SharepointToolbox-Web/Components/Pages/ScheduledReports.razor

@page "/scheduled-reports"
@attribute [Microsoft.AspNetCore.Authorization.Authorize]
@inject IUserContextAccessor UserContext
@inject SharepointToolbox.Web.Infrastructure.Persistence.ScheduledReportRepository ScheduleRepo
@inject SharepointToolbox.Web.Infrastructure.Persistence.ProfileRepository ProfileRepo
@inject SharepointToolbox.Web.Services.Reports.IScheduledReportRunner Runner
@inject SharepointToolbox.Web.Services.Reports.ScheduledRunCoordinator Coordinator
@inject TranslationSource T
@rendermode InteractiveServer
@using SharepointToolbox.Web.Core.Models
@using SharepointToolbox.Web.Services.Export

<h1 class="page-title">Scheduled Reports</h1>
<p class="page-subtitle">Automatic report generation per client. Generated files appear under Reports and are downloadable there.</p>

@if (UserContext.Role != UserRole.Admin)
{
    <div class="alert alert-info">Only administrators can manage scheduled reports.</div>
    return;
}

@if (!string.IsNullOrEmpty(_pageMsg)) { <div class="alert alert-info" style="margin-bottom:12px">@_pageMsg</div> }

@if (_appOnlyProfiles.Count == 0)
{
    <div class="alert alert-error">
        No client has app-only access enabled. Open a client under <a href="/profiles">Client Profiles</a>,
        enable scheduled reports, and upload its certificate first.
    </div>
}

<div class="flex-row" style="margin-bottom:16px">
    <button class="btn btn-primary" @onclick="AddNew" disabled="@(_appOnlyProfiles.Count == 0)">New schedule</button>
    <div class="spacer"></div>
    @if (Coordinator.IsPaused)
    {
        <span class="chip chip-blue" style="align-self:center">Scheduler paused</span>
        <button class="btn btn-secondary btn-sm" @onclick="ResumeScheduler">Resume scheduler</button>
    }
    else
    {
        <button class="btn btn-secondary btn-sm" @onclick="PauseScheduler">Pause scheduler</button>
    }
    <button class="btn btn-danger btn-sm" @onclick="StopAll">Stop all running</button>
</div>

@if (_schedules.Count == 0 && !_showForm)
{
    <div class="alert alert-info">No schedules defined.</div>
}

@foreach (var s in _schedules)
{
    <div class="card">
        <div class="flex-row">
            <div>
                <div style="font-weight:600;font-size:15px">
                    @(string.IsNullOrEmpty(s.Name) ? "(unnamed)" : s.Name)
                    @if (!s.Enabled) { <span class="chip chip-blue" style="margin-left:6px">Disabled</span> }
                </div>
                <div class="text-muted">@ClientName(s.ProfileId) · @s.Type · @s.Format · @RecurrenceSummary(s.Recurrence)</div>
                <div class="text-muted">
                    @(s.AllSites ? "All sites" : $"{s.SiteUrls.Count} site(s)") ·
                    Next: @(s.NextRunUtc?.ToString("yyyy-MM-dd HH:mm 'UTC'") ?? "—") ·
                    Last: @(s.LastRunUtc?.ToString("yyyy-MM-dd HH:mm 'UTC'") ?? "never")
                </div>
            </div>
            <div class="spacer"></div>
            <button class="btn btn-secondary btn-sm" @onclick="() => RunNowAsync(s)" disabled="@Coordinator.IsRunning(s.Id)">
                @(Coordinator.IsRunning(s.Id) ? "Running…" : "Run now")
            </button>
            @if (Coordinator.IsRunning(s.Id))
            {
                <button class="btn btn-danger btn-sm" @onclick="() => Stop(s)">Stop</button>
            }
            <button class="btn btn-secondary btn-sm" @onclick="() => ToggleEnabledAsync(s)">@(s.Enabled ? "Disable" : "Enable")</button>
            <button class="btn btn-secondary btn-sm" @onclick="() => Edit(s)">Edit</button>
            <button class="btn btn-danger btn-sm" @onclick="() => DeleteAsync(s)">Delete</button>
        </div>
    </div>
}

@if (_showForm)
{
    <div class="card" style="border-color:var(--accent)">
        <div class="card-title">@(_editing is null ? "New schedule" : "Edit schedule")</div>
        @if (!string.IsNullOrEmpty(_formError)) { <div class="alert alert-error">@_formError</div> }

        <div class="form-group">
            <label class="form-label">Name</label>
            <input class="form-input" @bind="_form.Name" placeholder="e.g. Weekly permissions audit" />
        </div>

        <div class="form-row">
            <div class="form-group" style="flex:1">
                <label class="form-label">Client</label>
                <select class="form-input" @bind="_form.ProfileId">
                    @foreach (var p in _appOnlyProfiles)
                    {
                        <option value="@p.Id">@p.Name</option>
                    }
                </select>
            </div>
            <div class="form-group" style="flex:1">
                <label class="form-label">Report type</label>
                <select class="form-input" @bind="_form.Type">
                    @foreach (var t in Enum.GetValues<ReportType>())
                    {
                        <option value="@t">@t</option>
                    }
                </select>
            </div>
        </div>

        @if (_form.Type == ReportType.VersionCleanup)
        {
            <div class="alert alert-error">
                <strong>Destructive action.</strong> Version Cleanup permanently <strong>deletes</strong> old file
                versions across the selected sites every time it runs — unattended, with no confirmation.
                The report is only a summary of what was deleted. Output is HTML (no CSV).
            </div>
        }

        <div class="form-row">
            <div class="form-group" style="flex:1">
                <label class="form-label">Format</label>
                <select class="form-input" @bind="_form.Format" disabled="@(_form.Type == ReportType.VersionCleanup)">
                    @foreach (var f in Enum.GetValues<ReportFormat>())
                    {
                        <option value="@f">@f</option>
                    }
                </select>
            </div>
            <div class="form-group" style="flex:1">
                <label class="form-label">Multi-site bundling</label>
                <select class="form-input" @bind="_form.MergeMode">
                    @foreach (var m in Enum.GetValues<ReportMergeMode>())
                    {
                        <option value="@m">@m</option>
                    }
                </select>
            </div>
        </div>

        @* ── Site scope ── *@
        <div class="form-group">
            <label><input type="checkbox" @bind="_form.AllSites" /> All sites in the tenant (auto-discovered)</label>
            @if (!_form.AllSites)
            {
                <label class="form-label mt-8">Site URLs (one per line)</label>
                <textarea class="form-textarea" rows="3" @bind="_siteUrlsText"
                          placeholder="https://contoso.sharepoint.com/sites/Marketing"></textarea>
            }
        </div>

        @* ── Recurrence ── *@
        <div class="form-row">
            <div class="form-group" style="flex:1">
                <label class="form-label">Frequency</label>
                <select class="form-input" @bind="_form.Recurrence.Frequency">
                    @foreach (var f in Enum.GetValues<ReportFrequency>())
                    {
                        <option value="@f">@f</option>
                    }
                </select>
            </div>
            <div class="form-group" style="flex:1">
                <label class="form-label">Time (UTC, HH:mm)</label>
                <input class="form-input" @bind="_form.Recurrence.TimeOfDayUtc" placeholder="06:00" />
            </div>
            @if (_form.Recurrence.Frequency == ReportFrequency.Weekly)
            {
                <div class="form-group" style="flex:1">
                    <label class="form-label">Day of week</label>
                    <select class="form-input" @bind="_form.Recurrence.DayOfWeek">
                        @foreach (var d in Enum.GetValues<DayOfWeek>())
                        {
                            <option value="@d">@d</option>
                        }
                    </select>
                </div>
            }
            else if (_form.Recurrence.Frequency == ReportFrequency.Monthly)
            {
                <div class="form-group" style="flex:1">
                    <label class="form-label">Day of month</label>
                    <input class="form-input" type="number" min="1" max="31" @bind="_form.Recurrence.DayOfMonth" />
                </div>
            }
        </div>

        @* ── Type-specific options ── *@
        <div class="form-group" style="border-top:1px solid var(--border);padding-top:12px">
            <label class="form-label" style="font-weight:600">Options</label>
            @switch (_form.Type)
            {
                case ReportType.Permissions:
                    <div style="display:flex;gap:16px;flex-wrap:wrap;align-items:center">
                        <label><input type="checkbox" @bind="_form.Options.IncludeInherited" /> Include inherited</label>
                        <label><input type="checkbox" @bind="_form.Options.ScanFolders" /> Scan folders</label>
                        <label><input type="checkbox" @bind="_form.Options.IncludeSubsites" /> Include subsites</label>
                        <label>Folder depth <input class="form-input" type="number" min="0" max="999" style="width:80px" @bind="_form.Options.FolderDepth" /></label>
                    </div>
                    break;

                case ReportType.Storage:
                    <div style="display:flex;gap:16px;flex-wrap:wrap;align-items:center">
                        <label><input type="checkbox" @bind="_form.Options.IncludeSubsites" /> Include subsites</label>
                        <label><input type="checkbox" @bind="_form.Options.IncludeHiddenLibraries" /> Include hidden libraries</label>
                        <label><input type="checkbox" @bind="_form.Options.IncludeRecycleBin" /> Include recycle bin</label>
                        <label>Folder depth <input class="form-input" type="number" min="0" max="20" style="width:80px" @bind="_form.Options.FolderDepth" /></label>
                    </div>
                    break;

                case ReportType.Duplicates:
                    <div style="display:flex;gap:16px;flex-wrap:wrap;align-items:center">
                        <label>Mode
                            <select class="form-input" style="width:120px" @bind="_form.Options.DuplicateMode">
                                <option value="Files">Files</option>
                                <option value="Folders">Folders</option>
                            </select>
                        </label>
                        <label><input type="checkbox" @bind="_form.Options.MatchSize" /> Match size</label>
                        <label><input type="checkbox" @bind="_form.Options.IncludeSubsites" /> Include subsites</label>
                        <label>Library <input class="form-input" style="width:160px" @bind="_form.Options.Library" placeholder="(all)" /></label>
                    </div>
                    break;

                case ReportType.Search:
                    <div style="display:flex;gap:16px;flex-wrap:wrap;align-items:center">
                        <label>Extensions <input class="form-input" style="width:180px" @bind="_extensionsText" placeholder="pdf, docx" /></label>
                        <label>Regex <input class="form-input" style="width:180px" @bind="_form.Options.Regex" placeholder="(optional)" /></label>
                        <label>Max results <input class="form-input" type="number" min="1" style="width:100px" @bind="_form.Options.MaxResults" /></label>
                        <label>Library <input class="form-input" style="width:160px" @bind="_form.Options.Library" placeholder="(all)" /></label>
                    </div>
                    break;

                case ReportType.UserAccess:
                    <label class="form-label">Target users (login/email, one per line)</label>
                    <textarea class="form-textarea" rows="2" @bind="_targetUsersText" placeholder="alice@contoso.com&#10;bob@contoso.com"></textarea>
                    <div style="display:flex;gap:16px;flex-wrap:wrap;align-items:center;margin-top:8px">
                        <label><input type="checkbox" @bind="_form.Options.IncludeInherited" /> Include inherited</label>
                        <label><input type="checkbox" @bind="_form.Options.IncludeSubsites" /> Include subsites</label>
                    </div>
                    break;

                case ReportType.VersionCleanup:
                    <div style="display:flex;gap:16px;flex-wrap:wrap;align-items:center">
                        <label>Libraries (comma separated, blank = all) <input class="form-input" style="width:220px" @bind="_libraryTitlesText" /></label>
                        <label>Keep last <input class="form-input" type="number" min="0" style="width:80px" @bind="_form.Options.KeepLast" /></label>
                        <label><input type="checkbox" @bind="_form.Options.KeepFirst" /> Keep first version</label>
                    </div>
                    break;
            }
        </div>

        @* ── Email delivery ── *@
        <div class="form-group" style="border-top:1px solid var(--border);padding-top:12px">
            <label style="font-weight:600"><input type="checkbox" @bind="_form.Email.Enabled" /> Email the report via Graph</label>
            @if (_form.Email.Enabled)
            {
                <div class="alert alert-info" style="margin-top:8px">
                    Sent through the client's app-only certificate (requires the <strong>Mail.Send</strong> application
                    permission — re-run onboarding if the app was registered before this was added). The report file is attached.
                </div>
                <div class="form-group">
                    <label class="form-label">From (sender mailbox)</label>
                    <input class="form-input" @bind="_form.Email.From" placeholder="reports@contoso.com" />
                </div>
                <div class="form-row">
                    <div class="form-group" style="flex:1">
                        <label class="form-label">To (one per line)</label>
                        <textarea class="form-textarea" rows="2" @bind="_emailToText" placeholder="alice@contoso.com"></textarea>
                    </div>
                    <div class="form-group" style="flex:1">
                        <label class="form-label">Cc (one per line)</label>
                        <textarea class="form-textarea" rows="2" @bind="_emailCcText" placeholder="(optional)"></textarea>
                    </div>
                </div>
                <div class="form-group">
                    <label class="form-label">Subject</label>
                    <input class="form-input" @bind="_form.Email.Subject" />
                </div>
                <div class="form-group">
                    <label class="form-label">Body (HTML)</label>
                    <textarea class="form-textarea" rows="5" @bind="_form.Email.Body"></textarea>
                    <div class="text-muted" style="margin-top:4px">
                        Placeholders: {ReportName} {ClientName} {ReportType} {FileName} {DateUtc}
                    </div>
                </div>
            }
        </div>

        <div class="form-group">
            <label><input type="checkbox" @bind="_form.Enabled" /> Enabled</label>
        </div>

        <div class="flex-row mt-8">
            <button class="btn btn-primary" @onclick="SaveAsync">Save</button>
            <button class="btn btn-secondary" @onclick="() => _showForm = false">Cancel</button>
        </div>
    </div>
}

@code {
    private List<ScheduledReport> _schedules = new();
    private List<TenantProfile> _appOnlyProfiles = new();
    private bool _showForm;
    private ScheduledReport? _editing;
    private ScheduledReport _form = new();
    private string _formError = string.Empty;
    private string _pageMsg = string.Empty;

    // Textarea/CSV scratch buffers mapped to/from the option lists on save.
    private string _siteUrlsText = string.Empty;
    private string _extensionsText = string.Empty;
    private string _targetUsersText = string.Empty;
    private string _libraryTitlesText = string.Empty;
    private string _emailToText = string.Empty;
    private string _emailCcText = string.Empty;

    protected override async Task OnInitializedAsync()
    {
        if (UserContext.Role != UserRole.Admin) return;
        await Reload();
    }

    private async Task Reload()
    {
        _schedules = (await ScheduleRepo.LoadAsync()).OrderBy(s => s.Name).ToList();
        _appOnlyProfiles = (await ProfileRepo.LoadAsync()).Where(p => p.AppOnlyEnabled).OrderBy(p => p.Name).ToList();
    }

    private string ClientName(string profileId) =>
        _appOnlyProfiles.FirstOrDefault(p => p.Id == profileId)?.Name ?? "(client removed)";

    private static string RecurrenceSummary(RecurrenceRule r) => r.Frequency switch
    {
        ReportFrequency.Daily   => $"Daily at {r.TimeOfDayUtc} UTC",
        ReportFrequency.Weekly  => $"Weekly {r.DayOfWeek} at {r.TimeOfDayUtc} UTC",
        ReportFrequency.Monthly => $"Monthly day {r.DayOfMonth} at {r.TimeOfDayUtc} UTC",
        _                       => r.TimeOfDayUtc
    };

    private void AddNew()
    {
        _editing = null;
        _form = new ScheduledReport
        {
            ProfileId = _appOnlyProfiles.FirstOrDefault()?.Id ?? string.Empty,
            CreatedBy = UserContext.Email
        };
        _siteUrlsText = _extensionsText = _targetUsersText = _libraryTitlesText = string.Empty;
        _emailToText = _emailCcText = string.Empty;
        _formError = string.Empty;
        _showForm = true;
    }

    private void Edit(ScheduledReport s)
    {
        _editing = s;
        // Deep-ish copy so cancel discards edits.
        _form = new ScheduledReport
        {
            Id = s.Id, ProfileId = s.ProfileId, Name = s.Name, Type = s.Type,
            AllSites = s.AllSites, SiteUrls = new List<string>(s.SiteUrls),
            MergeMode = s.MergeMode, Format = s.Format, Enabled = s.Enabled,
            CreatedBy = s.CreatedBy, CreatedUtc = s.CreatedUtc,
            LastRunUtc = s.LastRunUtc, NextRunUtc = s.NextRunUtc,
            Recurrence = new RecurrenceRule
            {
                Frequency = s.Recurrence.Frequency, TimeOfDayUtc = s.Recurrence.TimeOfDayUtc,
                DayOfWeek = s.Recurrence.DayOfWeek, DayOfMonth = s.Recurrence.DayOfMonth
            },
            Options = Clone(s.Options),
            Email = new ReportEmailSettings
            {
                Enabled = s.Email.Enabled, From = s.Email.From,
                To = new List<string>(s.Email.To), Cc = new List<string>(s.Email.Cc),
                Subject = s.Email.Subject, Body = s.Email.Body
            }
        };
        _siteUrlsText      = string.Join("\n", s.SiteUrls);
        _extensionsText    = string.Join(", ", s.Options.Extensions);
        _targetUsersText   = string.Join("\n", s.Options.TargetUserLogins);
        _libraryTitlesText = string.Join(", ", s.Options.LibraryTitles);
        _emailToText       = string.Join("\n", s.Email.To);
        _emailCcText       = string.Join("\n", s.Email.Cc);
        _formError = string.Empty;
        _showForm = true;
    }

    private static ScheduledReportOptions Clone(ScheduledReportOptions o) => new()
    {
        IncludeInherited = o.IncludeInherited, ScanFolders = o.ScanFolders, FolderDepth = o.FolderDepth,
        IncludeSubsites = o.IncludeSubsites, PerLibrary = o.PerLibrary,
        IncludeHiddenLibraries = o.IncludeHiddenLibraries, IncludePreservationHold = o.IncludePreservationHold,
        IncludeListAttachments = o.IncludeListAttachments, IncludeRecycleBin = o.IncludeRecycleBin,
        DuplicateMode = o.DuplicateMode, MatchSize = o.MatchSize, MatchCreated = o.MatchCreated,
        MatchModified = o.MatchModified, MatchSubfolderCount = o.MatchSubfolderCount, MatchFileCount = o.MatchFileCount,
        Library = o.Library, LibraryTitles = new List<string>(o.LibraryTitles), KeepLast = o.KeepLast, KeepFirst = o.KeepFirst,
        Extensions = new List<string>(o.Extensions), Regex = o.Regex, MaxResults = o.MaxResults,
        TargetUserLogins = new List<string>(o.TargetUserLogins)
    };

    private async Task SaveAsync()
    {
        _formError = string.Empty;
        if (string.IsNullOrWhiteSpace(_form.Name)) { _formError = "Name is required."; return; }
        if (string.IsNullOrWhiteSpace(_form.ProfileId)) { _formError = "Select a client."; return; }

        // VersionCleanup has no CSV exporter.
        if (_form.Type == ReportType.VersionCleanup) _form.Format = ReportFormat.Html;

        // Map scratch buffers back to option lists.
        _form.SiteUrls = _siteUrlsText.Split('\n', StringSplitOptions.RemoveEmptyEntries | StringSplitOptions.TrimEntries).ToList();
        _form.Options.Extensions = _extensionsText.Split(',', StringSplitOptions.RemoveEmptyEntries | StringSplitOptions.TrimEntries).ToList();
        _form.Options.TargetUserLogins = _targetUsersText.Split('\n', StringSplitOptions.RemoveEmptyEntries | StringSplitOptions.TrimEntries).ToList();
        _form.Options.LibraryTitles = _libraryTitlesText.Split(',', StringSplitOptions.RemoveEmptyEntries | StringSplitOptions.TrimEntries).ToList();

        if (!_form.AllSites && _form.SiteUrls.Count == 0) { _formError = "Add at least one site URL, or choose All sites."; return; }
        if (_form.Type == ReportType.UserAccess && _form.Options.TargetUserLogins.Count == 0) { _formError = "User Access reports need at least one target user."; return; }

        // Map email scratch buffers back to lists and validate when delivery is on.
        _form.Email.To = _emailToText.Split('\n', StringSplitOptions.RemoveEmptyEntries | StringSplitOptions.TrimEntries).ToList();
        _form.Email.Cc = _emailCcText.Split('\n', StringSplitOptions.RemoveEmptyEntries | StringSplitOptions.TrimEntries).ToList();
        if (_form.Email.Enabled)
        {
            if (string.IsNullOrWhiteSpace(_form.Email.From)) { _formError = "Email delivery needs a sender mailbox (From)."; return; }
            if (_form.Email.To.Count == 0 && _form.Email.Cc.Count == 0) { _formError = "Email delivery needs at least one To or Cc recipient."; return; }
        }

        // Arm the next run from now so the scheduler picks it up on the right cadence.
        _form.NextRunUtc = _form.Recurrence.ComputeNextRunUtc(DateTime.UtcNow);

        await ScheduleRepo.UpsertAsync(_form);
        _showForm = false;
        _editing = null;
        await Reload();
    }

    private async Task ToggleEnabledAsync(ScheduledReport s)
    {
        s.Enabled = !s.Enabled;
        if (s.Enabled && s.NextRunUtc is null) s.NextRunUtc = s.Recurrence.ComputeNextRunUtc(DateTime.UtcNow);
        await ScheduleRepo.UpsertAsync(s);
        await Reload();
    }

    private async Task DeleteAsync(ScheduledReport s)
    {
        await ScheduleRepo.DeleteAsync(s.Id);
        await Reload();
    }

    private async Task RunNowAsync(ScheduledReport s)
    {
        // Register through the coordinator so this manual run is stoppable and can't
        // overlap a scheduler-triggered run of the same schedule.
        var token = Coordinator.TryBegin(s.Id, CancellationToken.None);
        if (token is null) { _pageMsg = $"'{s.Name}' is already running."; return; }

        _pageMsg = string.Empty;
        await InvokeAsync(StateHasChanged);
        try
        {
            var report = await Runner.RunAsync(s, token.Value);
            _pageMsg = report.Status == ReportRunStatus.Success
                ? $"'{s.Name}' generated {report.FileName}. See Reports."
                : $"'{s.Name}' failed: {report.Error}";
        }
        catch (OperationCanceledException) { _pageMsg = $"'{s.Name}' was stopped."; }
        catch (Exception ex) { _pageMsg = $"'{s.Name}' failed: {ex.Message}"; }
        finally { Coordinator.Complete(s.Id); await Reload(); }
    }

    private void Stop(ScheduledReport s) =>
        _pageMsg = Coordinator.Cancel(s.Id)
            ? $"Stop signal sent to '{s.Name}'. It ends after the current site finishes."
            : $"'{s.Name}' is not running.";

    private void StopAll()
    {
        var n = Coordinator.CancelAll();
        _pageMsg = n == 0 ? "No runs in progress." : $"Stop signal sent to {n} running report(s).";
    }

    private void PauseScheduler()
    {
        Coordinator.Pause();
        _pageMsg = "Scheduler paused — no schedules will fire until resumed. Runs in progress keep going (Stop them individually).";
    }

    private void ResumeScheduler()
    {
        Coordinator.Resume();
        _pageMsg = "Scheduler resumed.";
    }
}