// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
// See the LICENCE file in the repository root for full licence text.

using osu.Framework.Allocation;
using osu.Framework.Bindables;
using osu.Framework.Extensions;
using osu.Framework.Extensions.Color4Extensions;
using osu.Framework.Extensions.LocalisationExtensions;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
using osu.Framework.Graphics.Shapes;
using osu.Framework.Localisation;
using osu.Game.Graphics;
using osu.Game.Graphics.Sprites;
using osu.Game.Graphics.Cursor;
using osu.Game.Graphics.UserInterface;
using osu.Game.Online.API;
using osu.Game.Overlays.Profile.Header.Components;
using osu.Game.Resources.Localisation.Web;
using osu.Game.Users.Drawables;
using osuTK;

namespace osu.Game.Overlays.Profile.Header
{
    public partial class TopHeaderContainer : CompositeDrawable
    {
        private const float avatar_size = 110;

        public readonly Bindable<UserProfileData?> User = new Bindable<UserProfileData?>();

        [Resolved]
        private IAPIProvider api { get; set; } = null!;

        private SupporterIcon supporterTag = null!;
        private UpdateableAvatar avatar = null!;
        private OsuSpriteText usernameText = null!;
        private ExternalLinkButton openUserExternally = null!;
        private OsuSpriteText titleText = null!;
        private UpdateableFlag userFlag = null!;
        private OsuSpriteText userCountryText = null!;
        private FillFlowContainer userStats = null!;
        private GroupBadgeFlow groupBadgeFlow = null!;

        [BackgroundDependencyLoader]
        private void load(OverlayColourProvider colourProvider)
        {
            Height = 150;

            InternalChildren = new Drawable[]
            {
                new Box
                {
                    RelativeSizeAxes = Axes.Both,
                    Colour = colourProvider.Background4,
                },
                new FillFlowContainer
                {
                    Direction = FillDirection.Horizontal,
                    Margin = new MarginPadding { Left = UserProfileOverlay.CONTENT_X_MARGIN },
                    Height = avatar_size,
                    AutoSizeAxes = Axes.X,
                    Anchor = Anchor.CentreLeft,
                    Origin = Anchor.CentreLeft,
                    Children = new Drawable[]
                    {
                        avatar = new UpdateableAvatar(isInteractive: false, showGuestOnNull: false)
                        {
                            Size = new Vector2(avatar_size),
                            Masking = true,
                            CornerRadius = avatar_size * 0.25f,
                        },
                        new OsuContextMenuContainer
                        {
                            RelativeSizeAxes = Axes.Y,
                            AutoSizeAxes = Axes.X,
                            Child = new Container
                            {
                                RelativeSizeAxes = Axes.Y,
                                AutoSizeAxes = Axes.X,
                                Padding = new MarginPadding { Left = 10 },
                                Children = new Drawable[]
                                {
                                    new FillFlowContainer
                                    {
                                        AutoSizeAxes = Axes.Both,
                                        Direction = FillDirection.Vertical,
                                        Children = new Drawable[]
                                        {
                                            new FillFlowContainer
                                            {
                                                AutoSizeAxes = Axes.Both,
                                                Direction = FillDirection.Horizontal,
                                                Spacing = new Vector2(5),
                                                Children = new Drawable[]
                                                {
                                                    usernameText = new OsuSpriteText
                                                    {
                                                        Font = OsuFont.GetFont(size: 24, weight: FontWeight.Regular)
                                                    },
                                                    openUserExternally = new ExternalLinkButton
                                                    {
                                                        Anchor = Anchor.CentreLeft,
                                                        Origin = Anchor.CentreLeft,
                                                    },
                                                    groupBadgeFlow = new GroupBadgeFlow
                                                    {
                                                        Anchor = Anchor.CentreLeft,
                                                        Origin = Anchor.CentreLeft,
                                                    }
                                                }
                                            },
                                            titleText = new OsuSpriteText
                                            {
                                                Font = OsuFont.GetFont(size: 18, weight: FontWeight.Regular)
                                            },
                                        }
                                    },
                                    new FillFlowContainer
                                    {
                                        Origin = Anchor.BottomLeft,
                                        Anchor = Anchor.BottomLeft,
                                        Direction = FillDirection.Vertical,
                                        AutoSizeAxes = Axes.Both,
                                        Children = new Drawable[]
                                        {
                                            supporterTag = new SupporterIcon
                                            {
                                                Height = 20,
                                                Margin = new MarginPadding { Top = 5 }
                                            },
                                            new Box
                                            {
                                                RelativeSizeAxes = Axes.X,
                                                Height = 1.5f,
                                                Margin = new MarginPadding { Top = 10 },
                                                Colour = colourProvider.Light1,
                                            },
                                            new FillFlowContainer
                                            {
                                                AutoSizeAxes = Axes.Both,
                                                Margin = new MarginPadding { Top = 5 },
                                                Direction = FillDirection.Horizontal,
                                                Children = new Drawable[]
                                                {
                                                    userFlag = new UpdateableFlag
                                                    {
                                                        Size = new Vector2(28, 20),
                                                        ShowPlaceholderOnUnknown = false,
                                                    },
                                                    userCountryText = new OsuSpriteText
                                                    {
                                                        Font = OsuFont.GetFont(size: 17.5f, weight: FontWeight.Regular),
                                                        Margin = new MarginPadding { Left = 10 },
                                                        Origin = Anchor.CentreLeft,
                                                        Anchor = Anchor.CentreLeft,
                                                        Colour = colourProvider.Light1,
                                                    }
                                                }
                                            },
                                        }
                                    }
                                }
                            }
                        }
                    }
                },
                userStats = new FillFlowContainer
                {
                    Anchor = Anchor.TopRight,
                    Origin = Anchor.TopRight,
                    AutoSizeAxes = Axes.Y,
                    Width = 300,
                    Margin = new MarginPadding { Right = UserProfileOverlay.CONTENT_X_MARGIN },
                    Padding = new MarginPadding { Vertical = 15 },
                    Spacing = new Vector2(0, 2)
                }
            };

            User.BindValueChanged(user => updateUser(user.NewValue));
        }

        private void updateUser(UserProfileData? data)
        {
            var user = data?.User;

            avatar.User = user;
            usernameText.Text = user?.Username ?? string.Empty;
            openUserExternally.Link = $@"{api.WebsiteRootUrl}/users/{user?.Id ?? 0}";
            userFlag.CountryCode = user?.CountryCode ?? default;
            userCountryText.Text = (user?.CountryCode ?? default).GetDescription();
            supporterTag.SupportLevel = user?.SupportLevel ?? 0;
            titleText.Text = user?.Title ?? string.Empty;
            titleText.Colour = Color4Extensions.FromHex(user?.Colour ?? "fff");
            groupBadgeFlow.User.Value = user;

            userStats.Clear();

            if (user?.Statistics != null)
            {
                userStats.Add(new UserStatsLine(UsersStrings.ShowStatsRankedScore, user.Statistics.RankedScore.ToLocalisableString("#,##0")));
                userStats.Add(new UserStatsLine(UsersStrings.ShowStatsHitAccuracy, user.Statistics.DisplayAccuracy));
                userStats.Add(new UserStatsLine(UsersStrings.ShowStatsPlayCount, user.Statistics.PlayCount.ToLocalisableString("#,##0")));
                userStats.Add(new UserStatsLine(UsersStrings.ShowStatsTotalScore, user.Statistics.TotalScore.ToLocalisableString("#,##0")));
                userStats.Add(new UserStatsLine(UsersStrings.ShowStatsTotalHits, user.Statistics.TotalHits.ToLocalisableString("#,##0")));
                userStats.Add(new UserStatsLine(UsersStrings.ShowStatsMaximumCombo, user.Statistics.MaxCombo.ToLocalisableString("#,##0")));
                userStats.Add(new UserStatsLine(UsersStrings.ShowStatsReplaysWatchedByOthers, user.Statistics.ReplaysWatched.ToLocalisableString("#,##0")));
            }
        }

        private partial class UserStatsLine : Container
        {
            public UserStatsLine(LocalisableString left, LocalisableString right)
            {
                RelativeSizeAxes = Axes.X;
                AutoSizeAxes = Axes.Y;
                Children = new Drawable[]
                {
                    new OsuSpriteText
                    {
                        Font = OsuFont.GetFont(size: 15),
                        Text = left,
                    },
                    new OsuSpriteText
                    {
                        Anchor = Anchor.TopRight,
                        Origin = Anchor.TopRight,
                        Font = OsuFont.GetFont(size: 15, weight: FontWeight.Bold),
                        Text = right,
                    },
                };
            }
        }
    }
}