#include "parser.h"
#include <stdio.h>
#include <stdlib.h>

const char* type_name(enum linetype lt)
{
    switch(lt)
    {
        case LT_TEXT:
            return "text";
        case LT_HEADING:
            return "heading";
        case LT_LINK:
            return "link";
        case LT_QUOTE:
            return "quote";
        case LT_LISTITEM:
            return "list item";
        case LT_PRETEXT:
            return "preformatted text";
        default:
            return "unknown type";
    }
}

int main(int argc, char** argv)
{
    char* buf;
    size_t len;
    FILE* f;
    struct parse_state st;
    struct line l;
    enum parse_result res;

    f = fopen(argv[1], "rw");
    fseek(f, 0, SEEK_END);
    len = ftell(f);

    buf = calloc(1, len + 1);
    rewind(f);
    fread(buf, len, 1, f);

    st.buf = buf;
    st.preformatted = 0;

    while (*st.buf) {
        l.type = LT_TEXT;
        l.text = NULL;
        l.url = NULL;
        l.level = 0;

        res = ParseLine(&st, &l);
        if (res == PARSE_LINE)
        {
            printf("Line type: %s", type_name(l.type));
            if (l.text)
                printf(", text: '%s'", l.text);
            if (l.type == LT_LINK)
                printf(", url: '%s'", l.url);
            if (l.type == LT_HEADING)
                printf(", heading level: %d", l.level);
            printf("\n");
        }
    }
}