package lib

import (
	"log"
	"os"
	"strings"
)

// Production paths - single source of truth
const (
	DBPathDefault  = "/tank/inou/data/inou.db"
	KeyPathDefault = "/tank/inou/master.key"
	configFile     = "/tank/inou/anthropic.env"
)

// Init initializes all lib subsystems (crypto, database) with production defaults
func Init() error {
	if err := CryptoInit(KeyPathDefault); err != nil {
		return err
	}
	return DBInit(DBPathDefault)
}

var (
	GeminiKey         string = ""
	AnthropicKey      string = ""
	FireworksKey      string = ""
	SystemAccessorID  string = "7b3a3ee1c2776dcd" // Default fallback
)

func ConfigInit() {
	data, err := os.ReadFile(configFile)
	if err != nil {
		log.Printf("Warning: %s not found: %v", configFile, err)
	} else {
		for _, line := range strings.Split(string(data), "\n") {
			line = strings.TrimSpace(line)
			if line == "" || strings.HasPrefix(line, "#") {
				continue
			}
			parts := strings.SplitN(line, "=", 2)
			if len(parts) != 2 {
				continue
			}
			key := strings.TrimSpace(parts[0])
			value := strings.TrimSpace(parts[1])

			switch key {
			case "GEMINI_API_KEY":
				GeminiKey = value
			case "ANTHROPIC_API_KEY":
				AnthropicKey = value
			case "FIREWORKS_API_KEY":
				FireworksKey = value
			case "SYSTEM_ACCESSOR_ID":
				SystemAccessorID = value
			}
		}
	}

	// Fallback to environment variables if not set from file
	if GeminiKey == "" {
		GeminiKey = os.Getenv("GEMINI_API_KEY")
	}
	if AnthropicKey == "" {
		AnthropicKey = os.Getenv("ANTHROPIC_API_KEY")
	}
	if FireworksKey == "" {
		FireworksKey = os.Getenv("FIREWORKS_API_KEY")
	}
	if SystemAccessorID == "" {
		if envID := os.Getenv("SYSTEM_ACCESSOR_ID"); envID != "" {
			SystemAccessorID = envID
		}
	}

	// Load SMTP config
	if smtp, err := os.ReadFile("/tank/inou/smtp.env"); err == nil {
		for _, line := range strings.Split(string(smtp), "\n") {
			parts := strings.SplitN(line, "=", 2)
			if len(parts) != 2 { continue }
			switch parts[0] {
			case "SMTP_HOST": smtpHost = parts[1]
			case "SMTP_PORT": smtpPort = parts[1]
			case "SMTP_USER": smtpUser = parts[1]
			case "SMTP_TOKEN": smtpPass = parts[1]
			case "SMTP_FROM": smtpFrom = parts[1]
			case "SMTP_FROM_NAME": smtpFromName = parts[1]
			}
		}
	}

	// Initialize SystemContext with loaded ID
	SystemContext = &AccessContext{
		IsSystem:   true,
		AccessorID: SystemAccessorID,
	}
}