syntax = "proto3";

package crabs.smm_core;

import "google/api/annotations.proto";
import "protoc-gen-openapiv2/options/annotations.proto";

option go_package = "pkg/proto";

option (grpc.gateway.protoc_gen_openapiv2.options.openapiv2_swagger) = {};

service SmmCore {

    // ping
    rpc Ping(PingReq) returns (PingRsp) {
        option (google.api.http) = {
          get: "/ping"
        };
    }

    // login
    rpc Login(LoginReq) returns (User) {
      option (google.api.http) = {
        post: "/login",
        body: "*"
      };
    }

    // budgets
    rpc AddBudget(AddBudgetReq) returns (Budget) {
      option (google.api.http) = {
        post: "/budgets",
        body: "*"
      };
    }
    rpc UpdateBudget(UpdateBudgetReq) returns (Budget) {
      option (google.api.http) = {
        put: "/budgets/{id}",
        body: "*"
      };
    }
    rpc GetBudgets(GetBudgetsReq) returns (Budgets) {
      option (google.api.http) = {
        get: "/budgets"
      };
    }
    rpc DeleteBudget(DeleteBudgetReq) returns (Budget) {
      option (google.api.http) = {
        delete: "/budgets/{id}"
      };
    }

    // budget users
    rpc AddUserToBudget(AddUserToBudgetReq) returns (OK) {
      option (google.api.http) = {
        put: "/budgets/{budget_id}/users",
        body: "*"
      };
    }
    rpc GetBudgetUsers(GetBudgetUsersReq) returns (Users) {
      option (google.api.http) = {
        get: "/budgets/{id}/users"
      };
    }
    rpc RemoveUserFromBudget(RemoveUserFromBudgetReq) returns (Budget) {
      option (google.api.http) = {
        delete: "/budgets/{budget_id}/users/{user_id}"
      };
    }
    rpc GetBudgetCategories(GetBudgetCategoriesReq) returns (Categories) {
      option (google.api.http) = {
        get: "/budgets/{budget_id}/categories"
      };
    }

    // categories
    rpc AddCategory(AddCategoryReq) returns (Category) {
      option (google.api.http) = {
        post: "/categories",
        body: "*"
      };
    }
    rpc UpdateCategory(UpdateCategoryReq) returns (Category) {
      option (google.api.http) = {
        put: "/categories/{id}"
      };
    }
    rpc DeleteCategories(DeleteCategoriesReq) returns (Category) {
      option (google.api.http) = {
        delete: "/categories/{id}"
      };
    }

    // wastes
    rpc AddWaste(AddWasteReq) returns (Waste) {
      option (google.api.http) = {
        post: "/wastes",
        body: "*"
      };
    }
    rpc AddWasteByText(AddWasteTextReq) returns (Waste) {
      option (google.api.http) = {
        post: "/wastes/text",
        body: "*"
      };
    }
    rpc DeleteWaste(DeleteWasteReq) returns (Waste) {
      option (google.api.http) = {
        delete: "/wastes/{id}"
      };
    }

    // stat
    rpc GetCategoriesStat(GetCategoriesStatReq) returns (CategoriesStat) {
      option (google.api.http) = {
        get: "/stat"
      };
    }
}

message PingReq {}

message PingRsp {}

message OK {}

message AddUserReq {
  string username = 1;
  string password = 2;
}

message User {
  int32 id = 1;
  string username = 2;
}

message LoginReq {
  string username = 1;
  string password = 2;
}

message AddBudgetReq {
  string name = 1;
  int32 start_day = 2;
  int32 monthly_limit = 3;
}

message Budget {
  int32 id = 1;
  string name = 2;
  int32 start_day = 3;
  int32 monthly_limit = 4;
  repeated Category categories = 5;
}

message UpdateBudgetReq {
  int32 id = 1;
  string name = 2;
  int32 start_day = 3;
  int32 monthly_limit = 4;
}

message GetBudgetsReq {}

message Budgets {
  repeated Budget budgets = 1;
}

message DeleteBudgetReq {
  int32 id = 1;
}

message AddUserToBudgetReq {
  int32 user_id = 1;
  int32 budget_id = 2;
}

message GetBudgetUsersReq {
  int32 id = 1;
}

message Users {
  repeated User users = 1;
}

message RemoveUserFromBudgetReq {
  int32 user_id = 1;
  int32 budget_id = 2;
}

message GetBudgetCategoriesReq {
  int32 budget_id = 2;
}

message AddCategoryReq {
  string name = 1;
  int32 budget_id = 2;
  bool favorite = 3;
  int32 monthly_limit = 4;
}

message Category {
  int32 id = 1;
  string name = 2;
  int32 budget_id = 3;
  bool favorite = 4;
  int32 monthly_limit = 5;
}

message UpdateCategoryReq {
  int32 id = 1;
  string name = 2;
  bool favorite = 3;
  int32 monthly_limit = 4;
}

message Categories {
  repeated Category categories = 1;
}

message DeleteCategoriesReq {
  int32 id = 1;
}

message AddWasteReq {
  string name = 1;
  int32 price = 2;
  float amount = 3;
  int32 category_id = 4;
  int32 budget_id = 5;
}

message AddWasteTextReq {
  string text = 1;
  int32 category_id = 2;
  int32 budget_id = 3;
}

message Waste {
  int32 id = 1;
  string name = 2;
  int32 price = 3;
  float amount = 4;
}

message DeleteWasteReq {
  int32 id = 1;
}

message GetCategoriesStatReq {
  repeated int32 ids = 1;
}

message CategoriesStat {
  repeated CategoriesStat stat = 1;
}

message CategoryStat {
  string name = 1;
  int32 monthly_limit = 2;
  int32 amount = 3;
}