package runner

import (
	"errors"
	"net"

	"github.com/projectdiscovery/gologger"
	"github.com/projectdiscovery/gologger/formatter"
	"github.com/projectdiscovery/gologger/levels"
)

// validateOptions validates the configuration options passed
func (options *Options) validateOptions() error {
	// Check if domain, list of domains, or stdin info was provided.
	// If none was provided, then return.
	if options.Domain == "" && options.DomainsFile == "" && !options.Stdin {
		return errors.New("no input list provided")
	}

	// Both verbose and silent flags were used
	if options.Verbose && options.Silent {
		return errors.New("both verbose and silent mode specified")
	}

	// Validate threads and options
	if options.Threads == 0 {
		return errors.New("threads cannot be zero")
	}
	if options.Timeout == 0 {
		return errors.New("timeout cannot be zero")
	}

	// Always remove wildcard with hostip
	if options.HostIP && !options.RemoveWildcard {
		return errors.New("hostip flag must be used with RemoveWildcard option")
	}

	// Check local IP address
	if options.LocalIPString != "" {
		options.LocalIP = net.ParseIP(options.LocalIPString)
		if options.LocalIP == nil {
			return errors.New("local bind ip is malformed")
		}
	}

	return nil
}

// configureOutput configures the output on the screen
func (options *Options) configureOutput() {
	// If the user desires verbose output, show verbose output
	if options.Verbose {
		gologger.DefaultLogger.SetMaxLevel(levels.LevelVerbose)
	}
	if options.NoColor {
		gologger.DefaultLogger.SetFormatter(formatter.NewCLI(true))
	}
	if options.Silent {
		gologger.DefaultLogger.SetMaxLevel(levels.LevelSilent)
	}
}
