#include <stdlib.h>
#include <stdio.h>
#include <readline/readline.h>
#include <string.h>

#include "lex.h"
#include "parse.h"
#include "exec.h"

void uglyprint_pl(Pipeline pl) {
    for (int i = 0; i < pl.count; i++) {
        printf("%d\n", i);
        TokenVec toks = (*get_from_Pipeline(&pl, i)).cmd.args;
        for (int j = 0; j < toks.count; j++) {
            Token tok = *get_from_TokenVec(&toks, j);
            if (tok.kind != TOK_WORD) {
                printf(" [NON-WORD] ");
                continue;
            }
            Word word = tok.as.word;
            for (int k = 0; k < word.count; k++) {
                Chunk chunk = *get_from_Word(&word, k);
                if (chunk.kind == LITERAL) {
                    printf("%s", chunk.as.literal_str);
                }
            }
        } 
    }
}


int main() {
    char* line;
    ShellState shstate = {.shell_vars = make_KeyValMap(1), .aliases = make_KeyValMap(1)};
    while (1) {
        line = readline("$ ");
        if (line[0] == '\0') continue;  
        if (strcmp(line, "exit") == 0) exit(0);
        LexResult res = lex(line);
        Pipeline pl = parse_tokstream(res.top_tokens);
        run_pipeline(pl, &shstate);
    }
    free(line);
}