import "github.com/lazada/swgen"

package main

import (
    "fmt"

    "github.com/lazada/swgen"
)

// PetsRequest defines all params for /pets request
type PetsRequest struct {
    Tags  []string `schema:"tags" in:"query" required:"-" description:"tags to filter by"`
    Limit int32    `schema:"limit" in:"query" required:"-" description:"maximum number of results to return"`
}

// Pet contains information of a pet
type Pet struct {
    ID   int64  `json:"id"`
    Name string `json:"name"`
    Tag  string `json:"tag"`
}

func main() {
	gen := swgen.NewGenerator()
	gen.SetHost("petstore.swagger.io").SetBasePath("/api")
	gen.SetInfo("Swagger Petstore (Simple)", "A sample API that uses a petstore as an example to demonstrate features in the swagger-2.0 specification", "http://helloreverb.com/terms/", "2.0")
	gen.SetLicense("MIT", "http://opensource.org/licenses/MIT")
	gen.SetContact("Swagger API team", "http://swagger.io", "[email protected]")
	gen.AddSecurityDefinition("BasicAuth", swgen.SecurityDef{Type: swgen.SecurityBasicAuth})

	pathInf := swgen.PathItemInfo{
		Path:        "/pets",
		Method:      "GET",
		Title:       "findPets",
		Description: "Returns all pets from the system that the user has access to",
		Tag:         "v1",
		Deprecated:  false,
		Security:    []string{"BasicAuth"},
	}
	pathInf.AddExtendedField("x-example", "example")

	gen.SetPathItem(
		pathInf,
		PetsRequest{}, // request object
		nil,           // body data if any
		[]Pet{},       // response object
	)

	// extended field
	gen.AddExtendedField("x-uppercase-version", true)

	docData, _ := gen.GenDocument()
	fmt.Println(string(docData))

	// output:
	// {"swagger":"2.0","info":{"title":"Swagger Petstore (Simple)","description":"A sample API that uses a petstore as an example to demonstrate features in the swagger-2.0 specification","termsOfService":"http://helloreverb.com/terms/","contact":{"name":"Swagger API team","url":"http://swagger.io","email":"[email protected]"},"license":{"name":"MIT","url":"http://opensource.org/licenses/MIT"},"version":"2.0"},"host":"petstore.swagger.io","basePath":"/api","schemes":["http","https"],"paths":{"/pets":{"get":{"tags":["v1"],"summary":"findPets","description":"Returns all pets from the system that the user has access to","parameters":[{"name":"tags","in":"query","type":"array","items":{"type":"string"},"collectionFormat":"multi","description":"tags to filter by"},{"name":"limit","in":"query","type":"integer","format":"int32","description":"maximum number of results to return"}],"responses":{"200":{"description":"request success","schema":{"type":"array","items":{"$ref":"#/definitions/Pet"}}}},"security":{"BasicAuth":[]},"x-example":"example"}}},"definitions":{"Pet":{"type":"object","properties":{"id":{"type":"integer","format":"int64"},"name":{"type":"string"},"tag":{"type":"string"}}}},"securityDefinitions":{"BasicAuth":{"type":"basic"}},"x-uppercase-version":true}
}