package logger

import (
	"fmt"
	"github.com/stretchr/testify/assert"
	"github.com/stretchr/testify/suite"
	"go.uber.org/zap"
	"os"
	"testing"
)

func TestAppConfigSuite(t *testing.T) {
	suite.Run(t, new(LoggingTestSuite))
}

type LoggingTestSuite struct{ suite.Suite }

func (suite *LoggingTestSuite) SetupSuite() {
	SetLogger(Testing)
}

func (suite *LoggingTestSuite) TearDownSuite() {
	AtExit.Cleanup()
}

func (suite *LoggingTestSuite) Test_DebugOnError() {
	var err error

	DebugOnError(fmt.Errorf("0001: Simple DEBUG test log message"))
	assert.FileExists(suite.T(), "./logs/debug_test", "Logger did not create output file")

	b, err := os.ReadFile("./logs/debug_test")
	assert.NoError(suite.T(), err, "Error Reading Log File")
	assert.Contains(suite.T(), string(b), "0001: Simple DEBUG test log message", "Log does not contain expected message")
}

func (suite *LoggingTestSuite) Test_InfoOnError() {
	var err error

	InfoOnError(fmt.Errorf("0002: Simple INFO test log message"))
	assert.FileExists(suite.T(), "./logs/debug_test", "Logger did not create output file")

	b, err := os.ReadFile("./logs/debug_test")
	assert.NoError(suite.T(), err, "Error Reading Log File")
	assert.Contains(suite.T(), string(b), "0002: Simple INFO test log message", "Log does not contain expected message")
}

func (suite *LoggingTestSuite) Test_WarnOnError() {
	var err error

	WarnOnError(fmt.Errorf("0003: Simple WARN test log message"))
	assert.FileExists(suite.T(), "./logs/debug_test", "Logger did not create output file")

	b, err := os.ReadFile("./logs/debug_test")
	assert.NoError(suite.T(), err, "Error Reading Log File")
	assert.Contains(suite.T(), string(b), "0003: Simple WARN test log message", "Log does not contain expected message")
}

func (suite *LoggingTestSuite) Test_ErrorOnError() {
	var err error

	ErrorOnError(fmt.Errorf("0001: Simple ERROR test log message"))
	assert.FileExists(suite.T(), "./logs/debug_test", "Logger did not create output file")

	b, err := os.ReadFile("./logs/debug_test")
	assert.NoError(suite.T(), err, "Error Reading Log File")
	assert.Contains(suite.T(), string(b), "0001: Simple ERROR test log message", "Log does not contain expected message")
}

func (suite *LoggingTestSuite) Test_DebugWithVariables() {
	Logger.Debug("0010 DEBUG test with data", zap.String("Field1", "Sample Text"), zap.Int("Field2", 1500))
	assert.FileExists(suite.T(), "./logs/debug_test", "Logger did not create output file")

	b, err := os.ReadFile("./logs/debug_test")
	assert.NoError(suite.T(), err, "Error Reading Log File")
	assert.Contains(suite.T(), string(b), "0010 DEBUG test with data\t{\"Field1\": \"Sample Text\", \"Field2\": 1500}", "Log does not contain expected message")
}