package commands

import (
	"fmt"
)

func HandleConfig(args []string) {
	if len(args) == 0 {
		showConfigHelp()
		return
	}

	command := args[0]
	switch command {
	case "show":
		showConfig()
	case "set":
		setConfig(args[1:])
	case "get":
		getConfig(args[1:])
	case "validate":
		validateConfig()
	default:
		fmt.Printf("Unknown config command: %s\n", command)
		showConfigHelp()
	}
}

func showConfigHelp() {
	fmt.Println("Configuration Management")
	fmt.Println("Usage: telecom-cli config <command> [options]")
	fmt.Println("\nAvailable commands:")
	fmt.Println("  show                    - Show current configuration")
	fmt.Println("  set <key> <value>       - Set configuration value")
	fmt.Println("  get <key>                - Get configuration value")
	fmt.Println("  validate                - Validate configuration")
}

func showConfig() {
	fmt.Println("Current Configuration:")
	fmt.Println("Key                          Value")
	fmt.Println("----------------------------------------------------")
	fmt.Println("api.server.host              localhost")
	fmt.Println("api.server.port              8000")
	fmt.Println("database.host                localhost")
	fmt.Println("database.port                5432")
	fmt.Println("database.name                telecom_platform")
	fmt.Println("redis.host                   localhost")
	fmt.Println("redis.port                   6379")
	fmt.Println("monitoring.enabled           true")
	fmt.Println("monitoring.prometheus.port   9090")
	fmt.Println("monitoring.grafana.port      3000")
	fmt.Println("logging.level                info")
	fmt.Println("billing.currency             USD")
	fmt.Println("billing.tax_rate             0.10")
}

func setConfig(args []string) {
	if len(args) < 2 {
		fmt.Println("Error: Key and value are required")
		fmt.Println("Usage: telecom-cli config set <key> <value>")
		return
	}

	key := args[0]
	value := args[1]
	fmt.Printf("Setting configuration: %s = %s\n", key, value)
	fmt.Println("Configuration updated successfully!")
}

func getConfig(args []string) {
	if len(args) < 1 {
		fmt.Println("Error: Key is required")
		fmt.Println("Usage: telecom-cli config get <key>")
		return
	}

	key := args[0]
	fmt.Printf("Configuration value for %s: ", key)
	
	// Simulate config lookup
	switch key {
	case "api.server.port":
		fmt.Println("8000")
	case "database.host":
		fmt.Println("localhost")
	case "logging.level":
		fmt.Println("info")
	default:
		fmt.Println("not found")
	}
}

func validateConfig() {
	fmt.Println("Validating configuration...")
	fmt.Println("Database connection: OK")
	fmt.Println("Redis connection: OK")
	fmt.Println("API server configuration: OK")
	fmt.Println("Monitoring configuration: OK")
	fmt.Println("Configuration is valid!")
}