#include "tsqlite.h"

#define _create_statement(SQL, TMP_VAR){\
    try(tsqlite_statement* TMP_VAR, p, tsqlite_statement_compile(conn, STR(SQL)));\
    Defer(tsqlite_statement_free(TMP_VAR));\
    st = TMP_VAR;\
}
#define create_statement(SQL) _create_statement(SQL, CAT2(_st_, __LINE__))

#define exec_statement_no_result() \
    printf("executing SQL statement:\n%s\n", sqlite3_sql(st->st));\
    try_void(tsqlite_statement_execNext(st));\

Result(void) test_connection(){
    Deferral(8);

    try(tsqlite_connection* conn, p, tsqlite_connection_open("db.sqlite"));
    Defer(tsqlite_connection_close(conn));
    
    tsqlite_statement* st;
    create_statement("DROP TABLE IF EXISTS Test;");
    exec_statement_no_result();

    create_statement(
        "CREATE TABLE Test (\n"
        "   id INTEGER PRIMARY KEY,\n"
        "   a TEXT\n"
        ");");
    exec_statement_no_result();

    create_statement(
        "INSERT INTO Test(a) VALUES\n"
        "   ('ooeeoo'),\n"
        "   ('wiwiwi');");
    exec_statement_no_result();

    create_statement("SELECT * FROM Test WHERE id IS NOT $nul;");
    try_void(tsqlite_statement_bind_null(st, "$nul"));
    printf("executing SQL statement:\n%s\n", sqlite3_sql(st->st));
    while(true) {
        try(bool has_result, i, tsqlite_statement_execNext(st));
        if(!has_result)
            break;
        i32 column_count = sqlite3_column_count(st->st);
        str cell_str;
        printf("ROW(%i):", st->result_row);
        for(i32 i = 0; i < column_count; i++){
            try_void(tsqlite_statement_getResult_str(st, &cell_str));
            printf(" [%i]='"FMT_str"'", st->result_col, str_expand(cell_str));
        }
        printf("\n");
    };

    Return RESULT_VOID;
}

int main(){
    Deferral(32);
    
    try_fatal_void(tlibc_init());
    try_fatal_void(tsqlite_init());
    Defer(tlibc_deinit());
    Defer(tsqlite_deinit());

    try_fatal_void(test_connection());
    
    Return 0;
}