// config.go
package setup

const (
	DefaultDBPath     = "gosql_dir/app.db"
	DefaultSchemaPath = "gosql_dir/db/schema.sql"
	DefaultSQLRoot    = "gosql_dir/db"
	BaseURL           = "/api/v1"
	DefaultPort       = 8080
	ModuleName        = "gosql"
)

// Config holds all configuration settings for the GoSQL application
type Config struct {
	DatabasePath string // Path to the SQLite database file
	SQLRoot      string // Root directory containing SQL files
	SchemaPath   string // Path to schema.sql file
	BaseURL      string // Base URL prefix for API endpoints
	Port         int    // HTTP server port
	EnableCORS   bool   // Whether to enable CORS headers
	DebugMode    bool   // Whether to include debug information in responses
}

// DefaultConfig returns a Config struct with sensible default values
func DefaultConfig() Config {
	return Config{}
}

// map.go
package setup

// Dir represents the directory structure for SQL files and database
// <Root>/
// ├── <Database>/
// │   ├── <database>.db
// │   ├── GET/
// │   ├── POST/
// │   ├── DELETE/
// │   └── PUT/
// ├── schema.sql
// └── <Tables>/
//     └── <TableName>/                 # e.g., users, products, whatever
//         ├── GET/
//         │   └── <custom>.sql         # e.g., fetch_users_by_role.sql
//         ├── POST/
//         ├── DELETE/
//         └── PUT/
type Dir struct {
	Root     string // Root directory path
	Database string // Database directory path
	GET      string // GET method SQL files directory
	POST     string // POST method SQL files directory
	DELETE   string // DELETE method SQL files directory
	PUT      string // PUT method SQL files directory
	Schema   string // Schema file path
	Tables   string // Tables directory path
}

// NewDir creates a new Dir instance with calculated paths based on the root directory
func NewDir(root string) *Dir {
	return &Dir{}
}

// MakeDirs creates all necessary directories in the file system if they don't exist
func (d *Dir) MakeDirs() error {
	return nil
}

// CreateTableDirs creates subdirectories for each table with HTTP method folders
func (d *Dir) CreateTableDirs(tables []string) error {
	return nil
}

// DiscoverTables parses the schema.sql file and extracts table names from CREATE TABLE statements
func (d *Dir) DiscoverTables() ([]string, error) {
	return []string{}, nil
    // use LoadSQL from sql_io.go
}

// sql_io.go
package database

// SQLFile represents a SQL file loaded from disk with its path and content
type SQLFile struct {
	Path    string // Full file path
	Content string // SQL content as string
}

// LoadSQL reads a SQL file from disk and returns an SQLFile struct
func LoadSQL(path string) (SQLFile, error) {
	return SQLFile{}, nil
}

// IsEmpty returns true if the SQLFile has no content or path
func (sf SQLFile) IsEmpty() bool {
	return false
}

// database.go
package database

import (
	"database/sql"
	"sync"
	_ "modernc.org/sqlite"
)

// Database wraps a sql.DB connection with thread-safety and additional methods
type Database struct {
	DB     *sql.DB        // Underlying database connection
	Path   string         // Database file path
	mu     sync.RWMutex   // Read-write mutex for thread safety
	closed bool           // Whether the database is closed
}

// Config holds configuration options for database initialization
type Config struct {
	Path              string // Database file path
	CreateIfNotExists bool   // Whether to create database if it doesn't exist
	Schema            string // Optional schema SQL to execute on creation
}

// NewDatabase creates a new Database instance with the given configuration
func NewDatabase(cfg Config) (*Database, error) {
	return &Database{}, nil
}

// ApplySchema executes the provided schema SQL against the database
func (d *Database) ApplySchema(schema string) error {
	return nil
}

// ExecSQL executes a SQL query and returns results in a standardized format
// For SELECT queries: returns map with "columns", "rows", "count" keys
// For INSERT/UPDATE/DELETE: returns map with "last_insert_id", "rows_affected", "success" keys
func (d *Database) ExecSQL(query string, args ...interface{}) (interface{}, error) {
	return nil, nil
}

// Close closes the database connection and marks it as closed
func (d *Database) Close() error {
	return nil
}

// IsHealthy checks if the database connection is still functional
func (d *Database) IsHealthy() bool {
	return false
}

// GetConnection returns the underlying sql.DB connection for advanced usage
func (d *Database) GetConnection() *sql.DB {
	return nil
}

// GetPath returns the database file path
func (d *Database) GetPath() string {
	return ""
}

// sql_to_http.go
package server

import (
	"gosql/database"
	"net/http"
)

// Endpoint represents an HTTP endpoint with its routing and SQL execution details
type Endpoint struct {
	Path        string            // HTTP route path (e.g., "/api/v1/users/select")
	Method      string            // HTTP method (GET, POST, PUT, DELETE)
	Handler     http.HandlerFunc  // HTTP handler function
	SQLPath     string            // Path to the SQL file
	TableName   string            // Table name (empty for universal endpoints)
	IsUniversal bool              // Whether this is a universal endpoint
}

// GlobSQLFiles recursively finds all .sql files in the given root directory
func GlobSQLFiles(rootPath string) ([]string, error) {
	return []string{}, nil
}

// RouteFromPath converts a SQL file path to an HTTP route path
// Example: "db/Tables/users/GET/select.sql" -> "/api/v1/users/select"
func RouteFromPath(sqlPath string, baseURL string) string {
	return ""
}

// MethodFromPath extracts the HTTP method from a SQL file path
// Example: "db/Tables/users/GET/select.sql" -> "GET"
func MethodFromPath(sqlPath string) string {
	return ""
}

// ExecuteSQLFromPath loads and executes a SQL file with the provided parameters
func ExecuteSQLFromPath(db *database.Database, sqlPath string, params map[string]interface{}) (interface{}, error) {
	return nil, nil
}

// DefaultRoutesPerTable generates standard CRUD endpoints for a given table
// Returns endpoints for basic operations like select, insert, update, delete
func DefaultRoutesPerTable(tableName string, db *database.Database) []Endpoint {
	return []Endpoint{}
}

// AssembleEndpoint creates a complete Endpoint from a SQL file path and database connection
func AssembleEndpoint(sqlPath string, db *database.Database, baseURL string) Endpoint {
	return Endpoint{}
}

// CreateHandler creates an HTTP handler function that executes the SQL file at the given path
func CreateHandler(db *database.Database, sqlPath string) http.HandlerFunc {
	return func(w http.ResponseWriter, r *http.Request) {}
}

// ExtractTableName extracts the table name from a SQL file path
// Example: "db/Tables/users/GET/select.sql" -> "users"
func ExtractTableName(sqlPath string) string {
	return ""
}

// ProcessSQLTemplate processes SQL template variables like {{table}}, {{columns}}, etc.
func ProcessSQLTemplate(sqlContent string, tableName string, params map[string]interface{}) string {
	return ""
}

// server.go
package server

import (
	"gosql/setup"
	"net/http"
)

// Server manages the HTTP server with configured endpoints and middleware
type Server struct {
	config    setup.Config // Server configuration
	endpoints []Endpoint   // List of configured endpoints
	mux       *http.ServeMux // HTTP request multiplexer
	server    *http.Server   // Underlying HTTP server
}

// NewServer creates a new Server instance with the given configuration and endpoints
func NewServer(cfg setup.Config, endpoints []Endpoint) *Server {
	return &Server{}
}

// SetupRoutes registers all endpoint handlers with the HTTP multiplexer
func (s *Server) SetupRoutes() {
}

// HealthHandler responds to health check requests with server status information
func (s *Server) HealthHandler(w http.ResponseWriter, r *http.Request) {
}

// RootHandler serves the root endpoint with API documentation and available endpoints
func (s *Server) RootHandler(w http.ResponseWriter, r *http.Request) {
}

// Start begins listening for HTTP requests on the configured port
func (s *Server) Start() error {
	return nil
}

// Shutdown gracefully stops the HTTP server
func (s *Server) Shutdown() error {
	return nil
}

// EnableCORS adds CORS headers to HTTP responses if enabled in config
func (s *Server) EnableCORS(w http.ResponseWriter, r *http.Request) {
}

// WriteJSONResponse writes a JSON response with the given status code and data
func (s *Server) WriteJSONResponse(w http.ResponseWriter, statusCode int, data interface{}) {
}

// ExtractRequestParams extracts parameters from URL query string and request body
func (s *Server) ExtractRequestParams(r *http.Request) (map[string]interface{}, error) {
	return map[string]interface{}{}, nil
}

// main.go
package main

import (
	"flag"
	"gosql/server"
	"gosql/setup"
)

// main is the entry point that sets up configuration, discovers SQL files,
// creates endpoints, and starts the HTTP server
func main() {
	cfg := setup.DefaultConfig()

	// config - parse command line flags and validate configuration
	// maps - discover directory structure and SQL files
	// routes - convert SQL files to HTTP endpoints
	// server - start HTTP server with configured endpoints
}

// IsSetupComplete checks if all required directories and files exist for the application to run
func IsSetupComplete(cfg setup.Config) bool {
	return false
}

// ShowHelp displays usage information and available command line options
func ShowHelp() {
}

// RunEndpointTests executes basic tests against all configured endpoints to verify functionality
func RunEndpointTests(endpoints []server.Endpoint) error {
	return nil
}