#ifdef _MSC_VER
#include <platform.h>
#endif

#include "automate.h"

#include "kernel/faction.h"
#include "kernel/order.h"
#include "kernel/region.h"
#include "kernel/unit.h"

#include "util/message.h"

#include "tests.h"

#include <CuTest.h>

static void test_autostudy_init(CuTest *tc) {
    scholar scholars[4];
    unit *u1, *u2, *u3, *u4, *u5, *ulist;
    faction *f;
    region *r;

    test_setup();
    mt_create_error(77);
    mt_create_error(771);

    r = test_create_plain(0, 0);
    f = test_create_faction(NULL);
    u1 = test_create_unit(f, r);
    u1->thisorder = create_order(K_AUTOSTUDY, f->locale, skillnames[SK_ENTERTAINMENT]);
    test_create_unit(f, r);
    u2 = test_create_unit(f, r);
    u2->thisorder = create_order(K_AUTOSTUDY, f->locale, skillnames[SK_ENTERTAINMENT]);
    set_level(u2, SK_ENTERTAINMENT, 2);
    u3 = test_create_unit(f, r);
    u3->thisorder = create_order(K_AUTOSTUDY, f->locale, skillnames[SK_PERCEPTION]);
    u4 = test_create_unit(f, r);
    u4->thisorder = create_order(K_AUTOSTUDY, f->locale, "Dudelidu");
    u5 = test_create_unit(test_create_faction(NULL), r);
    u5->thisorder = create_order(K_AUTOSTUDY, f->locale, skillnames[SK_PERCEPTION]);
    scholars[3].u = NULL;
    ulist = r->units;
    CuAssertIntEquals(tc, 3, autostudy_init(scholars, 4, &ulist));
    CuAssertPtrNotNull(tc, test_find_messagetype(u4->faction->msgs, "error77"));
    CuAssertPtrEquals(tc, u2, scholars[0].u);
    CuAssertIntEquals(tc, 2, scholars[0].level);
    CuAssertIntEquals(tc, 0, scholars[0].learn);
    CuAssertIntEquals(tc, SK_ENTERTAINMENT, scholars[0].sk);
    CuAssertPtrEquals(tc, u1, scholars[1].u);
    CuAssertIntEquals(tc, 0, scholars[1].level);
    CuAssertIntEquals(tc, 0, scholars[1].learn);
    CuAssertIntEquals(tc, SK_ENTERTAINMENT, scholars[1].sk);
    CuAssertPtrEquals(tc, u3, scholars[2].u);
    CuAssertIntEquals(tc, 0, scholars[2].level);
    CuAssertIntEquals(tc, 0, scholars[2].learn);
    CuAssertIntEquals(tc, SK_PERCEPTION, scholars[2].sk);
    CuAssertPtrEquals(tc, NULL, scholars[3].u);
    CuAssertPtrEquals(tc, u5, ulist);
    CuAssertIntEquals(tc, 1, autostudy_init(scholars, 4, &ulist));
    CuAssertPtrEquals(tc, u5, scholars[0].u);
    CuAssertIntEquals(tc, 0, scholars[0].level);
    CuAssertIntEquals(tc, 0, scholars[0].learn);
    CuAssertIntEquals(tc, SK_PERCEPTION, scholars[0].sk);
    CuAssertPtrEquals(tc, NULL, ulist);
    test_teardown();
}

/**
 * Reproduce Bug 2520
 */
static void test_autostudy_run_twoteachers(CuTest *tc) {
    scholar scholars[4];
    int nscholars;
    unit *u1, *u2, *u3, *u4, *ulist;
    faction *f;
    region *r;

    test_setup();
    r = test_create_plain(0, 0);
    f = test_create_faction(NULL);
    u1 = test_create_unit(f, r);
    set_level(u1, SK_ENTERTAINMENT, 2);
    u1->thisorder = create_order(K_AUTOSTUDY, f->locale, skillnames[SK_ENTERTAINMENT]);
    u2 = test_create_unit(f, r);
    set_level(u2, SK_ENTERTAINMENT, 2);
    u2->thisorder = create_order(K_AUTOSTUDY, f->locale, skillnames[SK_ENTERTAINMENT]);

    u3 = test_create_unit(f, r);
    u3->thisorder = create_order(K_AUTOSTUDY, f->locale, skillnames[SK_ENTERTAINMENT]);
    set_number(u3, 8);
    u4 = test_create_unit(f, r);
    u4->thisorder = create_order(K_AUTOSTUDY, f->locale, skillnames[SK_ENTERTAINMENT]);
    set_number(u4, 12);

    ulist = r->units;
    CuAssertIntEquals(tc, 4, nscholars = autostudy_init(scholars, 4, &ulist));
    CuAssertPtrEquals(tc, NULL, ulist);
    autostudy_run(scholars, nscholars);
    CuAssertIntEquals(tc, 0, scholars[0].learn);
    CuAssertIntEquals(tc, 0, scholars[1].learn);
    CuAssertIntEquals(tc, scholars[2].u->number * 2, scholars[2].learn);
    CuAssertIntEquals(tc, scholars[3].u->number * 2, scholars[3].learn);

    test_teardown();
}

static void test_autostudy_run(CuTest *tc) {
    scholar scholars[4];
    int nscholars;
    unit *u1, *u2, *u3, *ulist;
    faction *f;
    region *r;

    test_setup();
    r = test_create_plain(0, 0);
    f = test_create_faction(NULL);
    u1 = test_create_unit(f, r);
    u1->thisorder = create_order(K_AUTOSTUDY, f->locale, skillnames[SK_ENTERTAINMENT]);
    set_number(u1, 2);
    set_level(u1, SK_ENTERTAINMENT, 2);
    u2 = test_create_unit(f, r);
    u2->thisorder = create_order(K_AUTOSTUDY, f->locale, skillnames[SK_ENTERTAINMENT]);
    set_number(u2, 10);
    u3 = test_create_unit(f, r);
    u3->thisorder = create_order(K_AUTOSTUDY, f->locale, skillnames[SK_PERCEPTION]);
    set_number(u3, 15);
    scholars[3].u = NULL;
    ulist = r->units;
    CuAssertIntEquals(tc, 3, nscholars = autostudy_init(scholars, 4, &ulist));
    CuAssertPtrEquals(tc, NULL, ulist);
    autostudy_run(scholars, nscholars);
    CuAssertIntEquals(tc, 1, scholars[0].learn);
    CuAssertIntEquals(tc, 20, scholars[1].learn);
    CuAssertIntEquals(tc, 15, scholars[2].learn);
    test_teardown();
}

static void test_autostudy_run_noteachers(CuTest *tc) {
    scholar scholars[4];
    int nscholars;
    unit *u1, *u2, *u3, *ulist;
    faction *f;
    region *r;

    test_setup();
    r = test_create_plain(0, 0);
    f = test_create_faction(NULL);
    u1 = test_create_unit(f, r);
    u1->thisorder = create_order(K_AUTOSTUDY, f->locale, skillnames[SK_LUMBERJACK]);
    set_number(u1, 2);
    set_level(u1, SK_ENTERTAINMENT, 2);
    u2 = test_create_unit(f, r);
    u2->thisorder = create_order(K_AUTOSTUDY, f->locale, skillnames[SK_ENTERTAINMENT]);
    set_number(u2, 10);
    u3 = test_create_unit(f, r);
    u3->thisorder = create_order(K_AUTOSTUDY, f->locale, skillnames[SK_PERCEPTION]);
    set_number(u3, 15);
    scholars[3].u = NULL;
    ulist = r->units;
    CuAssertIntEquals(tc, 3, nscholars = autostudy_init(scholars, 4, &ulist));
    CuAssertPtrEquals(tc, NULL, ulist);
    autostudy_run(scholars, nscholars);
    CuAssertIntEquals(tc, 2, scholars[0].learn);
    CuAssertIntEquals(tc, 10, scholars[1].learn);
    CuAssertIntEquals(tc, 15, scholars[2].learn);
    test_teardown();
}

/**
 * If a teacher unit doesn't have enough students, the remaining members study.
 */
static void test_autostudy_run_teachers_learn(CuTest *tc) {
    scholar scholars[4];
    int nscholars;
    unit *u1, *u2, *ulist;
    faction *f;
    region *r;

    test_setup();
    r = test_create_plain(0, 0);
    f = test_create_faction(NULL);
    u1 = test_create_unit(f, r);
    u1->thisorder = create_order(K_AUTOSTUDY, f->locale, skillnames[SK_ENTERTAINMENT]);
    set_number(u1, 2);
    set_level(u1, SK_ENTERTAINMENT, 2);
    u2 = test_create_unit(f, r);
    u2->thisorder = create_order(K_AUTOSTUDY, f->locale, skillnames[SK_ENTERTAINMENT]);
    set_number(u2, 10);
    ulist = r->units;
    CuAssertIntEquals(tc, 2, nscholars = autostudy_init(scholars, 4, &ulist));
    CuAssertPtrEquals(tc, NULL, ulist);
    autostudy_run(scholars, nscholars);
    CuAssertIntEquals(tc, 1, scholars[0].learn);
    CuAssertIntEquals(tc, 20, scholars[1].learn);
    test_teardown();
}

/**
 * Reproduce Bug 2514
 */
static void test_autostudy_run_skilldiff(CuTest *tc) {
    scholar scholars[4];
    int nscholars;
    unit *u1, *u2, *u3, *ulist;
    faction *f;
    region *r;

    test_setup();
    r = test_create_plain(0, 0);
    f = test_create_faction(NULL);
    u1 = test_create_unit(f, r);
    u1->thisorder = create_order(K_AUTOSTUDY, f->locale, skillnames[SK_PERCEPTION]);
    set_number(u1, 1);
    set_level(u1, SK_PERCEPTION, 2);
    u2 = test_create_unit(f, r);
    u2->thisorder = create_order(K_AUTOSTUDY, f->locale, skillnames[SK_PERCEPTION]);
    set_number(u2, 10);
    set_level(u2, SK_PERCEPTION, 1);
    u3 = test_create_unit(f, r);
    u3->thisorder = create_order(K_AUTOSTUDY, f->locale, skillnames[SK_PERCEPTION]);
    set_number(u3, 10);
    scholars[3].u = NULL;
    ulist = r->units;
    CuAssertIntEquals(tc, 3, nscholars = autostudy_init(scholars, 4, &ulist));
    CuAssertPtrEquals(tc, NULL, ulist);
    autostudy_run(scholars, nscholars);
    CuAssertIntEquals(tc, 0, scholars[0].learn);
    CuAssertIntEquals(tc, 20, scholars[2].learn);
    CuAssertIntEquals(tc, 10, scholars[1].learn);
    test_teardown();
}

CuSuite *get_automate_suite(void)
{
    CuSuite *suite = CuSuiteNew();
    SUITE_ADD_TEST(suite, test_autostudy_init);
    SUITE_ADD_TEST(suite, test_autostudy_run);
    SUITE_ADD_TEST(suite, test_autostudy_run_noteachers);
    SUITE_ADD_TEST(suite, test_autostudy_run_teachers_learn);
    SUITE_ADD_TEST(suite, test_autostudy_run_twoteachers);
    SUITE_ADD_TEST(suite, test_autostudy_run_skilldiff);
    return suite;
}