#include <platform.h>
#include "messages.h"

#include "unit.h"
#include "order.h"

#include <CuTest.h>
#include <tests.h>

#include <assert.h>

void test_missing_message(CuTest *tc) {
    message *msg;

    test_setup();
    message_handle_missing(MESSAGE_MISSING_REPLACE);
    msg = msg_message("unknown", "unit", (unit *)NULL);
    CuAssertPtrNotNull(tc, msg);
    CuAssertPtrNotNull(tc, msg->type);
    CuAssertStrEquals(tc, msg->type->name, "missing_message");
    msg_release(msg);
    test_teardown();
}

void test_message(CuTest *tc) {
    message *msg;
    message_type *mtype;

    test_setup();
    mtype = mt_create(mt_new("custom", NULL), NULL, 0);
    CuAssertPtrEquals(tc, mtype, (void *)mt_find("custom"));
    CuAssertIntEquals(tc, 0, mtype->nparameters);
    CuAssertPtrEquals(tc, NULL, (void *)mtype->pnames);
    CuAssertPtrEquals(tc, NULL, (void *)mtype->types);
    msg = msg_message("custom", "");
    CuAssertPtrNotNull(tc, msg);
    CuAssertIntEquals(tc, 1, msg->refcount);
    CuAssertPtrEquals(tc, NULL, msg->parameters);
    CuAssertPtrEquals(tc, mtype, (void *)msg->type);

    CuAssertPtrEquals(tc, msg, msg_addref(msg));
    CuAssertIntEquals(tc, 2, msg->refcount);
    msg_release(msg);
    CuAssertIntEquals(tc, 1, msg->refcount);
    msg_release(msg);
    test_teardown();
}

static void test_merge_split(CuTest *tc) {
    message_list *mlist = 0, *append = 0;
    struct mlist **split; /* TODO: why is this a double asterisk? */
    message_type *mtype;
    message *msg;

    test_setup();
    mtype = mt_create(mt_new("custom", NULL), NULL, 0);
    add_message(&mlist, msg = msg_message(mtype->name, ""));
    msg_release(msg);
    add_message(&append, msg = msg_message(mtype->name, ""));
    msg_release(msg);

    CuAssertPtrEquals(tc, NULL, mlist->begin->next);
    CuAssertPtrEquals(tc, &mlist->begin->next, mlist->end);
    split = merge_messages(mlist, append);
    CuAssertPtrNotNull(tc, split);
    CuAssertPtrEquals(tc, &mlist->begin->next, split);
    CuAssertPtrEquals(tc, append->end, mlist->end);
    CuAssertPtrNotNull(tc, mlist->begin->next);
    CuAssertPtrEquals(tc, append->begin, mlist->begin->next);
    split_messages(mlist, split);
    CuAssertPtrEquals(tc, NULL, mlist->begin->next);
    free_messagelist(*split);
    free_messagelist(mlist->begin);
    free(mlist);
    free_messagelist(append->begin);
    free(append);
    test_teardown();
}

static void test_noerror(CuTest *tc) {
    unit *u;
    struct locale *lang;
    message *msg;

    test_setup();
    lang = test_create_locale();
    u = test_create_unit(test_create_faction(NULL), test_create_region(0, 0, NULL));
    u->thisorder = parse_order("!@move", lang);
    CuAssertIntEquals(tc, K_MOVE | CMD_QUIET | CMD_PERSIST,  u->thisorder->command);
    CuAssertTrue(tc, !is_persistent(u->thisorder));
    CuAssertPtrEquals(tc, NULL, msg = msg_error(u, u->thisorder, 100));
    assert(!msg);
    CuAssertPtrEquals(tc, NULL, msg = msg_feedback(u, u->thisorder, "error_unit_not_found", NULL));
    assert(!msg);
    test_teardown();
}

CuSuite *get_messages_suite(void) {
    CuSuite *suite = CuSuiteNew();
    SUITE_ADD_TEST(suite, test_missing_message);
    SUITE_ADD_TEST(suite, test_merge_split);
    SUITE_ADD_TEST(suite, test_message);
    SUITE_ADD_TEST(suite, test_noerror);
    return suite;
}