// Copyright (c) 2020 Unbound Software Development Svenska AB
//
// Permission is hereby granted, free of charge, to any person obtaining a copy of
// this software and associated documentation files (the "Software"), to deal in
// the Software without restriction, including without limitation the rights to
// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
// the Software, and to permit persons to whom the Software is furnished to do so,
// subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

package apex

import (
	"fmt"
	"github.com/apex/log"
	"github.com/sanity-io/litter"
	"testing"
	"time"
)

// Mock implements `log.Interface` for use in unit-testing
type Mock struct {
	Logged []string
}

// Check verifies that the application has logged the expected strings
func (m *Mock) Check(t testing.TB, wantLogged []string) {
	t.Helper()
	if len(m.Logged) != 0 || len(wantLogged) != 0 {
		got := litter.Sdump(m.Logged)
		want := litter.Sdump(wantLogged)
		if got != want {
			t.Errorf("Logger() got %s, want %s", got, want)
		}
	}
}

// Debug implements log.Interface Debug
func (m *Mock) Debug(s string) {
	m.Logged = append(m.Logged, fmt.Sprintf("DEBUG: %s", s))
}

// Info implements log.Interface Info
func (m *Mock) Info(s string) {
	m.Logged = append(m.Logged, fmt.Sprintf("INFO: %s", s))
}

// Warn implements log.Interface Warn
func (m *Mock) Warn(s string) {
	m.Logged = append(m.Logged, fmt.Sprintf("WARN: %s", s))
}

// Error implements log.Interface Error
func (m *Mock) Error(s string) {
	m.Logged = append(m.Logged, fmt.Sprintf("ERROR: %s", s))
}

// Fatal implements log.Interface Fatal
func (m *Mock) Fatal(s string) {
	m.Logged = append(m.Logged, fmt.Sprintf("FATAL: %s", s))
}

// Debugf implements log.Interface Debugf
func (m *Mock) Debugf(s string, i ...interface{}) {
	m.Logged = append(m.Logged, fmt.Sprintf("DEBUG: %s", fmt.Sprintf(s, i...)))
}

// Infof implements log.Interface Infof
func (m *Mock) Infof(s string, i ...interface{}) {
	m.Logged = append(m.Logged, fmt.Sprintf("INFO: %s", fmt.Sprintf(s, i...)))
}

// Warnf implements log.Interface Warnf
func (m *Mock) Warnf(s string, i ...interface{}) {
	m.Logged = append(m.Logged, fmt.Sprintf("WARN: %s", fmt.Sprintf(s, i...)))
}

// Errorf implements log.Interface Errorf
func (m *Mock) Errorf(s string, i ...interface{}) {
	m.Logged = append(m.Logged, fmt.Sprintf("ERROR: %s", fmt.Sprintf(s, i...)))
}

// Fatalf implements log.Interface Fatalf
func (m *Mock) Fatalf(s string, i ...interface{}) {
	m.Logged = append(m.Logged, fmt.Sprintf("FATAL: %s", fmt.Sprintf(s, i...)))
}

// Trace implements log.Interface Trace
func (m *Mock) Trace(string) *log.Entry {
	return nil
}

// WithFields implements log.Interface WithFields
func (m *Mock) WithFields(log.Fielder) *log.Entry {
	return nil
}

// WithField implements log.Interface WithField
func (m *Mock) WithField(string, interface{}) *log.Entry {
	return nil
}

// WithDuration implements log.Interface WithDuration
func (m *Mock) WithDuration(time.Duration) *log.Entry {
	return nil
}

// WithError implements log.Interface WithError
func (m *Mock) WithError(error) *log.Entry {
	return nil
}

var _ log.Interface = &Mock{}