using System.ComponentModel.DataAnnotations;
using System.Text.Json;
using Tiku.Application.TenantAdmin;
using Tiku.Domain.Common;

namespace Tiku.Api.Contracts;

public sealed class TenantAdminClassQueryDto
{
    public Guid? RegionId { get; set; }
    public string? Status { get; set; }
    public string? Keyword { get; set; }

    [Range(1, 500)]
    public int? Limit { get; set; }

    public TenantAdminClassFilter ToFilter()
    {
        return new TenantAdminClassFilter(RegionId, Status, Keyword, Limit);
    }
}

public sealed class TenantAdminClassMemberQueryDto
{
    [Required]
    public Guid ClassId { get; set; }

    public string? MemberType { get; set; }
    public string? Status { get; set; }

    [Range(1, 500)]
    public int? Limit { get; set; }

    public TenantAdminClassMemberFilter ToFilter()
    {
        return new TenantAdminClassMemberFilter(ClassId, MemberType, Status, Limit);
    }
}

public sealed class TenantAdminStudentQueryDto
{
    public Guid? RegionId { get; set; }
    public Guid? ClassId { get; set; }
    public string? Status { get; set; }
    public string? Keyword { get; set; }

    [Range(1, 500)]
    public int? Limit { get; set; }

    public TenantAdminStudentFilter ToFilter()
    {
        return new TenantAdminStudentFilter(RegionId, ClassId, Status, Keyword, Limit);
    }
}

public sealed class TenantAdminStudentActivityQueryDto
{
    public Guid? StudentUserId { get; set; }
    public string? Status { get; set; }

    [Range(1, 500)]
    public int? Limit { get; set; }

    public TenantAdminStudentActivityFilter ToFilter()
    {
        return new TenantAdminStudentActivityFilter(StudentUserId, Status, Limit);
    }
}

public sealed class UpsertTenantAdminClassDto
{
    public Guid? Id { get; set; }
    public Guid? RegionId { get; set; }
    public string? LegacyId { get; set; }
    public string? Code { get; set; }
    public required string Name { get; set; }
    public string? Description { get; set; }
    public string? Status { get; set; }
    public int? Order { get; set; }
    public JsonElement Metadata { get; set; } = JsonDefaults.Object();

    public UpsertTenantAdminClassCommand ToCommand()
    {
        return new UpsertTenantAdminClassCommand(Id, RegionId, LegacyId, Code, Name, Description, Status, Order, Metadata);
    }
}

public sealed class TenantAdminUserLookupDto
{
    public Guid? UserId { get; set; }
    public string? Username { get; set; }
    public string? Email { get; set; }
    public string? Phone { get; set; }
    public string? Name { get; set; }
    public string? AvatarUrl { get; set; }

    public UserLookupCommand ToCommand()
    {
        return new UserLookupCommand(UserId, Username, Email, Phone, Name, AvatarUrl);
    }
}

public sealed class UpsertTenantAdminClassMemberDto
{
    [Required]
    public Guid ClassId { get; set; }

    public TenantAdminUserLookupDto User { get; set; } = new();
    public string? MemberType { get; set; }
    public string? Status { get; set; }
    public JsonElement Metadata { get; set; } = JsonDefaults.Object();

    public UpsertTenantAdminClassMemberCommand ToCommand()
    {
        return new UpsertTenantAdminClassMemberCommand(ClassId, User.ToCommand(), MemberType, Status, Metadata);
    }
}

public sealed class RemoveTenantAdminClassMemberDto
{
    [Required]
    public Guid ClassMemberId { get; set; }
}

public sealed class UpsertTenantAdminStudentDto
{
    public TenantAdminUserLookupDto User { get; set; } = new();
    public Guid? RegionId { get; set; }
    public Guid? SelectedSchoolId { get; set; }
    public Guid? SelectedMajorId { get; set; }
    public string? AvatarPreset { get; set; }
    public JsonElement Stats { get; set; } = JsonDefaults.Object();
    public JsonElement Progress { get; set; } = JsonDefaults.Object();
    public JsonElement ModuleSelections { get; set; } = JsonDefaults.Object();
    public JsonElement RawProfile { get; set; } = JsonDefaults.Object();

    public UpsertTenantAdminStudentCommand ToCommand()
    {
        return new UpsertTenantAdminStudentCommand(
            User.ToCommand(),
            RegionId,
            SelectedSchoolId,
            SelectedMajorId,
            AvatarPreset,
            Stats,
            Progress,
            ModuleSelections,
            RawProfile);
    }
}

public sealed class UpdateTenantAdminStudentStatusDto
{
    [Required]
    public Guid UserId { get; set; }

    public string? Status { get; set; }
    public string? Reason { get; set; }

    public UpdateTenantAdminStudentStatusCommand ToCommand()
    {
        return new UpdateTenantAdminStudentStatusCommand(UserId, Status, Reason);
    }
}

public sealed class UpsertTenantAdminStudentNoteDto
{
    public Guid? Id { get; set; }

    [Required]
    public Guid StudentUserId { get; set; }

    public string? NoteType { get; set; }
    public required string Content { get; set; }
    public string? Visibility { get; set; }
    public bool? IsPinned { get; set; }
    public JsonElement Metadata { get; set; } = JsonDefaults.Object();

    public UpsertTenantAdminStudentNoteCommand ToCommand()
    {
        return new UpsertTenantAdminStudentNoteCommand(Id, StudentUserId, NoteType, Content, Visibility, IsPinned, Metadata);
    }
}

public sealed class UpsertTenantAdminStudentFollowupDto
{
    public Guid? Id { get; set; }

    [Required]
    public Guid StudentUserId { get; set; }

    public Guid? AssignedToUserId { get; set; }
    public Guid? ClassId { get; set; }
    public required string Title { get; set; }
    public string? Description { get; set; }
    public string? FollowupType { get; set; }
    public string? Priority { get; set; }
    public string? Status { get; set; }
    public DateTimeOffset? DueAt { get; set; }
    public JsonElement Metadata { get; set; } = JsonDefaults.Object();

    public UpsertTenantAdminStudentFollowupCommand ToCommand()
    {
        return new UpsertTenantAdminStudentFollowupCommand(
            Id,
            StudentUserId,
            AssignedToUserId,
            ClassId,
            Title,
            Description,
            FollowupType,
            Priority,
            Status,
            DueAt,
            Metadata);
    }
}