#include "test_common.h"

#include <string.h>

#include "../src/Drv/key.h"
#include "../src/Drv/menu/presenter/menu_navigator.h"

static int g_exec_count = 0;

static int on_exec(void)
{
    g_exec_count++;
    return 0;
}

static void build_two_level(MenuNavState *nav, tagMenuItem *root, tagMenuItem *child_a, tagMenuItem *child_b)
{
    memset(nav, 0, sizeof(*nav));
    memset(root, 0, sizeof(*root));
    memset(child_a, 0, sizeof(*child_a));
    memset(child_b, 0, sizeof(*child_b));

    root->byClass = 0;
    root->wPos = 1;
    root->ptLower = child_a;
    root->ptBefore = root;
    root->ptBehind = root;

    child_a->byClass = 1;
    child_a->wPos = 1;
    child_a->ptHigher = root;
    child_a->ptBefore = child_b;
    child_a->ptBehind = child_b;
    child_a->pfnWinProc = on_exec;

    child_b->byClass = 1;
    child_b->wPos = 2;
    child_b->ptHigher = root;
    child_b->ptBefore = child_a;
    child_b->ptBehind = child_a;
    child_b->pfnWinProc = on_exec;

    nav->ptHead = root;
    nav->ptCurrent = child_a;
    nav->ptCurBak = child_a;
    nav->ptRoute[0] = root;
    nav->ptRoute[1] = child_a;
}

int main(void)
{
    MenuNavState nav;
    tagMenuItem root;
    tagMenuItem a;
    tagMenuItem b;
    MenuNavResult result;

    build_two_level(&nav, &root, &a, &b);

    result = MenuNavigator_ProcessKey(&nav, KEY_D);
    ASSERT_EQ_INT(1, result.needRefresh);
    ASSERT_TRUE(nav.ptCurrent == &b);

    result = MenuNavigator_ProcessKey(&nav, KEY_U);
    ASSERT_EQ_INT(1, result.needRefresh);
    ASSERT_TRUE(nav.ptCurrent == &a);

    g_exec_count = 0;
    result = MenuNavigator_ProcessKey(&nav, KEY_ENT);
    ASSERT_EQ_INT(0, result.needRefresh);
    ASSERT_EQ_INT(1, g_exec_count);

    result = MenuNavigator_ProcessKey(&nav, KEY_ESC);
    ASSERT_EQ_INT(1, result.skipRenderThisRound);
    ASSERT_TRUE(nav.ptCurrent == root.ptLower);
    ASSERT_TRUE(nav.ptRoute[0] == &root);

    return 0;
}