#include "../lexer/lexer.h"
#include "../parser/parser.h"
#include "../semantic/semantic.h"
#include "../ir/ir.h"
#include "../ir/ir_gen.h"
#include <stdio.h>
#include <stdlib.h>

static char* read_file(const char *filename) {
    FILE *file = fopen(filename, "r");
    if (!file) return NULL;
    fseek(file, 0, SEEK_END);
    long size = ftell(file);
    fseek(file, 0, SEEK_SET);
    char *content = malloc(size + 1);
    size_t read_bytes = fread(content, 1, size, file); (void)read_bytes;
    content[size] = '\0';
    fclose(file);
    return content;
}

int main() {
    char *source = read_file("examples/09_TowerOfHanoi.java");
    if (!source) return 1;

    RavaLexer_t *lexer = rava_lexer_create(source);
    RavaParser_t *parser = rava_parser_create(lexer);
    RavaASTNode_t *ast = rava_parser_parse(parser);

    if (parser->had_error) {
        printf("Parse error: %s\n", parser->error_message);
        free(source);
        return 1;
    }

    RavaSemanticAnalyzer_t *analyzer = rava_semantic_analyzer_create();
    if (!rava_semantic_analyze(analyzer, ast)) {
        printf("Semantic error: %s\n", analyzer->error_message);
        free(source);
        return 1;
    }

    RavaIRGenerator_t *ir_gen = rava_ir_generator_create(analyzer);
    RavaProgram_t *program = rava_ir_generate(ir_gen, ast);

    if (!program) {
        printf("IR generation failed\n");
        free(source);
        return 1;
    }

    rava_program_print(program);

    free(source);
    return 0;
}