package stardb

import (
	"testing"
	"time"
)

func TestConvertToInt64(t *testing.T) {
	tests := []struct {
		name     string
		input    interface{}
		expected int64
	}{
		{"nil", nil, 0},
		{"int", 42, 42},
		{"int32", int32(42), 42},
		{"int64", int64(42), 42},
		{"uint64", uint64(42), 42},
		{"float32", float32(42.7), 42},
		{"float64", float64(42.7), 42},
		{"string", "42", 42},
		{"bool true", true, 1},
		{"bool false", false, 0},
		{"bytes", []byte("42"), 42},
	}

	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			result := convertToInt64(tt.input)
			if result != tt.expected {
				t.Errorf("Expected %d, got %d", tt.expected, result)
			}
		})
	}
}

func TestConvertToUint64(t *testing.T) {
	tests := []struct {
		name     string
		input    interface{}
		expected uint64
	}{
		{"nil", nil, 0},
		{"int", 42, 42},
		{"int32", int32(42), 42},
		{"int64", int64(42), 42},
		{"uint64", uint64(42), 42},
		{"float32", float32(42.7), 42},
		{"float64", float64(42.7), 42},
		{"string", "42", 42},
		{"bool true", true, 1},
		{"bool false", false, 0},
		{"bytes", []byte("42"), 42},
	}

	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			result := convertToUint64(tt.input)
			if result != tt.expected {
				t.Errorf("Expected %d, got %d", tt.expected, result)
			}
		})
	}
}

func TestConvertToFloat64(t *testing.T) {
	tests := []struct {
		name     string
		input    interface{}
		expected float64
	}{
		{"nil", nil, 0.0},
		{"int", 42, 42.0},
		{"int32", int32(42), 42.0},
		{"int64", int64(42), 42.0},
		{"uint64", uint64(42), 42.0},
		{"float32", float32(42.5), 42.5},
		{"float64", float64(42.5), 42.5},
		{"string", "42.5", 42.5},
		{"bool true", true, 1.0},
		{"bool false", false, 0.0},
		{"bytes", []byte("42.5"), 42.5},
	}

	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			result := convertToFloat64(tt.input)
			if result != tt.expected {
				t.Errorf("Expected %f, got %f", tt.expected, result)
			}
		})
	}
}

func TestConvertToBool(t *testing.T) {
	tests := []struct {
		name     string
		input    interface{}
		expected bool
	}{
		{"nil", nil, false},
		{"bool true", true, true},
		{"bool false", false, false},
		{"int positive", 1, true},
		{"int zero", 0, false},
		{"int negative", -1, true},
		{"float positive", 1.5, true},
		{"float zero", 0.0, false},
		{"string true", "true", true},
		{"string false", "false", false},
		{"string 1", "1", true},
		{"string 0", "0", false},
		{"bytes true", []byte("true"), true},
		{"bytes false", []byte("false"), false},
	}

	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			result := convertToBool(tt.input)
			if result != tt.expected {
				t.Errorf("Expected %v, got %v", tt.expected, result)
			}
		})
	}
}

func TestConvertToString(t *testing.T) {
	now := time.Now()
	tests := []struct {
		name     string
		input    interface{}
		expected string
	}{
		{"nil", nil, ""},
		{"string", "hello", "hello"},
		{"int", 42, "42"},
		{"int32", int32(42), "42"},
		{"int64", int64(42), "42"},
		{"float32", float32(42.5), "42.5"},
		{"float64", float64(42.5), "42.5"},
		{"bool true", true, "true"},
		{"bool false", false, "false"},
		{"time", now, now.String()},
		{"bytes", []byte("hello"), "hello"},
	}

	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			result := convertToString(tt.input)
			if result != tt.expected {
				t.Errorf("Expected '%s', got '%s'", tt.expected, result)
			}
		})
	}
}

func TestConvertToTime(t *testing.T) {
	layout := "2006-01-02 15:04:05"
	timeStr := "2024-01-01 10:00:00"
	expectedTime, _ := time.Parse(layout, timeStr)

	tests := []struct {
		name     string
		input    interface{}
		layout   string
		expected time.Time
	}{
		{"nil", nil, layout, time.Time{}},
		{"time.Time", expectedTime, layout, expectedTime},
		{"int64 unix", int64(1704103200), layout, time.Unix(1704103200, 0)},
		{"string", timeStr, layout, expectedTime},
		{"bytes", []byte(timeStr), layout, expectedTime},
	}

	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			result := convertToTime(tt.input, tt.layout)
			if !result.Equal(tt.expected) {
				t.Errorf("Expected %v, got %v", tt.expected, result)
			}
		})
	}
}