syntax = "proto3";

package commission;

import "public_messages.proto";
import "google/protobuf/empty.proto";
import "google/protobuf/wrappers.proto";
import "google/protobuf/timestamp.proto";

option csharp_namespace = "BackOffice.BFF.Commission.Protobuf";

service CommissionContract
{
    // Commands
    rpc CalculateWeeklyBalances(CalculateWeeklyBalancesRequest) returns (google.protobuf.Empty);
    rpc CalculateWeeklyCommissionPool(CalculateWeeklyCommissionPoolRequest) returns (google.protobuf.Empty);
    rpc ProcessUserPayouts(ProcessUserPayoutsRequest) returns (google.protobuf.Empty);
    rpc RequestWithdrawal(RequestWithdrawalRequest) returns (google.protobuf.Empty);
    rpc ProcessWithdrawal(ProcessWithdrawalRequest) returns (ProcessWithdrawalResponse);
    rpc ApproveWithdrawal(ApproveWithdrawalRequest) returns (ApproveWithdrawalResponse);
    rpc RejectWithdrawal(RejectWithdrawalRequest) returns (RejectWithdrawalResponse);
    
    // Queries
    rpc GetWeeklyCommissionPool(GetWeeklyCommissionPoolRequest) returns (GetWeeklyCommissionPoolResponse);
    rpc GetUserCommissionPayouts(GetUserCommissionPayoutsRequest) returns (GetUserCommissionPayoutsResponse);
    rpc GetCommissionPayoutHistory(GetCommissionPayoutHistoryRequest) returns (GetCommissionPayoutHistoryResponse);
    rpc GetUserWeeklyBalances(GetUserWeeklyBalancesRequest) returns (GetUserWeeklyBalancesResponse);
    rpc GetAllWeeklyPools(GetAllWeeklyPoolsRequest) returns (GetAllWeeklyPoolsResponse);
    rpc GetWithdrawalRequests(GetWithdrawalRequestsRequest) returns (GetWithdrawalRequestsResponse);
}

// ============ Commands ============

// CalculateWeeklyBalances Command
message CalculateWeeklyBalancesRequest
{
    string week_number = 1; // Format: "YYYY-Www" (e.g., "2025-W01")
    bool force_recalculate = 2;
}

// CalculateWeeklyCommissionPool Command
message CalculateWeeklyCommissionPoolRequest
{
    string week_number = 1;
}

// ProcessUserPayouts Command
message ProcessUserPayoutsRequest
{
    string week_number = 1;
    bool force_reprocess = 2;
}

// RequestWithdrawal Command
message RequestWithdrawalRequest
{
    int64 payout_id = 1;
    int32 withdrawal_method = 2; // WithdrawalMethod enum: Cash=0, Diamond=1
    google.protobuf.StringValue iban_number = 3; // Required for Cash method
}

// ProcessWithdrawal Command
message ProcessWithdrawalRequest
{
    int64 withdrawal_id = 1;
    string transaction_id = 2;
    string admin_note = 3;
}

message ProcessWithdrawalResponse
{
    bool success = 1;
    string message = 2;
}

// ApproveWithdrawal Command
message ApproveWithdrawalRequest
{
    int64 withdrawal_id = 1;
    string admin_note = 2;
}

message ApproveWithdrawalResponse
{
    bool success = 1;
    string message = 2;
}

// RejectWithdrawal Command
message RejectWithdrawalRequest
{
    int64 withdrawal_id = 1;
    string reject_reason = 2;
}

message RejectWithdrawalResponse
{
    bool success = 1;
    string message = 2;
}

// ============ Queries ============

// GetWeeklyCommissionPool Query
message GetWeeklyCommissionPoolRequest
{
    string week_number = 1;
}

message GetWeeklyCommissionPoolResponse
{
    int64 id = 1;
    string week_number = 2;
    int64 total_pool_amount = 3; // Rials
    int32 total_balances = 4;
    int64 value_per_balance = 5; // Rials per balance
    bool is_calculated = 6;
    google.protobuf.Timestamp calculated_at = 7;
    google.protobuf.Timestamp created = 8;
}

// GetUserCommissionPayouts Query
message GetUserCommissionPayoutsRequest
{
    google.protobuf.Int64Value user_id = 1;
    google.protobuf.Int32Value status = 2; // CommissionPayoutStatus enum
    google.protobuf.StringValue week_number = 3;
    int32 page_index = 4;
    int32 page_size = 5;
}

message GetUserCommissionPayoutsResponse
{
    messages.MetaData meta_data = 1;
    repeated UserCommissionPayoutModel models = 2;
}

message UserCommissionPayoutModel
{
    int64 id = 1;
    int64 user_id = 2;
    string user_name = 3;
    string week_number = 4;
    int32 balances_earned = 5;
    int64 value_per_balance = 6;
    int64 total_amount = 7;
    int32 status = 8; // CommissionPayoutStatus enum
    google.protobuf.Int32Value withdrawal_method = 9;
    string iban_number = 10;
    google.protobuf.Timestamp created = 11;
    google.protobuf.Timestamp last_modified = 12;
}

// GetCommissionPayoutHistory Query
message GetCommissionPayoutHistoryRequest
{
    google.protobuf.Int64Value payout_id = 1;
    google.protobuf.Int64Value user_id = 2;
    google.protobuf.StringValue week_number = 3;
    int32 page_index = 4;
    int32 page_size = 5;
}

message GetCommissionPayoutHistoryResponse
{
    messages.MetaData meta_data = 1;
    repeated CommissionPayoutHistoryModel models = 2;
}

message CommissionPayoutHistoryModel
{
    int64 id = 1;
    int64 payout_id = 2;
    int64 user_id = 3;
    string week_number = 4;
    int64 amount_before = 5;
    int64 amount_after = 6;
    int32 old_status = 7; // CommissionPayoutStatus enum
    int32 new_status = 8;
    int32 action = 9; // CommissionPayoutAction enum
    string performed_by = 10;
    string reason = 11;
    google.protobuf.Timestamp created = 12;
}

// GetUserWeeklyBalances Query
message GetUserWeeklyBalancesRequest
{
    google.protobuf.Int64Value user_id = 1;
    google.protobuf.StringValue week_number = 2;
    bool only_active = 3; // Only non-expired balances
    int32 page_index = 4;
    int32 page_size = 5;
}

message GetUserWeeklyBalancesResponse
{
    messages.MetaData meta_data = 1;
    repeated UserWeeklyBalanceModel models = 2;
}

message UserWeeklyBalanceModel
{
    int64 id = 1;
    int64 user_id = 2;
    string week_number = 3;
    int32 left_leg_balances = 4;
    int32 right_leg_balances = 5;
    int32 total_balances = 6;
    int64 weekly_pool_contribution = 7;
    google.protobuf.Timestamp calculated_at = 8;
    bool is_expired = 9;
    google.protobuf.Timestamp created = 10;
}

// GetWithdrawalRequests Query
message GetWithdrawalRequestsRequest
{
    int32 page_index = 1;
    int32 page_size = 2;
    google.protobuf.Int32Value status = 3; // 0=Pending, 1=Approved, 2=Rejected, 3=Processed
    google.protobuf.Int64Value user_id = 4;
}

message GetWithdrawalRequestsResponse
{
    messages.MetaData meta_data = 1;
    repeated WithdrawalRequestModel models = 2;
}

message WithdrawalRequestModel
{
    int64 id = 1;
    int64 user_id = 2;
    string user_name = 3;
    string phone_number = 4;
    int64 amount = 5;
    int32 status = 6; // 0=Pending, 1=Approved, 2=Rejected, 3=Processed
    string method = 7; // Bank, Crypto, Cash
    string bank_account = 8;
    string bank_name = 9;
    google.protobuf.Timestamp requested_at = 10;
    google.protobuf.Timestamp processed_at = 11;
    string admin_note = 12;
}

// GetAllWeeklyPools Query
message GetAllWeeklyPoolsRequest
{
    google.protobuf.StringValue from_week = 1;
    google.protobuf.StringValue to_week = 2;
    google.protobuf.BoolValue only_calculated = 3;
    int32 page_index = 4;
    int32 page_size = 5;
}

message GetAllWeeklyPoolsResponse
{
    messages.MetaData meta_data = 1;
    repeated WeeklyCommissionPoolModel models = 2;
}

message WeeklyCommissionPoolModel
{
    int64 id = 1;
    string week_number = 2;
    int64 total_pool_amount = 3;
    int32 total_balances = 4;
    int64 value_per_balance = 5;
    bool is_calculated = 6;
    google.protobuf.Timestamp calculated_at = 7;
    google.protobuf.Timestamp created = 8;
}