package util

import (
	"testing"

	"github.com/stretchr/testify/assert"
)

func TestUtil_ConvertParseLocalUnix(t *testing.T) {
	type args struct {
		unix int64
	}

	tests := []struct {
		Name string
		Args args
	}{
		{
			Name: "08:00:00",
			Args: args{
				unix: 1727049600,
			},
		},
		{
			Name: "09:00:00",
			Args: args{
				unix: 1727053200,
			},
		},
	}

	for _, tt := range tests {
		t.Run(tt.Name, func(t *testing.T) {
			got, err := ConvertParseLocalUnix(tt.Name)
			assert.Nil(t, err)
			assert.Equal(t, tt.Args.unix, got)
		})
	}
}

func TestGetLastDayOfMonth(t *testing.T) {
	tests := []struct {
		month string
		got   string
	}{
		{
			month: "2022-02",
			got:   "2022-02-28",
		},
		{
			month: "2023-02",
			got:   "2023-02-28",
		},
		{
			month: "2024-02",
			got:   "2024-02-29",
		},
		{
			month: "2024-10",
			got:   "2024-10-31",
		}, {
			month: "2024-09",
			got:   "2024-09-30",
		},
	}

	for _, tt := range tests {
		t.Run(tt.month, func(t *testing.T) {
			got, err := GetLastDayOfMonth(tt.month)
			assert.Nil(t, err)
			assert.Equal(t, tt.got, got)
		})
	}
}

func TestGetMonthsInRange(t *testing.T) {
	tests := []struct {
		startMonth string
		endMonth   string
		got        []string
	}{
		{
			startMonth: "2023-01",
			endMonth:   "2023-03",
			got: []string{
				"2023-01",
				"2023-02",
				"2023-03",
			},
		},
		{
			startMonth: "2023-01",
			endMonth:   "2023-12",
			got: []string{
				"2023-01",
				"2023-02",
				"2023-03",
				"2023-04",
				"2023-05",
				"2023-06",
				"2023-07",
				"2023-08",
				"2023-09",
				"2023-10",
				"2023-11",
				"2023-12",
			},
		},
		{
			startMonth: "2023-01",
			endMonth:   "2023-01",
			got: []string{
				"2023-01",
			},
		},
		{
			startMonth: "2023-01",
			endMonth:   "2023-01",
			got: []string{
				"2023-01",
			},
		},
	}

	for _, tt := range tests {
		t.Run(tt.startMonth, func(t *testing.T) {
			got, err := GetMonthsInRange(tt.startMonth, tt.endMonth)
			assert.Nil(t, err)
			assert.Equal(t, tt.got, got)
		})
	}
}

func TestRoundToTwoDecimals(t *testing.T) {
	tests := []struct {
		exp float64
		got float64
	}{
		{
			exp: 123.456,
			got: 123.46,
		},
		{
			exp: 123.455,
			got: 123.46,
		},
		{
			exp: 123.444,
			got: 123.44,
		},
		{
			exp: 123.4551,
			got: 123.46,
		},
		{
			exp: 123.4449,
			got: 123.44,
		},
		{
			exp: 0,
			got: 0,
		},
		{
			exp: 0.2,
			got: 0.2,
		},
	}

	for _, tt := range tests {
		t.Run("TestRoundToTwoDecimals", func(t *testing.T) {
			got := RoundToTwoDecimals(tt.exp)
			assert.Equal(t, tt.got, got)
		})
	}
}