syntax = "proto3";

package inventory;

option go_package = "./pb";

// ==================== Product ====================

message ProductInfo {
  string product_id = 1;
  string product_name = 2;
  string image_url = 3;
  string spec = 4;
  string color = 5;
  string sales_price = 6;
  string remark = 7;
  int64 status = 8;
  string created_at = 9;
  string updated_at = 10;
  string color_no = 11;
  string product_code = 12;
}

message CreateProductReq {
  string product_name = 1;
  string image_url = 2;
  string spec = 3;
  string color = 4;
  string sales_price = 5;
  string remark = 6;
  repeated PanInput pans = 7;
  string color_no = 8;
  ProductBatchInput initial_batch = 9;
  string product_code = 10;
}

message UpdateProductReq {
  string product_id = 1;
  string product_name = 2;
  string image_url = 3;
  string spec = 4;
  string color = 5;
  string sales_price = 6;
  string remark = 7;
  string color_no = 8;
}

message DeleteProductReq {
  string product_id = 1;
}

message GetProductReq {
  string product_id = 1;
}

message ListProductReq {
  int64 page = 1;
  int64 page_size = 2;
  string product_name = 3;
  string spec = 4;
  string color = 5;
  int64 status = 6;
  string color_no = 7;
  string product_code = 8;
}

message ListProductResp {
  int64 total = 1;
  repeated ProductInfo list = 2;
}

// ==================== Pan (盘) ====================

message PanInfo {
  string pan_id = 1;
  string product_id = 2;
  string name = 3;
  string position = 4;
  int64 sort_order = 5;
  repeated BoltInfo bolts = 6;
  int64 bolt_count = 7;
  string total_length = 8;
  string batch_id = 9;
  string batch_no = 10;
}

message PanInput {
  string name = 1;
  string position = 2;
  repeated string bolt_lengths = 3;
  string batch_id = 4;
}

message ListPanReq {
  string product_id = 1;
}

message ListPanResp {
  repeated PanInfo list = 1;
}

message SavePansReq {
  string product_id = 1;
  repeated PanInput pans = 2;
}

// ==================== Bolt (匹) ====================

message BoltInfo {
  string bolt_id = 1;
  string pan_id = 2;
  string length_m = 3;
  int64 sort_order = 4;
}

message ListBoltReq {
  string pan_id = 1;
}

message ListBoltResp {
  repeated BoltInfo list = 1;
}

message SaveBoltsReq {
  string pan_id = 1;
  repeated string lengths = 2;
}

// ==================== Product Tree (三层详情) ====================

message ProductTreeResp {
  ProductInfo product = 1;
  repeated PanInfo pans = 2;
  int64 total_pan_count = 3;
  int64 total_bolt_count = 4;
  string total_length_m = 5;
}

// ==================== Panel 1: Product Summary ====================

message ProductSummaryItem {
  string product_name = 1;
  string spec = 2;
  int64 color_count = 3;
  int64 total_pan_count = 4;
  int64 total_bolt_count = 5;
  string total_length_m = 6;
  string colors = 7;
  string locations = 8;
}

message ListProductSummaryReq {}

message ListProductSummaryResp {
  repeated ProductSummaryItem list = 1;
}

// ==================== Panel 2: Color Detail ====================

message ColorDetailItem {
  string product_id = 1;
  string product_name = 2;
  string color = 3;
  string spec = 4;
  string image_url = 5;
  int64 pan_count = 6;
  int64 bolt_count = 7;
  string total_length_m = 8;
  string locations = 9;
  string sales_price = 10;
  string color_no = 11;
  string product_code = 12;
  int64 batch_count = 13;
}

message ListColorDetailReq {
  string product_name = 1;
}

message ListColorDetailResp {
  repeated ColorDetailItem list = 1;
}

// ==================== Pan / Bolt List View ====================

message PanListItem {
  string pan_id = 1;
  string product_id = 2;
  string name = 3;
  string position = 4;
  string product_name = 5;
  string colors = 6;     // aggregated from bolt.color, no spec
  int64 bolt_count = 7;
  string total_length_m = 8;
  string batch_id = 9;
  string batch_no = 10;
}

message ListPanViewReq {
  int64 page = 1;
  int64 page_size = 2;
  string product_name = 3;
  string position = 4;
}

message ListPanViewResp {
  int64 total = 1;
  repeated PanListItem list = 2;
}

message BoltListItem {
  string bolt_id = 1;
  string pan_id = 2;
  string length_m = 3;
  string color = 4;      // bolt's own color, no spec
  int64 sort_order = 5;
  string pan_name = 6;
  string position = 7;
  string product_id = 8;
  string product_name = 9;
}

message ListBoltViewReq {
  int64 page = 1;
  int64 page_size = 2;
  string product_name = 3;
  string position = 4;
}

message ListBoltViewResp {
  int64 total = 1;
  repeated BoltListItem list = 2;
}

// ==================== Stock Import ====================

message ImportProductReq {
  repeated CreateProductReq products = 1;
  string file_name = 2;
  string operator = 3;
}

message ImportProductResp {
  int64 total_count = 1;
  int64 success_count = 2;
  int64 fail_count = 3;
  string error_msg = 4;
  string import_id = 5;
}

message ListImportLogReq {
  int64 page = 1;
  int64 page_size = 2;
}

message ListImportLogResp {
  int64 total = 1;
  repeated ImportLogInfo list = 2;
}

// ==================== Yarn ====================

message YarnInfo {
  string yarn_id = 1;
  string yarn_name = 2;
  string color = 3;
  string weight_g_m = 4;
  string supplier_id = 5;
  string supplier_name = 6;
  string dye_factory = 7;
  string image_url = 8;
  string remark = 9;
  int64 status = 10;
  string created_at = 11;
  string updated_at = 12;
}

message CreateYarnReq {
  string yarn_name = 1;
  string color = 2;
  string weight_g_m = 3;
  string supplier_id = 4;
  string dye_factory = 5;
  string image_url = 6;
  string remark = 7;
}

message UpdateYarnReq {
  string yarn_id = 1;
  string yarn_name = 2;
  string color = 3;
  string weight_g_m = 4;
  string supplier_id = 5;
  string dye_factory = 6;
  string image_url = 7;
  string remark = 8;
  int64 status = 9;
}

message DeleteYarnReq {
  string yarn_id = 1;
}

message GetYarnReq {
  string yarn_id = 1;
}

message ListYarnReq {
  int64 page = 1;
  int64 page_size = 2;
  string yarn_name = 3;
  string supplier_id = 4;
  int64 status = 5;
}

message ListYarnResp {
  int64 total = 1;
  repeated YarnInfo list = 2;
}

// ==================== Product Batch ====================

message ProductBatchInput {
  string yarn_ratio = 1;
  string warp_weight_g_m = 2;
  string weft_weight_g_m = 3;
  string production_process = 4;
  string remark = 5;
  string batch_no = 6;
}

message ProductBatchInfo {
  string batch_id = 1;
  string product_id = 2;
  string batch_no = 3;
  string yarn_ratio = 4;
  string warp_weight_g_m = 5;
  string weft_weight_g_m = 6;
  string production_process = 7;
  string remark = 8;
  int64 status = 9;
  string created_at = 10;
  string updated_at = 11;
}

message CreateProductBatchReq {
  string product_id = 1;
  ProductBatchInput batch = 2;
}

message UpdateProductBatchReq {
  string product_id = 1;
  string batch_id = 2;
  ProductBatchInput batch = 3;
  int64 status = 4;
}

message DeleteProductBatchReq {
  string product_id = 1;
  string batch_id = 2;
}

message ListProductBatchReq {
  string product_id = 1;
}

message ListProductBatchResp {
  repeated ProductBatchInfo list = 1;
}

message ImportLogInfo {
  string import_id = 1;
  string file_name = 2;
  int64 total_count = 3;
  int64 success_count = 4;
  int64 fail_count = 5;
  string error_msg = 6;
  string operator = 7;
  string created_at = 8;
}

// ==================== Stock Statistics ====================

message StockSummaryReq {}

message StockSummaryResp {
  int64 product_count = 1;
  int64 total_pieces = 2;
  int64 total_pans = 3;
  string total_length_m = 4;
  string total_sales_value = 5;
}

message StockGroupReq {
  string group_by = 1;
}

message StockGroupItem {
  string name = 1;
  int64 count = 2;
  string quantity = 3;
}

message StockGroupResp {
  repeated StockGroupItem list = 1;
}

// ==================== Stock Check ====================

message StockCheckInfo {
  string check_id = 1;
  string check_no = 2;
  string check_date = 3;
  string checker = 4;
  int64 status = 5;
  string remark = 6;
  string created_at = 7;
  string updated_at = 8;
  repeated StockCheckDetailInfo details = 9;
}

message StockCheckDetailInfo {
  string detail_id = 1;
  string check_id = 2;
  string product_id = 3;
  string product_name = 4;
  string system_quantity = 5;
  string actual_quantity = 6;
  string diff_quantity = 7;
  string diff_amount = 8;
  string remark = 9;
}

message CreateStockCheckReq {
  string check_date = 1;
  string checker = 2;
  string remark = 3;
  repeated StockCheckDetailReq details = 4;
}

message StockCheckDetailReq {
  string product_id = 1;
  string actual_quantity = 2;
  string remark = 3;
}

message UpdateStockCheckReq {
  string check_id = 1;
  string remark = 2;
  repeated StockCheckDetailReq details = 3;
}

message ConfirmStockCheckReq {
  string check_id = 1;
  string operator = 2;
}

message GetStockCheckReq {
  string check_id = 1;
}

message ListStockCheckReq {
  int64 page = 1;
  int64 page_size = 2;
  string check_no = 3;
  int64 status = 4;
  string start_date = 5;
  string end_date = 6;
}

message ListStockCheckResp {
  int64 total = 1;
  repeated StockCheckInfo list = 2;
}

// ==================== Stock Adjust ====================

message StockAdjustInfo {
  string adjust_id = 1;
  string adjust_no = 2;
  string adjust_date = 3;
  string adjust_reason = 4;
  string operator = 5;
  string approver = 6;
  int64 status = 7;
  string remark = 8;
  string created_at = 9;
  string updated_at = 10;
  repeated StockAdjustDetailInfo details = 11;
}

message StockAdjustDetailInfo {
  string detail_id = 1;
  string adjust_id = 2;
  string product_id = 3;
  string product_name = 4;
  string before_quantity = 5;
  string adjust_quantity = 6;
  string after_quantity = 7;
  string remark = 8;
}

message CreateStockAdjustReq {
  string adjust_date = 1;
  string adjust_reason = 2;
  string operator = 3;
  string remark = 4;
  repeated StockAdjustDetailReq details = 5;
}

message StockAdjustDetailReq {
  string product_id = 1;
  string adjust_quantity = 2;
  string remark = 3;
}

message ApproveStockAdjustReq {
  string adjust_id = 1;
  string approver = 2;
  int64 action = 3;
}

message GetStockAdjustReq {
  string adjust_id = 1;
}

message ListStockAdjustReq {
  int64 page = 1;
  int64 page_size = 2;
  string adjust_no = 3;
  string adjust_reason = 4;
  int64 status = 5;
  string start_date = 6;
  string end_date = 7;
}

message ListStockAdjustResp {
  int64 total = 1;
  repeated StockAdjustInfo list = 2;
}

// ==================== Common ====================

message IdResp {
  string id = 1;
}

message Empty {}

// ==================== Service ====================

service InventoryService {
  // Product CRUD
  rpc CreateProduct(CreateProductReq) returns (IdResp);
  rpc UpdateProduct(UpdateProductReq) returns (Empty);
  rpc DeleteProduct(DeleteProductReq) returns (Empty);
  rpc GetProduct(GetProductReq) returns (ProductInfo);
  rpc ListProduct(ListProductReq) returns (ListProductResp);

  // Product Tree (panel 3)
  rpc GetProductTree(GetProductReq) returns (ProductTreeResp);

  // Product Summary (panel 1)
  rpc ListProductSummary(ListProductSummaryReq) returns (ListProductSummaryResp);

  // Color Detail (panel 2)
  rpc ListColorDetail(ListColorDetailReq) returns (ListColorDetailResp);

  // Yarn CRUD
  rpc CreateYarn(CreateYarnReq) returns (IdResp);
  rpc UpdateYarn(UpdateYarnReq) returns (Empty);
  rpc DeleteYarn(DeleteYarnReq) returns (Empty);
  rpc GetYarn(GetYarnReq) returns (YarnInfo);
  rpc ListYarn(ListYarnReq) returns (ListYarnResp);

  // Product Batch CRUD
  rpc CreateProductBatch(CreateProductBatchReq) returns (IdResp);
  rpc UpdateProductBatch(UpdateProductBatchReq) returns (Empty);
  rpc DeleteProductBatch(DeleteProductBatchReq) returns (Empty);
  rpc ListProductBatch(ListProductBatchReq) returns (ListProductBatchResp);

  // Pan / Bolt list views (dimension panels)
  rpc ListPanView(ListPanViewReq) returns (ListPanViewResp);
  rpc ListBoltView(ListBoltViewReq) returns (ListBoltViewResp);

  // Pan CRUD
  rpc ListPans(ListPanReq) returns (ListPanResp);
  rpc SavePans(SavePansReq) returns (Empty);

  // Bolt CRUD
  rpc ListBolts(ListBoltReq) returns (ListBoltResp);
  rpc SaveBolts(SaveBoltsReq) returns (Empty);

  // Import
  rpc ImportProducts(ImportProductReq) returns (ImportProductResp);
  rpc ListImportLog(ListImportLogReq) returns (ListImportLogResp);

  // Stock Statistics
  rpc GetStockSummary(StockSummaryReq) returns (StockSummaryResp);
  rpc GetStockGroup(StockGroupReq) returns (StockGroupResp);

  // Stock Check
  rpc CreateStockCheck(CreateStockCheckReq) returns (IdResp);
  rpc UpdateStockCheck(UpdateStockCheckReq) returns (Empty);
  rpc ConfirmStockCheck(ConfirmStockCheckReq) returns (Empty);
  rpc GetStockCheck(GetStockCheckReq) returns (StockCheckInfo);
  rpc ListStockCheck(ListStockCheckReq) returns (ListStockCheckResp);

  // Stock Adjust
  rpc CreateStockAdjust(CreateStockAdjustReq) returns (IdResp);
  rpc ApproveStockAdjust(ApproveStockAdjustReq) returns (Empty);
  rpc GetStockAdjust(GetStockAdjustReq) returns (StockAdjustInfo);
  rpc ListStockAdjust(ListStockAdjustReq) returns (ListStockAdjustResp);
}