From 9693b90772cec20ca723c7bbc720e89add68c6de Mon Sep 17 00:00:00 2001
From: Jackson Tian <shyvo1987@gmail.com>
Date: Tue, 26 Dec 2023 15:53:09 +0800
Subject: [PATCH] lib: add description for api

---
 newmeta/meta.go      | 52 +++++++++++++++++++++++++++++++++++++++-----
 newmeta/meta_test.go | 12 ++++++++++
 openapi/library.go   | 24 +++++++++++++++-----
 3 files changed, 76 insertions(+), 12 deletions(-)

diff --git a/newmeta/meta.go b/newmeta/meta.go
index df4069f67..251fb1cbe 100644
--- a/newmeta/meta.go
+++ b/newmeta/meta.go
@@ -41,12 +41,36 @@ type Product struct {
 }
 
 type Endpoint struct {
-	RegionId     string `json:"regionId"`
-	Name         string `json:"regionName"`
-	Version      string `json:"areaId"`
-	EndpointType string `json:"areaName"`
-	Public       string `json:"public"`
-	VPC          string `json:"vpc"`
+	RegionId string `json:"regionId"`
+	Name     string `json:"regionName"`
+	AreaId   string `json:"areaId"`
+	AreaName string `json:"areaName"`
+	Public   string `json:"public"`
+	VPC      string `json:"vpc"`
+}
+
+// {
+// 	"version": "2017-09-12",
+// 	"style": "rpc",
+// 	"apis": {
+// 	  "ActiveFlowLog": {
+// 		"title": "ActiveFlowLog",
+// 		"summary": "Enables a flow log. After the flow log is enabled, the system collects traffic information about a specified resource.",
+// 		"deprecated": false
+// 	  }
+// 	}
+// }
+
+type Version struct {
+	Version string         `json:"version"`
+	Style   string         `json:"style"`
+	APIs    map[string]API `json:"apis"`
+}
+
+type API struct {
+	Title      string `json:"title"`
+	Summary    string `json:"summary"`
+	Deprecated bool   `json:"deprecated"`
 }
 
 func GetProductName(language, code string) (name string, err error) {
@@ -68,6 +92,22 @@ func GetProductName(language, code string) (name string, err error) {
 	return
 }
 
+func GetAPI(language, code, name string) (api *API, err error) {
+	content, err := GetMetadata(language, "/"+strings.ToLower(code)+"/version.json")
+	if err != nil {
+		return
+	}
+
+	version := new(Version)
+	err = json.Unmarshal(content, &version)
+
+	if found, ok := version.APIs[name]; ok {
+		api = &found
+	}
+
+	return
+}
+
 func GetMetadataPrefix(language string) string {
 	if language == "en" {
 		return "en-US"
diff --git a/newmeta/meta_test.go b/newmeta/meta_test.go
index 035a2be44..13f134335 100644
--- a/newmeta/meta_test.go
+++ b/newmeta/meta_test.go
@@ -17,3 +17,15 @@ func TestGetMetadata(t *testing.T) {
 	assert.Nil(t, err)
 	assert.Greater(t, len(content), 100)
 }
+
+func TestGetAPI(t *testing.T) {
+	api, err := GetAPI("en", "ecs", "DescribeRegions")
+	assert.Nil(t, err)
+	assert.Equal(t, "DescribeRegions", api.Title)
+	assert.Equal(t, "Queries available Alibaba Cloud regions.", api.Summary)
+	assert.Equal(t, false, api.Deprecated)
+
+	api2, err := GetAPI("en", "ecs", "Invalid")
+	assert.Nil(t, err)
+	assert.Nil(t, api2)
+}
diff --git a/openapi/library.go b/openapi/library.go
index 349c3b1d2..4624323e9 100644
--- a/openapi/library.go
+++ b/openapi/library.go
@@ -79,13 +79,13 @@ func (a *Library) PrintProductUsage(productCode string, withApi bool) error {
 	}
 
 	if product.ApiStyle == "rpc" {
-		cli.Printf(a.writer, "\nUsage:\n  aliyun %s <ApiName> --parameter1 value1 --parameter2 value2 ...\n", product.Code)
+		cli.Printf(a.writer, "\nUsage:\n  aliyun %s <ApiName> --parameter1 value1 --parameter2 value2 ...\n", strings.ToLower(product.Code))
 	} else {
-		cli.Printf(a.writer, "\nUsage 1:\n  aliyun %s [GET|PUT|POST|DELETE] <PathPattern> --body \"...\" \n", product.Code)
-		cli.Printf(a.writer, "\nUsage 2 (For API with NO PARAMS in PathPattern only.):\n  aliyun %s <ApiName> --parameter1 value1 --parameter2 value2 ... --body \"...\"\n", product.Code)
+		cli.Printf(a.writer, "\nUsage 1:\n  aliyun %s [GET|PUT|POST|DELETE] <PathPattern> --body \"...\" \n", strings.ToLower(product.Code))
+		cli.Printf(a.writer, "\nUsage 2 (For API with NO PARAMS in PathPattern only.):\n  aliyun %s <ApiName> --parameter1 value1 --parameter2 value2 ... --body \"...\"\n", strings.ToLower(product.Code))
 	}
-
-	cli.Printf(a.writer, "\nProduct: %s (%s)\n", product.Code, product.Name[i18n.GetLanguage()])
+	productName, _ := newmeta.GetProductName(i18n.GetLanguage(), product.Code)
+	cli.Printf(a.writer, "\nProduct: %s (%s)\n", product.Code, productName)
 	cli.Printf(a.writer, "Version: %s \n", product.Version)
 
 	if withApi {
@@ -104,7 +104,19 @@ func (a *Library) PrintProductUsage(productCode string, withApi bool) error {
 				ptn := fmt.Sprintf("  %%-%ds : %%s %%s\n", maxNameLen+1)
 				cli.PrintfWithColor(a.writer, cli.Green, ptn, apiName, api.Method, api.PathPattern)
 			} else {
-				cli.PrintfWithColor(a.writer, cli.Green, "  %s\n", apiName)
+				api, _ := newmeta.GetAPI(i18n.GetLanguage(), productCode, apiName)
+				if api != nil {
+					// use new api metadata
+					if api.Deprecated {
+						fmt := fmt.Sprintf("  %%-%ds [Deprecated]%%s\n", maxNameLen+1)
+						cli.PrintfWithColor(a.writer, cli.Green, fmt, apiName, api.Summary)
+					} else {
+						fmt := fmt.Sprintf("  %%-%ds %%s\n", maxNameLen+1)
+						cli.PrintfWithColor(a.writer, cli.Green, fmt, apiName, api.Summary)
+					}
+				} else {
+					cli.PrintfWithColor(a.writer, cli.Green, "  %s\n", apiName)
+				}
 			}
 		}
 	}