const MAX_CONTEXT_VARS: usize = 32; 
const MAX_KEY_LEN: usize = 64;
const MAX_VALUE_LEN: usize = 256;
const MAX_PATH_LEN: usize = 256;
const MAX_HANDLERS: usize = 32;
const BUFFER_SIZE: usize = 4096;
const MAX_URL_PARAMS: usize = 16;
const MAX_COOKIES: usize = 10;
const MAX_OUTER_ARRAY_ITEMS: usize = 100;
const MAX_INNER_ARRAY_ITEMS: usize = 200;

const TEMPLATES_DIR: &str = "templates/";
const STATIC_DIR: &str = "static/";
/*
enum ContextType {
  CONTEXT_TYPE_STRING,          
  CONTEXT_TYPE_STRING_ARRAY,    
  CONTEXT_TYPE_STRING_2D_ARRAY, 
};
*/
type ContextType = i32;
struct CV_array_data {
    values: &&char,
    count: i32,
}

struct CV_2d_array_data {
    values: &&&char,
    count: i32,
}


struct ContextVarStr {
    key: char[MAX_KEY_LEN],
    typ: ContextType,
    value: char[MAX_VALUE_LEN]
}

struct ContextVarArr {
    key: char[MAX_KEY_LEN],
    typ: ContextType,
    value: CV_array_data,
}

struct ContextVar2dArr {
    key: char[MAX_KEY_LEN],
    typ: ContextType,
    value: CV_2d_array_data,
}

struct ContextVar {
    key: char[MAX_KEY_LEN],
    typ: ContextType,
    value: char[MAX_VALUE_LEN]
}

struct TemplateContext {
    vars: ContextVar[MAX_CONTEXT_VARS],
    count: i32,
}

struct UrlParam {
    key: char[MAX_KEY_LEN],
    value: char[MAX_VALUE_LEN],
}

struct UrlParams {
    params: UrlParam[MAX_URL_PARAMS],
    count: i32
}
struct Cookie {
    name: char[MAX_KEY_LEN],
    value: char[MAX_VALUE_LEN],
    expires: char[MAX_VALUE_LEN],
    path: char[MAX_KEY_LEN],
    http_only: bool,
    secure: bool
}

type RequestHandler = fn(params: &UrlParams);

struct RouteHandler {
    path: char[MAX_PATH_LEN],
    handler: RequestHandler
}

extern fn new_context() -> TemplateContext;
extern fn context_set(ctx: &mut TemplateContext, key: &cstr, value: &cstr);
extern fn context_set_string_array(ctx: &mut TemplateContext, key: &cstr, values: &cstr, count: i32);
extern fn context_set_array_of_arrays(ctx: &mut TemplateContext, key: &cstr, values: &cstr[][], outer_count: i32, inner_count: i32);
extern fn free_context(ctx: &mut TemplateContext);
extern fn render_template(template_file: &cstr, ctx: &mut TemplateContext) -> &cstr;

extern fn send_response(html: &cstr);
extern fn send_redirect(location: &cstr);
extern fn set_cookie(name: &cstr, value: &cstr, expires: &cstr, path: &cstr, http_only: bool, secure: bool);
extern fn get_cookie(name: &cstr) -> &cstr;

extern fn set_handler(path: &cstr, handler: RequestHandler);
extern fn parse_request_url(request_buffer: &cstr, params: &UrlParams) -> &cstr;
extern fn get_mime_type(file_path: &cstr) -> &cstr;
extern fn serve_static_file(request_path_relative_to_static: &cstr) -> bool;

extern fn beaker_run(ip: &cstr, port: i32) -> i32;