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// GoToSocial
// Copyright (C) GoToSocial Authors admin@gotosocial.org
// SPDX-License-Identifier: AGPL-3.0-or-later
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package log

import (
	"log"

	"codeberg.org/gruf/go-byteutil"
	"codeberg.org/gruf/go-kv/v2"
)

// NewStdLogger returns a new standard library
// log.Logger instance that will write output
// to this library's logging functions at 'lvl'.
func NewStdLogger(lvl LEVEL) *log.Logger {
	return log.New(stdLogWriter{lvl: lvl}, "", 0)
}

type stdLogWriter struct{ lvl LEVEL }

func (w stdLogWriter) Write(b []byte) (int, error) {
	if w.lvl <= loglvl {
		logf(nil, w.lvl, kv.Fields{
			{K: "caller", V: Caller(5)},
			{K: "msg", V: byteutil.B2S(b)},
		}, "")
	}
	return len(b), nil
}