import "github.com/swaggo/gin-swagger" // gin-swagger middleware
import "github.com/swaggo/files" // swagger embed files

// @title           Swagger Example API
// @version         1.0
// @description     This is a sample server celler server.
// @termsOfService  http://swagger.io/terms/

// @contact.name   API Support
// @contact.url    http://www.swagger.io/support
// @contact.email  [email protected]

// @license.name  Apache 2.0
// @license.url   http://www.apache.org/licenses/LICENSE-2.0.html

// @host      localhost:8080
// @BasePath  /api/v1

// @securityDefinitions.basic  BasicAuth

// @externalDocs.description  OpenAPI
// @externalDocs.url          https://swagger.io/resources/open-api/
func main() {
	r := gin.Default()

	c := controller.NewController()

	v1 := r.Group("/api/v1")
	{
		accounts := v1.Group("/accounts")
		{
			accounts.GET(":id", c.ShowAccount)
			accounts.GET("", c.ListAccounts)
			accounts.POST("", c.AddAccount)
			accounts.DELETE(":id", c.DeleteAccount)
			accounts.PATCH(":id", c.UpdateAccount)
			accounts.POST(":id/images", c.UploadAccountImage)
		}
    //...
	}
	r.GET("/swagger/*any", ginSwagger.WrapHandler(swaggerFiles.Handler))
	r.Run(":8080")
}
//...

package main

import (
	"github.com/gin-gonic/gin"
	"github.com/swaggo/files"
	"github.com/swaggo/gin-swagger"

	"./docs" // docs is generated by Swag CLI, you have to import it.
)

// @contact.name   API Support
// @contact.url    http://www.swagger.io/support
// @contact.email  [email protected]

// @license.name  Apache 2.0
// @license.url   http://www.apache.org/licenses/LICENSE-2.0.html
func main() {

	// programmatically set swagger info
	docs.SwaggerInfo.Title = "Swagger Example API"
	docs.SwaggerInfo.Description = "This is a sample server Petstore server."
	docs.SwaggerInfo.Version = "1.0"
	docs.SwaggerInfo.Host = "petstore.swagger.io"
	docs.SwaggerInfo.BasePath = "/v2"
	docs.SwaggerInfo.Schemes = []string{"http", "https"}

	r := gin.New()

	// use ginSwagger middleware to serve the API docs
	r.GET("/swagger/*any", ginSwagger.WrapHandler(swaggerFiles.Handler))

	r.Run()
}

package controller

import (
    "fmt"
    "net/http"
    "strconv"

    "github.com/gin-gonic/gin"
    "github.com/swaggo/swag/example/celler/httputil"
    "github.com/swaggo/swag/example/celler/model"
)

// ShowAccount godoc
// @Summary      Show an account
// @Description  get string by ID
// @Tags         accounts
// @Accept       json
// @Produce      json
// @Param        id   path      int  true  "Account ID"
// @Success      200  {object}  model.Account
// @Failure      400  {object}  httputil.HTTPError
// @Failure      404  {object}  httputil.HTTPError
// @Failure      500  {object}  httputil.HTTPError
// @Router       /accounts/{id} [get]
func (c *Controller) ShowAccount(ctx *gin.Context) {
  id := ctx.Param("id")
  aid, err := strconv.Atoi(id)
  if err != nil {
    httputil.NewError(ctx, http.StatusBadRequest, err)
    return
  }
  account, err := model.AccountOne(aid)
  if err != nil {
    httputil.NewError(ctx, http.StatusNotFound, err)
    return
  }
  ctx.JSON(http.StatusOK, account)
}

// ListAccounts godoc
// @Summary      List accounts
// @Description  get accounts
// @Tags         accounts
// @Accept       json
// @Produce      json
// @Param        q    query     string  false  "name search by q"  Format(email)
// @Success      200  {array}   model.Account
// @Failure      400  {object}  httputil.HTTPError
// @Failure      404  {object}  httputil.HTTPError
// @Failure      500  {object}  httputil.HTTPError
// @Router       /accounts [get]
func (c *Controller) ListAccounts(ctx *gin.Context) {
  q := ctx.Request.URL.Query().Get("q")
  accounts, err := model.AccountsAll(q)
  if err != nil {
    httputil.NewError(ctx, http.StatusNotFound, err)
    return
  }
  ctx.JSON(http.StatusOK, accounts)
}
//...

// ListAccounts lists all existing accounts
//
//  @Summary      List accounts
//  @Description  get accounts
//  @Tags         accounts
//  @Accept       json
//  @Produce      json
//  @Param        q    query     string  false  "name search by q"  Format(email)
//  @Success      200  {array}   model.Account
//  @Failure      400  {object}  httputil.HTTPError
//  @Failure      404  {object}  httputil.HTTPError
//  @Failure      500  {object}  httputil.HTTPError
//  @Router       /accounts [get]
func (c *Controller) ListAccounts(ctx *gin.Context) {

// @Param   enumstring  query     string     false  "string enums"       Enums(A, B, C)
// @Param   enumint     query     int        false  "int enums"          Enums(1, 2, 3)
// @Param   enumnumber  query     number     false  "int enums"          Enums(1.1, 1.2, 1.3)
// @Param   string      query     string     false  "string valid"       minlength(5)  maxlength(10)
// @Param   int         query     int        false  "int valid"          minimum(1)    maximum(10)
// @Param   default     query     string     false  "string default"     default(A)
// @Param   example     query     string     false  "string example"     example(string)
// @Param   collection  query     []string   false  "string collection"  collectionFormat(multi)
// @Param   extensions  query     []string   false  "string collection"  extensions(x-example=test,x-nullable)

type Foo struct {
    Bar string `minLength:"4" maxLength:"16" example:"random string"`
    Baz int `minimum:"10" maximum:"20" default:"15"`
    Qux []string `enums:"foo,bar,baz"`
}

// @description This is the first line
// @description This is the second line
// @description And so forth.

// @Success 200 {array} model.Account <-- This is a user defined struct.

package model

type Account struct {
    ID   int    `json:"id" example:"1"`
    Name string `json:"name" example:"account name"`
}

package main

// @Param request body main.MyHandler.request true "query params"
// @Success 200 {object} main.MyHandler.response
// @Router /test [post]
func MyHandler() {
	type request struct {
		RequestField string
	}

	type response struct {
		ResponseField string
	}
}

// JSONResult's data field will be overridden by the specific type proto.Order
@success 200 {object} jsonresult.JSONResult{data=proto.Order} "desc"

type JSONResult struct {
    Code    int          `json:"code" `
    Message string       `json:"message"`
    Data    interface{}  `json:"data"`
}

type Order struct { //in `proto` package
    Id  uint            `json:"id"`
    Data  interface{}   `json:"data"`
}

@success 200 {object} jsonresult.JSONResult{data=[]proto.Order} "desc"
@success 200 {object} jsonresult.JSONResult{data=string} "desc"
@success 200 {object} jsonresult.JSONResult{data=[]string} "desc"

@success 200 {object} jsonresult.JSONResult{data1=string,data2=[]string,data3=proto.Order,data4=[]proto.Order} "desc"

type DeepObject struct { //in `proto` package
	...
}
@success 200 {object} jsonresult.JSONResult{data1=proto.Order{data=proto.DeepObject},data2=[]proto.Order{data=[]proto.DeepObject}} "desc"

// @Success      200              {string}  string    "ok"
// @failure      400              {string}  string    "error"
// @response     default          {string}  string    "other error"
// @Header       200              {string}  Location  "/entity/1"
// @Header       200,400,default  {string}  Token     "token"
// @Header       all              {string}  Token2    "token2"

/// ...
// @Param group_id   path int true "Group ID"
// @Param account_id path int true "Account ID"
// ...
// @Router /examples/groups/{group_id}/accounts/{account_id} [get]

/// ...
// @Param group_id path int true "Group ID"
// @Param user_id  path int true "User ID"
// ...
// @Router /examples/groups/{group_id}/user/{user_id}/address [put]
// @Router /examples/user/{user_id}/address [put]

type Account struct {
    ID   int    `json:"id" example:"1"`
    Name string `json:"name" example:"account name"`
    PhotoUrls []string `json:"photo_urls" example:"http://test/image/1.jpg,http://test/image/2.jpg"`
}

// @Param email body string true "message/rfc822" SchemaExample(Subject: Testmail\r\n\r\nBody Message\r\n)

// Account model info
// @Description User account information
// @Description with user id and username
type Account struct {
	// ID this is userid
	ID   int    `json:"id"`
	Name string `json:"name"` // This is Name
}

type TimestampTime struct {
    time.Time
}

///implement encoding.JSON.Marshaler interface
func (t *TimestampTime) MarshalJSON() ([]byte, error) {
    bin := make([]byte, 16)
    bin = strconv.AppendInt(bin[:0], t.Time.Unix(), 10)
    return bin, nil
}

func (t *TimestampTime) UnmarshalJSON(bin []byte) error {
    v, err := strconv.ParseInt(string(bin), 10, 64)
    if err != nil {
        return err
    }
    t.Time = time.Unix(v, 0)
    return nil
}
///

type Account struct {
    // Override primitive type by simply specifying it via `swaggertype` tag
    ID     sql.NullInt64 `json:"id" swaggertype:"integer"`

    // Override struct type to a primitive type 'integer' by specifying it via `swaggertype` tag
    RegisterTime TimestampTime `json:"register_time" swaggertype:"primitive,integer"`

    // Array types can be overridden using "array,<prim_type>" format
    Coeffs []big.Float `json:"coeffs" swaggertype:"array,number"`
}

type CerticateKeyPair struct {
	Crt []byte `json:"crt" swaggertype:"string" format:"base64" example:"U3dhZ2dlciByb2Nrcw=="`
	Key []byte `json:"key" swaggertype:"string" format:"base64" example:"U3dhZ2dlciByb2Nrcw=="`
}

"api.MyBinding": {
  "type":"object",
  "properties":{
    "crt":{
      "type":"string",
      "format":"base64",
      "example":"U3dhZ2dlciByb2Nrcw=="
    },
    "key":{
      "type":"string",
      "format":"base64",
      "example":"U3dhZ2dlciByb2Nrcw=="
    }
  }
}

type MyStruct struct {
  ID     sql.NullInt64 `json:"id"`
  Name   sql.NullString `json:"name"`
}

"types.MyStruct": {
  "id": "integer"
}

type Account struct {
    ID   string    `json:"id"`
    Name string     `json:"name"`
    Ignored int     `swaggerignore:"true"`
}

type Account struct {
    ID   string    `json:"id"   extensions:"x-nullable,x-abc=def,!x-omitempty"` // extensions fields must start with "x-"
}

"Account": {
    "type": "object",
    "properties": {
        "id": {
            "type": "string",
            "x-nullable": true,
            "x-abc": "def",
            "x-omitempty": false
        }
    }
}

type Resp struct {
	Code int
}//@name Response

// @securityDefinitions.basic BasicAuth

// @securitydefinitions.oauth2.application OAuth2Application
// @tokenUrl https://example.com/oauth/token
// @scope.write Grants write access
// @scope.admin Grants read and write access to administrative information

// @Security ApiKeyAuth

// @Security ApiKeyAuth
// @Security OAuth2Application[write, admin]

// @Security ApiKeyAuth || firebase
// @Security OAuth2Application[write, admin] || APIKeyAuth

type Example struct {
	// Sort order:
	// * asc - Ascending, from A to Z.
	// * desc - Descending, from Z to A.
	Order string `enums:"asc,desc"`
}