package main

import (
    "fmt"
    "github.com/gin-gonic/gin"
    "gopkg.in/mgo.v2"
)

type (
    obj map[string]interface{}
    arr []interface{}
)
type user struct {
    Username string   `form:"login"    json:"login"    bson:"login"    binding:"required,min=3,max=40"`
    Name     string   `form:"fullname" json:"fullname" bson:"name"     binding:"required"`
    Age      int      `form:"age"      json:"age"      bson:"age"      binding:"min=18"`
    Password string   `form:"pass"     json:"pass"     bson:"password" binding:"min=8"`
    Tags     []string `form:"tags"     json:"tags"     bson:"tags"     binding:"required,max=10"`
    Active   bool     `form:"active"   json:"active"   bson:"active"`
}

func main() {
    gin.SetMode(gin.ReleaseMode)
    router := gin.New()
    session, err := mgo.Dial(":27017")
    if err != nil {
        panic(err)
    }

    router.GET("/api/:key/add-user", func(c *gin.Context) {
        fmt.Println("Income query")

        if c.Param("key") != "LKHBCu6e" {
            c.JSON(400, obj{"msg": "Wrong API key"})
            return
        }

        var u user
        if err := c.Bind(&u); err != nil {
            c.JSON(400, obj{"msg": "Wrong data format", "err": err.Error()})
            return
        }

        if err := session.DB("mydb").C("users").Insert(u); err != nil {
            c.JSON(400, obj{"msg": "DB error"})
            return
        }

        c.JSON(200, obj{"msg": "User added"})
    })
    fmt.Println("Server started at http://localhost:3111")
    router.Run(":3111")
}