@page "/Rooms/{RoomId}/Policies"
@using LibMatrix.StateEventTypes
@using System.Text.Json
@using LibMatrix
@using LibMatrix.Extensions
@using LibMatrix.Helpers
@using LibMatrix.Responses
@using LibMatrix.StateEventTypes.Spec
<h3>Policy list editor - Editing @RoomId</h3>
<hr/>

<p>
    This policy list contains @PolicyEvents.Count(x => x.Type == "m.policy.rule.server") server bans,
    @PolicyEvents.Count(x => x.Type == "m.policy.rule.room") room bans and
    @PolicyEvents.Count(x => x.Type == "m.policy.rule.user") user bans.
</p>
<InputCheckbox @bind-Value="_enableAvatars" @oninput="GetAllAvatars"></InputCheckbox><label>Enable avatars (WILL EXPOSE YOUR IP TO TARGET HOMESERVERS!)</label>


@if (!PolicyEvents.Any(x => x.Type == "m.policy.rule.server")) {
    <p>No server policies</p>
}
else {
    <h3>Server policies</h3>
    <hr/>
    <table class="table table-striped table-hover" style="width: fit-Content;">
        <thead>
        <tr>
            <th scope="col" style="max-width: 50vw;">Server</th>
            <th scope="col">Reason</th>
            <th scope="col">Expires</th>
            <th scope="col">Actions</th>
        </tr>
        </thead>
        <tbody>
        @foreach (var policyEvent in PolicyEvents.Where(x => x.Type == "m.policy.rule.server" && (x.TypedContent as PolicyRuleStateEventData).Entity is not null)) {
            var policyData = policyEvent.TypedContent as PolicyRuleStateEventData;
            <tr>
                <td>Entity: @policyData.Entity<br/>State: @policyEvent.StateKey</td>
                <td>@policyData.Reason</td>
                <td>
                    @policyData.ExpiryDateTime
                </td>
                <td>
                    <button class="btn" @* @onclick="async () => await RemovePolicyAsync(policyEvent)" *@>Edit</button>
                    @* <button class="btn btn-danger" $1$ @onclick="async () => await RemovePolicyAsync(policyEvent)" #1#>Remove</button> *@
                </td>
            </tr>
        }
        </tbody>
    </table>
    <details>
        <summary>Redacted events</summary>
        <table class="table table-striped table-hover" style="width: fit-Content;">
            <thead>
            <tr>
                <th scope="col" style="max-width: 50vw;">State key</th>
                <th scope="col">Serialised Contents</th>
            </tr>
            </thead>
            <tbody>
            @foreach (var policyEvent in PolicyEvents.Where(x => x.Type == "m.policy.rule.server" && (x.TypedContent as PolicyRuleStateEventData).Entity == null)) {
                var policyData = policyEvent.TypedContent as PolicyRuleStateEventData;
                <tr>
                    <td>@policyEvent.StateKey</td>
                    <td>@policyEvent.RawContent.ToJson(false, true)</td>
                </tr>
            }
            </tbody>
        </table>
    </details>
}
@if (!PolicyEvents.Any(x => x.Type == "m.policy.rule.room")) {
    <p>No room policies</p>
}
else {
    <h3>Room policies</h3>
    <hr/>
    <table class="table table-striped table-hover" style="width: fit-Content;">
        <thead>
        <tr>
            <th scope="col" style="max-width: 50vw;">Room</th>
            <th scope="col">Reason</th>
            <th scope="col">Expires</th>
            <th scope="col">Actions</th>
        </tr>
        </thead>
        <tbody>
        @foreach (var policyEvent in PolicyEvents.Where(x => x.Type == "m.policy.rule.room" && (x.TypedContent as PolicyRuleStateEventData).Entity is not null)) {
            var policyData = policyEvent.TypedContent as PolicyRuleStateEventData;
            <tr>
                <td>Entity: @policyData.Entity<br/>State: @policyEvent.StateKey</td>
                <td>@policyData.Reason</td>
                <td>
                    @policyData.ExpiryDateTime
                </td>
                <td>
                    <button class="btn btn-danger" @* @onclick="async () => await RemovePolicyAsync(policyEvent)" *@>Remove</button>
                </td>
            </tr>
        }
        </tbody>
    </table>
    <details>
        <summary>Redacted events</summary>
        <table class="table table-striped table-hover" style="width: fit-Content;">
            <thead>
            <tr>
                <th scope="col" style="max-width: 50vw;">State key</th>
                <th scope="col">Serialised Contents</th>
            </tr>
            </thead>
            <tbody>
            @foreach (var policyEvent in PolicyEvents.Where(x => x.Type == "m.policy.rule.room" && (x.TypedContent as PolicyRuleStateEventData).Entity == null)) {
                <tr>
                    <td>@policyEvent.StateKey</td>
                    <td>@policyEvent.RawContent!.ToJson(false, true)</td>
                </tr>
            }
            </tbody>
        </table>
    </details>
}
@if (!PolicyEvents.Any(x => x.Type == "m.policy.rule.user")) {
    <p>No user policies</p>
}
else {
    <h3>User policies</h3>
    <hr/>
    <table class="table table-striped table-hover" style="width: fit-Content;">
        <thead>
        <tr>
            @if (_enableAvatars) {
                <th scope="col"></th>
            }
            <th scope="col" style="max-width: 0.2vw; word-wrap: anywhere;">User</th>
            <th scope="col">Reason</th>
            <th scope="col">Expires</th>
            <th scope="col">Actions</th>
        </tr>
        </thead>
        <tbody>
        @foreach (var policyEvent in PolicyEvents.Where(x => x.Type == "m.policy.rule.user" && (x.TypedContent as PolicyRuleStateEventData).Entity is not null)) {
            var policyData = policyEvent.TypedContent as PolicyRuleStateEventData;
            <tr>
                @if (_enableAvatars) {
                    <td scope="col">
                        <img style="width: 48px; height: 48px; aspect-ratio: unset; border-radius: 50%;" src="@(avatars.ContainsKey(policyData.Entity) ? avatars[policyData.Entity] : "")"/>
                    </td>
                }
                <td style="word-wrap: anywhere;">Entity: @string.Join("", policyData.Entity.Take(64))<br/>State: @string.Join("", policyEvent.StateKey.Take(64))</td>
                <td>@policyData.Reason</td>
                <td>
                    @policyData.ExpiryDateTime
                </td>
                <td>
                    <button class="btn btn-danger" @* @onclick="async () => await RemovePolicyAsync(policyEvent)" *@>Remove</button>
                </td>
            </tr>
        }
        </tbody>
    </table>
    <details>
        <summary>Redacted events</summary>
        <table class="table table-striped table-hover" style="width: fit-Content;">
            <thead>
            <tr>
                <th scope="col">State key</th>
                <th scope="col">Serialised Contents</th>
            </tr>
            </thead>
            <tbody>
            @foreach (var policyEvent in PolicyEvents.Where(x => x.Type == "m.policy.rule.user" && (x.TypedContent as PolicyRuleStateEventData).Entity == null)) {
                <tr>
                    <td>@policyEvent.StateKey</td>
                    <td>@policyEvent.RawContent.ToJson(false, true)</td>
                </tr>
            }
            </tbody>
        </table>
    </details>
}

<LogView></LogView>

@code {
    //get room list
    // - sync withroom list filter
    // Type = support.feline.msc3784
    //support.feline.policy.lists.msc.v1

    [Parameter]
    public string? RoomId { get; set; }

    private bool _enableAvatars;

    static readonly Dictionary<string, string?> avatars = new();
    static readonly Dictionary<string, RemoteHomeServer> servers = new();

    public static List<StateEventResponse> PolicyEvents { get; set; } = new();

    protected override async Task OnInitializedAsync() {
        await base.OnInitializedAsync();
        var hs = await MRUStorage.GetCurrentSessionOrNavigate();
        if (hs is null) return;
        RoomId = RoomId.Replace('~', '.');
        await LoadStatesAsync();
        Console.WriteLine("Policy list editor initialized!");
    }

    private async Task LoadStatesAsync() {
        var hs = await MRUStorage.GetCurrentSessionOrNavigate();
        if (hs is null) return;

        var room = await hs.GetRoom(RoomId);

        var states = room.GetFullStateAsync();
        await foreach (var state in states) {
            if (!state.Type.StartsWith("m.policy.rule")) continue;
            PolicyEvents.Add(state);
        }


        // var stateEventsQuery = await room.GetStateAsync("");
        // var stateEvents = stateEventsQuery.Value.Deserialize<List<StateEventResponse>>();
        // PolicyEvents = stateEvents.Where(x => x.Type.StartsWith("m.policy.rule"))
            // .Select(x => JsonSerializer.Deserialize<StateEventResponse>(JsonSerializer.Serialize(x))).ToList();
        StateHasChanged();
    }

    private async Task GetAvatar(string userId) {
        try {
            if (avatars.ContainsKey(userId)) return;
            var hs = userId.Split(':')[1];
            var server = servers.ContainsKey(hs) ? servers[hs] : new RemoteHomeServer(userId.Split(':')[1]);
            if (!servers.ContainsKey(hs)) servers.Add(hs, server);
            var profile = await server.GetProfile(userId);
            avatars.Add(userId, MediaResolver.ResolveMediaUri(server.FullHomeServerDomain, profile.AvatarUrl));
            servers.Add(userId, server);
            StateHasChanged();
        }
        catch {
    // ignored
        }
    }

    private async Task GetAllAvatars() {
        foreach (var policyEvent in PolicyEvents.Where(x => x.Type == "m.policy.rule.user" && (x.TypedContent as PolicyRuleStateEventData).Entity is not null)) {
            await GetAvatar((policyEvent.TypedContent as PolicyRuleStateEventData).Entity);
        }
        StateHasChanged();
    }

}