@page "/"
@page "/Dashboard"
@inject MesaFabApprovalAuthStateProvider stateProvider
@inject IApprovalService approvalService
@inject IMemoryCache cache
@inject NavigationManager navigationManager
@inject ISnackbar snackbar

<PageTitle>Dashboard</PageTitle>

<MudPaper Class="p-2 m-2" MinWidth="100%">
    <MudText Typo="Typo.h3" Align="Align.Center">Dashboard</MudText>
</MudPaper>

@if (stateProvider.CurrentUser is not null && approvalList is not null) {
    <MudPaper Outlined="true"
              Class="p-2 m-2 d-flex flex-column justify-center">
        <MudText Typo="Typo.h4" Align="Align.Center">My Active Approvals</MudText>
        <MudDivider DividerType="DividerType.Middle" Class="my-2" />
        <MudTable Items="@approvalList"
                  Class="m-2"
                  Striped
                  SortLabel="Sort by">
            <HeaderContent>
                <MudTh>
                    <MudTableSortLabel InitialDirection="SortDirection.Descending" SortBy="new Func<Approval,object>(x=>x.IssueID)">
                        Issue ID
                    </MudTableSortLabel>
                </MudTh>
                <MudTh>
                    <MudTableSortLabel InitialDirection="SortDirection.Descending" SortBy="new Func<Approval,object>(x=>x.SubRoleCategoryItem)">
                        Role
                    </MudTableSortLabel>
                </MudTh>
                <MudTh>
                    <MudTableSortLabel InitialDirection="SortDirection.Descending" SortBy="new Func<Approval,object>(x=>x.AssignedDate)">
                        Assigned Date
                    </MudTableSortLabel>
                </MudTh>
                <MudTh>
                    <MudTableSortLabel InitialDirection="SortDirection.Descending" SortBy="new Func<Approval,object>(x=>x.Step)">
                        Step
                    </MudTableSortLabel>
                </MudTh>
            </HeaderContent>
            <RowTemplate>
                <MudTd DataLabel="Issue ID">
                    <MudLink OnClick="@(() => GoTo($"/mrb/{context.IssueID}"))">@context.IssueID</MudLink>
                </MudTd>
                <MudTd DataLabel="Role">@context.SubRoleCategoryItem</MudTd>
                <MudTd DataLabel="Assigned Date">@DateTimeUtilities.GetDateAsStringMinDefault(context.AssignedDate)</MudTd>
                <MudTd DataLabel="Step">@context.Step</MudTd>
            </RowTemplate>
            <PagerContent>
                <MudTablePager />
            </PagerContent>
        </MudTable>
    </MudPaper>
}

@code {
    private IEnumerable<Approval> approvalList = new List<Approval>();

    protected async override Task OnParametersSetAsync() {
        try {
            if (stateProvider.CurrentUser is not null)
                approvalList = (await approvalService.GetApprovalsForUserId(stateProvider.CurrentUser.UserID, true)).ToList();
        } catch (Exception ex) {
            snackbar.Add($"Unable to fetch your outstanding approvals, because {ex.Message}", Severity.Error);
        }
    }

    private void GoTo(string page) {
        cache.Set("redirectUrl", page);
        navigationManager.NavigateTo(page);
    }
}