// This is free and unencumbered software released into the public domain.
//
// Anyone is free to copy, modify, publish, use, compile, sell, or
// distribute this software, either in source code form or as a compiled
// binary, for any purpose, commercial or non-commercial, and by any
// means.
//
// In jurisdictions that recognize copyright laws, the author or authors
// of this software dedicate any and all copyright interest in the
// software to the public domain. We make this dedication for the benefit
// of the public at large and to the detriment of our heirs and
// successors. We intend this dedication to be an overt act of
// relinquishment in perpetuity of all present and future rights to this
// software under copyright law.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
// IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
// OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
// OTHER DEALINGS IN THE SOFTWARE.

use fnmatch;

export type route = struct {
	pattern: str,
	routefn: routefn,
};

export type mux = []route;

let global: mux = [];

export fn newmux() mux = [];

export fn handle(pattern: str, routefn: routefn) void = {
	handle_mux(&global, pattern, routefn);
};

export fn handle_mux(mux: *mux, pattern: str, routefn: routefn) void = {
	append(mux, route {
		pattern = pattern,
		routefn = routefn,
	});
};

export fn mux_match(mux: *mux, req: *request, default: routefn) routefn = {
	for (let i = 0z; i < len(mux); i += 1) {
		if (fnmatch::fnmatch(mux[i].pattern, req.path)) {
			return mux[i].routefn;
		};
	};

	return default;
};