">
                        <div class="col-md-6">
                            <label class="form-label fw-bold">Payment Method</label>
                            <div class="form-control-plaintext">@Model.Transaction.CardLabel</div>
                        </div>
                        <div class="col-md-6">
                            <label class="form-label fw-bold">Account</label>
                            <div class="form-control-plaintext">@Model.Transaction.AccountLabel</div>
                        </div>
                    </div>

                    <hr class="my-4" />

                    <!-- Editable fields -->
                    <div class="mb-3">
                        <label class="form-label fw-bold">Category</label>
                        <select class="form-select mb-2" id="categorySelect" onchange="handleCategoryChange()">
                            <option value="">(uncategorized)</option>
                            @foreach (var cat in Model.AvailableCategories)
                            {
                                <option value="@cat" selected="@(Model.Transaction.Category == cat)">@cat</option>
                            }
                            <option value="__custom__" selected="@Model.UseCustomCategory">+ Enter custom category</option>
                        </select>

                        <div id="customCategoryInput" style="display: @(Model.UseCustomCategory ? "block" : "none")">
                            <input asp-for="Transaction.Category"
                                   class="form-control"
                                   id="categoryInput"
                                   placeholder="Enter custom category" />
                        </div>

                        <div class="form-text">Select a category or create a new one</div>
                        <span asp-validation-for="Transaction.Category" class="text-danger"></span>
                    </div>

                    <div class="mb-3">
                        <label class="form-label fw-bold">Merchant</label>
                        <select class="form-select mb-2" id="merchantSelect" onchange="handleMerchantChange()">
                            <option value="">(no merchant)</option>
                            @foreach (var merchant in Model.AvailableMerchants)
                            {
                                <option value="@merchant.Id" selected="@(Model.Transaction.MerchantId == merchant.Id)">@merchant.Name</option>
                            }
                            <option value="__custom__" selected="@Model.UseCustomMerchant">+ Enter custom merchant</option>
                        </select>

                        <div id="customMerchantInput" style="display: @(Model.UseCustomMerchant ? "block" : "none")">
                            <input asp-for="Transaction.MerchantName"
                                   class="form-control"
                                   placeholder="Enter merchant name" />
                        </div>

                        <input type="hidden" asp-for="Transaction.MerchantId" id="merchantHidden" />

                        <div class="form-text">Select a merchant or create a new one</div>
                        <span asp-validation-for="Transaction.MerchantId" class="text-danger"></span>
                    </div>

                    <div class="mb-3">
                        <label asp-for="Transaction.Notes" class="form-label fw-bold">Notes</label>
                        <textarea asp-for="Transaction.Notes"
                                  class="form-control"
                                  rows="3"
                                  placeholder="Add any additional details about this transaction..."></textarea>
                        <div class="form-text">Optional: Add context or details to help you remember what this transaction was for</div>
                        <span asp-validation-for="Transaction.Notes" class="text-danger"></span>
                    </div>

                    <div class="d-flex gap-2">
                        <button type="submit" class="btn btn-primary">Save Changes</button>
                        <a asp-page="/Transactions" class="btn btn-secondary">Cancel</a>
                    </div>
                </form>
            </div>
        </div>
    </div>

    <div class="col-lg-4">
        <div class="card shadow-sm mb-3">
            <div class="card-header">
                <strong>Receipts (@Model.Receipts.Count)</strong>
            </div>
            <div class="card-body">
                @if (Model.Receipts.Any())
                {
                    @foreach (var item in Model.Receipts)
                    {
                        <div class="card mb-3">
                            <div class="card-body p-2">
                                <div class="d-flex justify-content-between align-items-start mb-2">
                                    <div class="flex-grow-1">
                                        <div class="fw-bold text-truncate" style="max-width: 200px;" title="@item.Receipt.FileName">
                                            @item.Receipt.FileName
                                        </div>
                                        <small class="text-muted">
                                            @((item.Receipt.FileSizeBytes / 1024.0).ToString("F1")) KB
                                            � @item.Receipt.UploadedAtUtc.ToLocalTime().ToString("MMM d, yyyy")
                                        </small>
                                        @if (!string.IsNullOrWhiteSpace(item.Receipt.Merchant))
                                        {
                                            <div class="small text-success mt-1">
                                                <strong>@item.Receipt.Merchant</strong>
                                                @if (item.Receipt.Total.HasValue)
                                                {
                                                    <span> - @item.Receipt.Total.Value.ToString("C")</span>
                                                }
                                            </div>
                                        }
                                    </div>
                                </div>

                                @if (item.LineItems.Any())
                                {
                                    <div class="border rounded p-2 mb-2 bg-body-secondary">
                                        <div class="small fw-bold mb-1">Line Items (@item.LineItems.Count)</div>
                                        <div style="max-height: 150px; overflow-y: auto;">
                                            @foreach (var lineItem in item.LineItems)
                                            {
                                                <div class="d-flex justify-content-between small">
                                                    <span class="text-truncate" style="max-width: 120px;" title="@lineItem.Description">
                                                        @if (lineItem.Quantity.HasValue)
                                                        {
                                                            <text>@lineItem.Quantity.Value.ToString("0.##")x </text>
                                                        }
                                                        @lineItem.Description
                                                    </span>
                                                    <span class="text-end">@(lineItem.LineTotal?.ToString("C") ?? "-")</span>
                                                </div>
                                            }
                                        </div>
                                    </div>
                                }

                                <div class="d-flex gap-1 flex-wrap">
                                    <a asp-page="/ViewReceipt" asp-route-id="@item.Receipt.Id"
                                       target="_blank"
                                       class="btn btn-sm btn-outline-primary">
                                        View
                                    </a>
                                    @if (!item.LineItems.Any())
                                    {
                                        <form method="post" asp-page-handler="ParseReceipt" asp-route-receiptId="@item.Receipt.Id" class="d-inline">
                                            <button type="submit" class="btn btn-sm btn-outline-info">Parse</button>
                                        </form>
                                    }
                                    <form method="post" asp-page-handler="UnmapReceipt" asp-route-receiptId="@item.Receipt.Id" class="d-inline">
                                        <button type="submit" class="btn btn-sm btn-outline-warning" title="Unmap from this transaction (receipt will go back to Receipts page)">Unmap</button>
                                    </form>
                                    <form method="post" asp-page-handler="DeleteReceipt" asp-route-receiptId="@item.Receipt.Id"
                                          onsubmit="return confirm('Are you sure? This will PERMANENTLY DELETE the receipt file!')" class="d-inline">
                                        <button type="submit" class="btn btn-sm btn-outline-danger">Delete</button>
                                    </form>
                                </div>
                            </div>
                        </div>
                    }
                }
                else
                {
                    <p class="text-muted mb-3">No receipts attached</p>
                }

                <hr />

                <form method="post" asp-page-handler="UploadReceipt" enctype="multipart/form-data">
                    <input type="hidden" asp-for="Transaction.Id" />
                    <div class="mb-2">
                        <label for="ReceiptFile" class="form-label small fw-bold">Upload Receipt</label>
                        <input asp-for="ReceiptFile" type="file" class="form-control form-control-sm" accept="image/*,.pdf" />
                    </div>
                    <button type="submit" class="btn btn-sm btn-primary w-100">Upload</button>
                    <div class="form-text small">
                        Accepts: JPG, PNG, PDF, GIF, HEIC (max 10MB)
                    </div>
                </form>
            </div>
        </div>

        <div class="card shadow-sm mt-3">
            <div class="card-header">
                <strong>Quick Tips</strong>
            </div>
            <div class="card-body">
                <ul class="small mb-0">
                    <li>Use the category dropdown to see existing categories</li>
                    <li>Leave category blank to mark as uncategorized</li>
                    <li>You can create new categories by typing them in</li>
                </ul>
            </div>
        </div>
    </div>
</div>

@section Scripts {
    <partial name="_ValidationScriptsPartial" />
    <script src="~/js/edit-transaction.js"></script>
    <script>
        // Override with server-side transaction ID
        function copyTransactionId() {
            window.copyTransactionId('@Model.Transaction.Id');
        }
    </script>
}