package main

import (
	"fmt"
	"net/http"
)

// The logError() method is a generic helper for logging an error message.
func (app *application) logError(r *http.Request, err error) {
	app.logger.Info("dbasik error", "error", err)
}

// The errorResponse() method is a generic helper for sending JSON-formatted error
// messages to the client with a given status code. Because we are using any we
// we have flexibility over the values that we can include in the response.
func (app *application) errorResponse(w http.ResponseWriter, r *http.Request, status int, message any) {
	env := envelope{"error": message}

	// Write the response using the writeJSON() helper. If it returns
	// an error, log it and send the client an empty response with a
	// 500 Internal Server status code.
	if err := app.writeJSON(w, status, env, nil); err != nil {
		app.logError(r, err)
		w.WriteHeader(500)
	}
}

// The serverErrorResponse() method will be used when our application encounters an
// unexpected problem at runtime.
func (app *application) serverErrorResponse(w http.ResponseWriter, r *http.Request, err error) {
	app.logError(r, err)
	message := "the server encountered a problem and could not process your request"
	app.errorResponse(w, r, http.StatusInternalServerError, message)
}

// The notFoundResponse() method will be used to send a 404 status code and JSON response
// to the client.
func (app *application) notFoundResponse(w http.ResponseWriter, r *http.Request) {
	message := "the requested resource could not be found"
	app.errorResponse(w, r, http.StatusNotFound, message)
}

func (app *application) methodNotAllowed(w http.ResponseWriter, r *http.Request) {
	message := fmt.Sprintf("the %s method is not supported for this resource", r.Method)
	app.errorResponse(w, r, http.StatusMethodNotAllowed, message)
}