package cmd
import (
"fmt"
"strings"
)
// TableColumn represents a column in a table
type TableColumn struct {
Header string
Key string // key to extract from data map
Width int // calculated width
}
// renderTable renders a table with dynamic column width calculation
func renderTable(columns []TableColumn, data []map[string]interface{}) {
if len(data) == 0 {
fmt.Println("No data to display")
return
}
// Calculate column widths based on header and data
for i := range columns {
columns[i].Width = len(columns[i].Header)
for _, row := range data {
if value, exists := row[columns[i].Key]; exists {
valueStr := fmt.Sprintf("%v", value)
if len(valueStr) > columns[i].Width {
columns[i].Width = len(valueStr)
}
}
}
}
// Print header
var headerParts []string
for _, col := range columns {
headerParts = append(headerParts, fmt.Sprintf("%-*s", col.Width, col.Header))
}
header := strings.Join(headerParts, " ")
fmt.Println(header)
// Print separator
var separatorParts []string
for _, col := range columns {
separatorParts = append(separatorParts, strings.Repeat("-", col.Width))
}
separator := strings.Join(separatorParts, " ")
fmt.Println(separator)
// Print data rows
for _, row := range data {
var rowParts []string
for _, col := range columns {
value := ""
if v, exists := row[col.Key]; exists {
value = fmt.Sprintf("%v", v)
}
rowParts = append(rowParts, fmt.Sprintf("%-*s", col.Width, value))
}
fmt.Println(strings.Join(rowParts, " "))
}
}
