// Package openapi ...
//
// Description : openapi ...
//
// Author : go_developer@163.com<白茶清欢>
//
// Date : 2026-01-06 10:50
package openapi

import (
	"encoding/json"
	"fmt"
	"testing"
	"time"

	"github.com/getkin/kin-openapi/openapi3"
)

func TestParseStructField(t *testing.T) {
	type Category struct {
		ID   int64  `json:"id" description:"分类ID"`
		Name string `json:"name" description:"分类名称"`
	}
	type Product struct {
		ID         int64             `json:"id" description:"产品ID" example:"1001" required:"true"`
		Name       string            `json:"name" description:"产品名称" example:"iPhone 13" minLength:"2" maxLength:"100" required:"true"`
		Price      float64           `json:"price" description:"价格" example:"6999.99" min:"0"`
		Stock      int               `json:"stock" description:"库存" example:"100" min:"0"`
		Tags       []string          `json:"tags" description:"标签"`
		Attributes map[string]string `json:"attributes" description:"属性"`
		CreatedAt  time.Time         `json:"created_at" description:"创建时间"`
		UpdatedAt  *time.Time        `json:"updated_at,omitempty" description:"更新时间"`
		Category   *Category         `json:"category,omitempty" description:"分类"`
	}

	// 生成 Product 的 Schema
	productSchema := GenerateOpenAPISchema(Product{})

	// 创建完整的 OpenAPI 文档
	doc := &openapi3.T{
		OpenAPI: "3.0.0",
		Info: &openapi3.Info{
			Title:       "产品服务 API",
			Description: "产品管理相关接口",
			Version:     "1.0.0",
		},
		Components: &openapi3.Components{
			Schemas: map[string]*openapi3.SchemaRef{
				"Product":  productSchema,
				"Category": GenerateOpenAPISchema(Category{}),
			},
		},
	}

	// 输出 JSON
	data, _ := json.MarshalIndent(doc, "", "  ")
	fmt.Println(string(data))
}