package routes

import (
    "time"
    "encoding/json"
    "net/http"

    "reichard.io/imagini/internal/auth"
    "reichard.io/imagini/internal/models"
    // log "github.com/sirupsen/logrus"
)

func (ctx *ImaginiContext) loginHandler(w http.ResponseWriter, r *http.Request) {
    if r.Method != http.MethodPost {
        JSONError(w, "Method is not supported.", http.StatusMethodNotAllowed)
        return
    }

    // Decode into Struct
    var creds models.APICredentials
    err := json.NewDecoder(r.Body).Decode(&creds)
    if err != nil {
        JSONError(w, "Invalid parameters.", http.StatusBadRequest)
        return
    }

    // Validate
    if creds.User == "" || creds.Password == "" {
        JSONError(w, "Invalid parameters.", http.StatusBadRequest)
        return
    }

    // TODO: Is user already logged in? If so refresh token, if different user, kill session and log in new user?

    // Do login
    resp := auth.AuthenticateUser(ctx.DB, creds)
    if resp == true {
        // Return Success
        cookie := http.Cookie{
            Name:   "Token",
            Value:  "testToken",
        }
        http.SetCookie(w, &cookie)
        JSONSuccess(w, "Login success.", http.StatusOK)
    }else {
        // Return Failure
        JSONError(w, "Invalid credentials.", http.StatusUnauthorized)
    }
}

func (ctx *ImaginiContext) logoutHandler(w http.ResponseWriter, r *http.Request) {
    if r.Method != http.MethodPost {
        http.Error(w, "Method is not supported.", http.StatusMethodNotAllowed)
        return
    }

    // Do logout

    // TODO: Clear Session Server Side

    // Tell Client to Expire Token
    cookie := &http.Cookie{
        Name:       "Token",
        Value:      "",
        Path:       "/",
        Expires:    time.Unix(0, 0),
        HttpOnly:   true,
    }
    http.SetCookie(w, cookie)
}