namespace Distribution.Features.Region;

// Code is optional: blank/null auto-generates the next REG-#### code; otherwise stored as entered (trimmed).
public record CreateRegionRequest(string Name, string? Code = null);

public record NextRegionCodeResponse(string Code);

// Code is auto-generated on create; on update it is optional (null/blank keeps the current code).
public record UpdateRegionRequest(string Name, string? Code = null);

public record RegionResponse(Guid Id, string Code, string Name, bool IsActive, DateTime CreatedAt);

public record RegionalTargetResponse(Guid RegionId, string Period, decimal TargetValue);

public record RegionalBudgetResponse(Guid RegionId, string Period, decimal BudgetAmount);

public record RegionAgencyMapResponse(Guid RegionId, Guid AgencyUserId);

public record RegionalTaxRuleResponse(Guid RegionId, string RuleConfig);

// Consolidated "beyond CRUD" management endpoint — replaces the separate
// SetTarget/SetBudget/MapAgency/SetTaxRule endpoints. Every field is optional; only the
// sub-actions whose fields are supplied get applied. Target/Budget both need Period.
public record ManageRegionRequest(
    string? Period,
    decimal? TargetValue,
    decimal? BudgetAmount,
    Guid? AgencyUserId,
    string? RuleConfig);

public record ManageRegionResponse(
    Guid RegionId,
    RegionalTargetResponse? Target,
    RegionalBudgetResponse? Budget,
    RegionAgencyMapResponse? AgencyMap,
    RegionalTaxRuleResponse? TaxRule);

public record RegionHierarchyRouteItem(Guid RouteId, string RouteName, List<Guid> StoreIds);

public record RegionHierarchyResponse(Guid RegionId, string RegionName, List<RegionHierarchyRouteItem> Routes);

public record RegionDashboardResponse(
    Guid RegionId,
    string Period,
    decimal? TargetValue,
    decimal? BudgetAmount,
    int OrderCount,
    decimal ActualSales,
    DateTime? LastOrderDate,
    string? TaxRuleConfig,
    List<Guid> AgencyUserIds);

// Flat, CRUD-list-friendly view over the four "manage" sub-resources (RegionalTarget,
// RegionalBudget, RegionalTaxRule, RegionAgencyMap), so the frontend can render one table like
// any other resource list (e.g. Rides) instead of one row per region with derived columns.
public enum RegionManageEntryType { Target, Budget, TaxRule, AgencyMap }

public record RegionManageEntryResponse(
    Guid Id,
    Guid RegionId,
    string RegionName,
    RegionManageEntryType EntryType,
    string? Period,
    decimal? Amount,
    string? RuleConfig,
    Guid? AgencyUserId,
    DateTime CreatedAt);