#include <r3/r3.h>

// create a router tree with 10 children capacity (this capacity can grow dynamically)
R3Node *n = r3_tree_create(10);

int route_data = 3;

// insert the R3Route path into the router tree
r3_tree_insert_path(n, "/bar", &route_data); // ignore the length of path

r3_tree_insert_pathl(n, "/zoo", strlen("/zoo"), &route_data );
r3_tree_insert_pathl(n, "/foo/bar", strlen("/foo/bar"), &route_data );

r3_tree_insert_pathl(n ,"/post/{id}", strlen("/post/{id}") , &route_data );

r3_tree_insert_pathl(n, "/user/{id:\\d+}", strlen("/user/{id:\\d+}"), &route_data );


// if you want to catch error, you may call the extended path function for insertion
int data = 10;
char *errstr = NULL;
R3Node *ret = r3_tree_insert_pathl_ex(n, "/foo/{name:\\d{5}", strlen("/foo/{name:\\d{5}"), NULL, &data, &errstr);
if (ret == NULL) {
    // failed insertion
    printf("error: %s\n", errstr);
    free(errstr); // errstr is created from `asprintf`, so you have to free it manually.
}


// let's compile the tree!
char *errstr = NULL;
int err = r3_tree_compile(n, &errstr);
if (err != 0) {
    // fail
    printf("error: %s\n", errstr);
    free(errstr); // errstr is created from `asprintf`, so you have to free it manually.
}


// dump the compiled tree
r3_tree_dump(n, 0);

// match a route
R3Node *matched_node = r3_tree_matchl(n, "/foo/bar", strlen("/foo/bar"), NULL);
if (matched_node) {
    int ret = *( (int*) matched_node->data );
}

// release the tree
r3_tree_free(n);

match_entry * entry = match_entry_create("/foo/bar");

// free the match entry
match_entry_free(entry);

entry->request_method = METHOD_GET;
entry->request_method = METHOD_POST;
entry->request_method = METHOD_GET | METHOD_POST;

R3Node * matched_node = r3_tree_match_entry(n, entry);

// create a router tree with 10 children capacity (this capacity can grow dynamically)
n = r3_tree_create(10);

int route_data = 3;

// insert the R3Route path into the router tree
r3_tree_insert_routel(n, METHOD_GET | METHOD_POST, "/blog/post", sizeof("/blog/post") - 1, &route_data );

char *errstr = NULL;
int err = r3_tree_compile(n, &errstr);
if (err != 0) {
    // fail
    printf("error: %s\n", errstr);
    free(errstr); // errstr is created from `asprintf`, so you have to free it manually.
}


// in your http server handler

// create the match entry for capturing dynamic variables.
match_entry * entry = match_entry_create("/blog/post");
entry->request_method = METHOD_GET;


R3Route *matched_R3Route = r3_tree_match_route(n, entry);
matched_route->data; // get the data from matched route

// free the objects at the end
match_entry_free(entry);
r3_tree_free(n);

R3Node * n = r3_tree_create(1);

r3_tree_insert_path(n, "/foo/bar/baz",  NULL);
r3_tree_insert_path(n, "/foo/bar/qux",  NULL);
r3_tree_insert_path(n, "/foo/bar/quux",  NULL);
r3_tree_insert_path(n, "/foo/bar/corge",  NULL);
r3_tree_insert_path(n, "/foo/bar/grault",  NULL);
r3_tree_insert_path(n, "/garply/grault/foo",  NULL);
r3_tree_insert_path(n, "/garply/grault/bar",  NULL);
r3_tree_insert_path(n, "/user/{id}",  NULL);
r3_tree_insert_path(n, "/post/{title:\\w+}",  NULL);

char *errstr = NULL;
int err;
err = r3_tree_compile(n, &errstr);
if (err != 0) {
    // fail
    printf("error: %s\n", errstr);
    free(errstr); // errstr is created from `asprintf`, so you have to free it manually.
}

r3_tree_render_file(n, "png", "check_gvc.png");
r3_tree_free(n);

int r3_tree_render_file(const R3Node * tree, const char * format, const char * filename);

int r3_tree_render(const R3Node * tree, const char *layout, const char * format, FILE *fp);

int r3_tree_render_dot(const R3Node * tree, const char *layout, FILE *fp);

int r3_tree_render_file(const R3Node * tree, const char * format, const char * filename);

json_object * obj = r3_node_to_json_object(n);

const char *json = r3_node_to_json_pretty_string(n);
printf("Pretty JSON: %s\n",json);

const char *json = r3_node_to_json_string(n);
printf("JSON: %s\n",json);