/* ui/home/home.c — 主页（ACT_HOME）view + 控制器（批次③ 目录嵌套后）。
 *
 * 负责 home 控件（TAP ME / 6 通知行 / CANCEL LAST / FULLSCREEN / WIDGETS DEMO）+ 手绘（非注册表
 * 路径，batch① 仅 demo 迁注册表，home 保持命令式 draw+flush）+ 命中分发 + 业务监听（logic 推送）。
 * UI→业务只经 logic_taps_bump()/notif_send()/notif_cancel()；业务变化经 logic_set_listener 回调
 * home_state_listener 刷新（契约 ①②）。导航到 demo/full 经 meow_view_page_push（单一入口）。
 */
#include "hello_internal.h"
#include <stdio.h>
#include <string.h>

static home_ctrl g_home_ctrl;

/* ---- home 既有控件 ---- */
static meow_widget *g_btn;
static meow_widget *g_nbtn[6];      /* 通知触发按钮行 */
static meow_widget *g_cancel;       /* 取消最近一条通知 */
static meow_widget *g_fs_btn;       /* FULLSCREEN 进入按钮（主界面） */
static meow_widget *g_demo_btn;     /* 「控件库 Demo」入口按钮（主界面） */
static const char *g_notif_labels[6] = { "INFO", "MEDIA", "HIGH", "PROG", "ONGO", "TGT" };
static char g_btn_label[32] = "TAP ME";

void home_redraw(void)
{
    const meow_theme *th = meow_theme_get();
    int sb = meow_ui_statusbar_height();
    if (sb > 0) meow_ui_fill_rect(0, sb, 480, 720 - sb, th->bg);
    else        meow_ui_clear(th->bg);
    meow_ui_text_center(240, sb + 8, "MEOWOS HELLO", 28, th->fg);
    meow_ui_text_center(240, sb + 38, "SDK: meow_ui.a", 20, th->dim);
    meow_widget_draw(g_btn);
    meow_ui_text_center(240, 372, "tap = send notification (see log)", 20, th->dim);
    for (int i = 0; i < 6; i++) meow_widget_draw(g_nbtn[i]);
    meow_widget_draw(g_cancel);
    meow_widget_draw(g_fs_btn);
    meow_widget_draw(g_demo_btn);
    char line[64];
    snprintf(line, sizeof line, "taps=%d   uptime=%ds", logic_taps_get(), logic_secs_get());
    meow_ui_text_center(240, 516, line, 20, th->dim);
    meow_ui_text(20, 660, "left-swipe = exit", 20, th->dim);
    meow_ui_flush();
}

/* 业务→UI 监听器：taps 变化 → 重建按钮 label；secs 变化 → 重绘（仅本页在前台时，否则只改业务
 * 不覆写全屏帧——例如全屏态下 logic_secs_add 仍触发，但本页 active=0 跳过 redraw）。 */
static void home_state_listener(int ev, void *ctx)
{
    home_ctrl *c = (home_ctrl *)ctx;
    if (ev == LOGIC_EV_TAPS) {
        char lb[32];
        snprintf(lb, sizeof lb, "TAPPED x%d", logic_taps_get());
        meow_widget_free(g_btn);
        g_btn = meow_btn_create(120, 300, 240, 64, lb);
    }
    if (!c->active) return;   /* 本页不在前台（全屏）：不覆写当前帧 */
    home_redraw();
}

int home_on_tap(int x, int y)
{
    if (meow_widget_hit(g_demo_btn, x, y)) { meow_view_page_push(ACT_DEMO); return 1; }
    for (int i = 0; i < 6; i++) {
        if (meow_widget_hit(g_nbtn[i], x, y)) { notif_send(i); home_redraw(); return 1; }
    }
    if (meow_widget_hit(g_cancel, x, y)) { notif_cancel(); home_redraw(); return 1; }
    if (meow_widget_hit(g_fs_btn, x, y)) { meow_view_page_push(ACT_FULL); return 1; }
    if (meow_widget_hit(g_btn, x, y)) { logic_taps_bump(); return 1; }
    return 0;
}

static void home_page_create(meow_view *v, void *ctx)
{
    (void)v;
    ((home_ctrl *)ctx)->view = v;
    g_btn = meow_btn_create(120, 300, 240, 64, g_btn_label);
    for (int i = 0; i < 6; i++)
        g_nbtn[i] = meow_btn_create(3 + i * 80, 400, 74, 56, g_notif_labels[i]);
    g_cancel  = meow_btn_create(36, 464, 200, 42, "CANCEL LAST");
    g_fs_btn  = meow_btn_create(244, 464, 200, 42, "FULLSCREEN");
    g_demo_btn = meow_btn_create(36, 560, 408, 44, "WIDGETS DEMO");
    /* 注册业务→UI 推送监听器（biz-UI 绑定点 = 本页控制器 ctx）。 */
    logic_set_listener(home_state_listener, ctx);
}

static void home_page_enter(meow_view *v, void *ctx)
{
    (void)v;
    ((home_ctrl *)ctx)->active = 1;
    hello_nav_report();       /* ① 上报 home 栈深/顶层（pop 回 home / 首次进入） */
    home_redraw();
}

static void home_page_leave(meow_view *v, void *ctx)
{
    (void)v;
    ((home_ctrl *)ctx)->active = 0;   /* 默认不销毁子控件；弹回时 on_enter 重绘恢复 */
}

static void home_page_destroy(meow_view *v, void *ctx)
{
    (void)v; (void)ctx;
    meow_widget_free(g_demo_btn);
    for (int i = 0; i < 6; i++) meow_widget_free(g_nbtn[i]);
    meow_widget_free(g_cancel);
    meow_widget_free(g_fs_btn);
    meow_widget_free(g_btn);
    g_btn = g_cancel = g_fs_btn = g_demo_btn = NULL;
    for (int i = 0; i < 6; i++) g_nbtn[i] = NULL;
}

meow_view *home_view_create(void)
{
    static const meow_view_hooks h = {
        .on_create  = home_page_create,
        .on_enter   = home_page_enter,
        .on_leave   = home_page_leave,
        .on_destroy = home_page_destroy,
    };
    return meow_view_create(ACT_HOME, MEOW_VIEW_ACTIVITY, &h, &g_home_ctrl);
}