package main

import (
    "database/sql"
    "net/http"

    "fmt"
    "log"
    "time"

    "github.com/shopspring/decimal"
    "github.com/go-chi/chi/v5"
    "github.com/go-chi/chi/v5/middleware"
)

// "json:"json_code_name,omitempty"" (omit empty)
// if you use `json:"-"` it doesn't encode it
type Transaction struct {
    Id          int             `db:"trns_id"          json:"Id"`
    Amount      decimal.Decimal `db:"trns_amount"      json:"Amount"`
    Description sql.NullString  `db:"trns_description" json:"Description"`
    Account     int             `db:"trns_account"     json:"Account"`
    Bucket      sql.NullInt64   `db:"trns_bucket"      json:"Bucket"`
    Date        time.Time       `db:"trns_date"        json:"TransactionDate"`
}

func hello(w http.ResponseWriter, req *http.Request) {
    fmt.Fprintf(w, "hello\n")
}

func headers(w http.ResponseWriter, req *http.Request) {
    for name, headers := range req.Header {
        for _, h := range headers {
            fmt.Fprintf(w, "%v: %v\n", name, h)
        }
    }
}

func main() {
    log.SetPrefix("RecountServer: ")
    log.SetFlags(0)

    /*
    jsonExample := `{
        "Id": 3,
        "Amount": "100",
        "Description": {
            "String": "Transaction 3",
            "Valid": true
        },
        "Account": 1,
        "Bucket": {
            "Int64": 1,
            "Valid": true
        },
        "TransactionDate": "2023-11-11T00:00:00Z"
    }`

    var trns Transaction = Transaction{}
    err = json.Unmarshal([]byte(jsonExample), &trns)

    if err != nil {
        log.Println(err)
    } else {
        log.Println(trns.Amount)
    }
    */
    r := chi.NewRouter()

    // A good base middleware stack
    r.Use(middleware.RequestID)
    r.Use(middleware.RealIP)
    r.Use(middleware.Recoverer)
    r.Use(middleware.Logger)

    // Set a timeout value on the request context (ctx), that will signal
    // through ctx.Done() that the request has timed out and further
    // processing should be stopped.
    //r.Use(middleware.Timeout(60 * time.Second))

    r.Get("/", hello)
    r.Get("/headers", headers)
    r.Mount("/api", apiRouter())

    err := http.ListenAndServe(":8090", r)
    if err != nil {
        log.Fatal(err)
    }

    //fmt.Println("Hello World")
}