package config

// View implements module.ConfigView over a *Config. Modules receive a View
// (not the raw Config pointer) to prevent them from mutating global scan
// state — reads only.
//
// The implementation is intentionally small: it exposes just the shape
// needed by the module package without pulling in a full generic key/value
// store. Module-specific settings live in ModuleSettings; typed options
// should be hoisted to first-class fields on Config when they are used
// across modules.
type View struct {
	cfg *Config
}

// NewView wraps cfg as a ConfigView. cfg may be nil, in which case every
// accessor returns the fallback/zero value.
func NewView(cfg *Config) *View { return &View{cfg: cfg} }

// Profile returns the active profile name ("" when none).
func (v *View) Profile() string {
	if v == nil || v.cfg == nil {
		return ""
	}
	return v.cfg.Profile
}

// Bool reads a boolean config key by well-known name. Unknown keys return fb.
// Keys intentionally kept flat to avoid accidental namespacing bugs.
func (v *View) Bool(key string, fb bool) bool {
	if v == nil || v.cfg == nil {
		return fb
	}
	switch key {
	case "ai.enabled":
		return v.cfg.EnableAI
	case "ai.cascade":
		return v.cfg.AICascade
	case "ai.deep":
		return v.cfg.AIDeepAnalysis
	case "ai.multi_agent":
		return v.cfg.MultiAgent
	case "ai.verbose":
		return v.cfg.AIVerbose
	case "ai.auto_pull":
		return v.cfg.AutoPullModels
	case "silent":
		return v.cfg.Silent
	case "verbose":
		return v.cfg.Verbose
	case "json":
		return v.cfg.JsonOutput
	case "no_brute":
		return v.cfg.NoBrute
	case "no_probe":
		return v.cfg.NoProbe
	case "no_ports":
		return v.cfg.NoPorts
	case "no_takeover":
		return v.cfg.NoTakeover
	case "only_active":
		return v.cfg.OnlyActive
	case "recursive":
		return v.cfg.Recursive
	case "cloud_scan":
		return v.cfg.CloudScan
	case "api_scan":
		return v.cfg.APIScan
	case "secrets_scan":
		return v.cfg.SecretsScan
	case "tech_scan":
		return v.cfg.TechScan
	case "asn_scan":
		return v.cfg.ASNScan
	case "vhost_scan":
		return v.cfg.VHostScan
	case "nuclei_scan":
		return v.cfg.NucleiScan
	case "nuclei_auto_download":
		return v.cfg.NucleiAutoDownload
	}
	return fb
}

// Int reads an int key.
func (v *View) Int(key string, fb int) int {
	if v == nil || v.cfg == nil {
		return fb
	}
	switch key {
	case "concurrency":
		return v.cfg.Concurrency
	case "timeout":
		return v.cfg.Timeout
	case "recursive.depth":
		return v.cfg.RecursiveDepth
	}
	return fb
}

// String reads a string key.
func (v *View) String(key string, fb string) string {
	if v == nil || v.cfg == nil {
		return fb
	}
	switch key {
	case "domain":
		return v.cfg.Domain
	case "wordlist":
		return v.cfg.Wordlist
	case "output":
		return v.cfg.Output
	case "format":
		return v.cfg.Format
	case "ports":
		return v.cfg.Ports
	case "resolvers":
		return v.cfg.Resolvers
	case "stealth":
		return v.cfg.StealthMode
	case "ai.url":
		return v.cfg.AIUrl
	case "ai.fast_model":
		return v.cfg.AIFastModel
	case "ai.deep_model":
		return v.cfg.AIDeepModel
	case "nuclei_templates":
		return v.cfg.NucleiTemplates
	}
	return fb
}

// Strings reads a string-slice key. No multi-value keys are defined yet,
// but reserved for module-specific settings loaded from YAML.
func (v *View) Strings(key string) []string {
	_ = key
	return nil
}

// ModuleEnabled returns true when the config explicitly enabled the module
// by name (via ModuleSettings). It returns false otherwise; callers should
// fall back to the module's DefaultEnabled() when this returns false.
func (v *View) ModuleEnabled(name string) bool {
	if v == nil || v.cfg == nil {
		return false
	}
	if v.cfg.ModuleSettings == nil {
		return false
	}
	return v.cfg.ModuleSettings[name]
}