using System.Text.Json;
using Tiku.Domain.Commerce;
using Tiku.Domain.Tenancy;

namespace Tiku.Application.Commerce;

public sealed record CommerceAdminActor(Guid TenantId, Guid UserId);

public sealed record CommerceAdminQuery(string? Provider = null, string? Status = null, int? Limit = null);

public sealed record TenantPointQuery(string? Status = null, int? Limit = null, Guid? UserId = null, Guid? RegionId = null);

public sealed record UpsertPaymentAccountCommand(
    string Provider,
    TenantPaymentMode Mode,
    string? DisplayName,
    TenantPaymentAccountStatus Status,
    JsonElement ConfigPublic);

public sealed record TenantPaymentAccountItem(
    Guid Id,
    string Provider,
    string Mode,
    string? DisplayName,
    string Status,
    JsonElement ConfigPublic,
    DateTimeOffset CreatedAt,
    DateTimeOffset UpdatedAt);

public sealed record UpsertTenantSecretCommand(
    string Purpose,
    string Provider,
    string SecretKey,
    string SecretRef,
    TenantSecretStatus Status,
    JsonElement SecretPayload,
    DateTimeOffset? ExpiresAt);

public sealed record TenantSecretItem(
    Guid Id,
    string Purpose,
    string Provider,
    string SecretKey,
    string SecretRef,
    string Status,
    DateTimeOffset? RotatedAt,
    DateTimeOffset? ExpiresAt,
    DateTimeOffset UpdatedAt);

public sealed record AdminOrderList(IReadOnlyCollection<CommerceOrderItem> Items);

public sealed record AdminPaymentList(IReadOnlyCollection<CommercePaymentItem> Items);

public sealed record CreateCodeBatchCommand(
    string Name,
    int TotalCount,
    int Days,
    Guid? RegionId,
    string? SaleType,
    string? Channel,
    int? DefaultUnitPriceCents,
    int? CostPriceCents,
    string? Remark);

public sealed record CodeBatchItem(
    Guid Id,
    string Name,
    int TotalCount,
    int Days,
    Guid? RegionId,
    string? SaleType,
    string? Channel,
    int DefaultUnitPriceCents,
    int CostPriceCents,
    DateTimeOffset? IssuedAt,
    string? Remark,
    DateTimeOffset CreatedAt);

public sealed record ActivationCodeItem(
    Guid Id,
    Guid? BatchId,
    string Code,
    int Days,
    bool IsUsed,
    Guid? UsedBy,
    DateTimeOffset? UsedAt,
    string? SaleType,
    string? SoldTo,
    string? Remark,
    DateTimeOffset CreatedAt);

public sealed record ActivationCodeList(IReadOnlyCollection<ActivationCodeItem> Items);

public sealed record RedeemActivationCodeCommand(string Code, Guid UserId, Guid? RegionId);

public sealed record UpsertPointTaskCommand(
    Guid? Id,
    string TaskKey,
    string Title,
    string? Description,
    PointActivityTaskType TaskType,
    PointActivityTaskStatus Status,
    int Points,
    int MaxClaimsPerUser,
    DateTimeOffset? StartsAt,
    DateTimeOffset? EndsAt,
    int SortOrder,
    JsonElement Rules,
    JsonElement Metadata);

public sealed record UpsertPointExchangeItemCommand(
    Guid? Id,
    Guid? RegionId,
    string ItemKey,
    string Name,
    string? Description,
    PointExchangeItemType ItemType,
    PointExchangeItemStatus Status,
    int PointsCost,
    int? Stock,
    int? Days,
    int SortOrder,
    DateTimeOffset? StartsAt,
    DateTimeOffset? EndsAt,
    JsonElement FulfillmentPayload,
    JsonElement Metadata);

public sealed record UpdatePointExchangeOrderStatusCommand(Guid OrderId, PointExchangeOrderStatus Status);

public sealed record TenantPointTaskList(IReadOnlyCollection<PointActivityTask> Items);
public sealed record TenantPointClaimList(IReadOnlyCollection<PointActivityClaim> Items);
public sealed record TenantPointExchangeItemList(IReadOnlyCollection<PointExchangeItem> Items);
public sealed record TenantPointExchangeOrderList(IReadOnlyCollection<PointExchangeOrder> Items);

public sealed record UpsertCouponCommand(
    Guid? Id,
    string Code,
    Guid? PlanId,
    DiscountType DiscountType,
    decimal DiscountValue,
    DateTimeOffset? ValidFrom,
    DateTimeOffset? ValidTo,
    int? MaxUses,
    string? Source,
    string? Remark);

public sealed record TenantCouponList(IReadOnlyCollection<Coupon> Items);
public sealed record TenantCouponRedemptionList(IReadOnlyCollection<CouponRedemption> Items);
public sealed record TenantCouponReport(int CouponCount, int ClaimedCount, int UsedCount, int DiscountAppliedCents);

public interface ICommerceAdminService
{
    Task<IReadOnlyCollection<TenantPaymentAccountItem>> GetPaymentAccountsAsync(
        CommerceAdminActor actor,
        CommerceAdminQuery query,
        CancellationToken cancellationToken = default);

    Task<TenantPaymentAccountItem> UpsertPaymentAccountAsync(
        CommerceAdminActor actor,
        UpsertPaymentAccountCommand command,
        CancellationToken cancellationToken = default);

    Task<TenantSecretItem> UpsertTenantSecretAsync(
        CommerceAdminActor actor,
        UpsertTenantSecretCommand command,
        CancellationToken cancellationToken = default);

    Task<AdminOrderList> GetOrdersAsync(
        CommerceAdminActor actor,
        CommerceAdminQuery query,
        CancellationToken cancellationToken = default);

    Task<AdminPaymentList> GetPaymentsAsync(
        CommerceAdminActor actor,
        CommerceAdminQuery query,
        CancellationToken cancellationToken = default);

    Task<CodeBatchItem> CreateCodeBatchAsync(
        CommerceAdminActor actor,
        CreateCodeBatchCommand command,
        CancellationToken cancellationToken = default);

    Task<ActivationCodeList> GetActivationCodesAsync(
        CommerceAdminActor actor,
        CommerceAdminQuery query,
        CancellationToken cancellationToken = default);

    Task<ActivationCodeItem> RedeemActivationCodeAsync(
        CommerceAdminActor actor,
        RedeemActivationCodeCommand command,
        CancellationToken cancellationToken = default);

    Task<TenantPointTaskList> GetPointTasksAsync(
        CommerceAdminActor actor,
        TenantPointQuery query,
        CancellationToken cancellationToken = default);

    Task<PointActivityTask> UpsertPointTaskAsync(
        CommerceAdminActor actor,
        UpsertPointTaskCommand command,
        CancellationToken cancellationToken = default);

    Task<TenantPointClaimList> GetPointClaimsAsync(
        CommerceAdminActor actor,
        TenantPointQuery query,
        CancellationToken cancellationToken = default);

    Task<TenantPointExchangeItemList> GetPointExchangeItemsAsync(
        CommerceAdminActor actor,
        TenantPointQuery query,
        CancellationToken cancellationToken = default);

    Task<PointExchangeItem> UpsertPointExchangeItemAsync(
        CommerceAdminActor actor,
        UpsertPointExchangeItemCommand command,
        CancellationToken cancellationToken = default);

    Task<TenantPointExchangeOrderList> GetPointExchangeOrdersAsync(
        CommerceAdminActor actor,
        TenantPointQuery query,
        CancellationToken cancellationToken = default);

    Task<PointExchangeOrder> UpdatePointExchangeOrderStatusAsync(
        CommerceAdminActor actor,
        UpdatePointExchangeOrderStatusCommand command,
        CancellationToken cancellationToken = default);

    Task<TenantCouponList> GetCouponsAsync(
        CommerceAdminActor actor,
        CommerceAdminQuery query,
        CancellationToken cancellationToken = default);

    Task<Coupon> UpsertCouponAsync(
        CommerceAdminActor actor,
        UpsertCouponCommand command,
        CancellationToken cancellationToken = default);

    Task<TenantCouponRedemptionList> GetCouponRedemptionsAsync(
        CommerceAdminActor actor,
        CommerceAdminQuery query,
        CancellationToken cancellationToken = default);

    Task<TenantCouponReport> GetCouponReportAsync(
        CommerceAdminActor actor,
        CommerceAdminQuery query,
        CancellationToken cancellationToken = default);
}