initial commit

internal/config/config.go

@@ -0,0 +1,105 @@
+package config
+
+import (
+	"encoding/json"
+	"os"
+)
+
+// Config represents the application configuration
+type Config struct {
+	Server    ServerConfig     `json:"server"`
+	WhatsApp  []WhatsAppConfig `json:"whatsapp"`
+	Hooks     []Hook           `json:"hooks"`
+	Database  DatabaseConfig   `json:"database,omitempty"`
+	Media     MediaConfig      `json:"media"`
+	LogLevel  string           `json:"log_level"`
+}
+
+// ServerConfig holds server-specific configuration
+type ServerConfig struct {
+	Host               string `json:"host"`
+	Port               int    `json:"port"`
+	DefaultCountryCode string `json:"default_country_code,omitempty"`
+	Username           string `json:"username,omitempty"`
+	Password           string `json:"password,omitempty"`
+	AuthKey            string `json:"auth_key,omitempty"`
+}
+
+// WhatsAppConfig holds configuration for a WhatsApp account
+type WhatsAppConfig struct {
+	ID          string `json:"id"`
+	PhoneNumber string `json:"phone_number"`
+	SessionPath string `json:"session_path"`
+	ShowQR      bool   `json:"show_qr,omitempty"`
+}
+
+// Hook represents a registered webhook
+type Hook struct {
+	ID          string            `json:"id"`
+	Name        string            `json:"name"`
+	URL         string            `json:"url"`
+	Method      string            `json:"method"`
+	Headers     map[string]string `json:"headers,omitempty"`
+	Active      bool              `json:"active"`
+	Events      []string          `json:"events,omitempty"`
+	Description string            `json:"description,omitempty"`
+}
+
+// DatabaseConfig holds database connection information
+type DatabaseConfig struct {
+	Type     string `json:"type"`
+	Host     string `json:"host"`
+	Port     int    `json:"port"`
+	Username string `json:"username"`
+	Password string `json:"password"`
+	Database string `json:"database"`
+}
+
+// MediaConfig holds media storage and delivery configuration
+type MediaConfig struct {
+	DataPath string `json:"data_path"`
+	Mode     string `json:"mode"` // "base64", "link", or "both"
+	BaseURL  string `json:"base_url,omitempty"` // Base URL for media links
+}
+
+// Load reads configuration from a file
+func Load(path string) (*Config, error) {
+	data, err := os.ReadFile(path)
+	if err != nil {
+		return nil, err
+	}
+
+	var cfg Config
+	if err := json.Unmarshal(data, &cfg); err != nil {
+		return nil, err
+	}
+
+	// Set defaults
+	if cfg.LogLevel == "" {
+		cfg.LogLevel = "info"
+	}
+	if cfg.Server.Host == "" {
+		cfg.Server.Host = "localhost"
+	}
+	if cfg.Server.Port == 0 {
+		cfg.Server.Port = 8080
+	}
+	if cfg.Media.DataPath == "" {
+		cfg.Media.DataPath = "./data/media"
+	}
+	if cfg.Media.Mode == "" {
+		cfg.Media.Mode = "link"
+	}
+
+	return &cfg, nil
+}
+
+// Save writes configuration to a file
+func Save(path string, cfg *Config) error {
+	data, err := json.MarshalIndent(cfg, "", "  ")
+	if err != nil {
+		return err
+	}
+
+	return os.WriteFile(path, data, 0644)
+}