#include "settings_tabs.h"

#include "ui_handlers.h"

static lv_obj_t *s_notif_switch;
static lv_obj_t *s_brightness_slider;
static lv_obj_t *s_brightness_pct_label;
static lv_obj_t *s_volume_slider;
static lv_obj_t *s_mute_switch;

static lv_obj_t *create_status_bar(lv_obj_t *content, const char *title)
{
    lv_obj_t *status_bar = lv_obj_create(content);
    lv_obj_set_size(status_bar, 230, 25);
    lv_obj_set_pos(status_bar, 0, 0);
    lv_obj_set_style_pad_all(status_bar, 2, 0);
    lv_obj_set_style_border_width(status_bar, 1, 0);
    lv_obj_set_style_border_side(status_bar, LV_BORDER_SIDE_BOTTOM, 0);
    lv_obj_remove_flag(status_bar, LV_OBJ_FLAG_SCROLLABLE);

    lv_obj_t *title_label = lv_label_create(status_bar);
    lv_label_set_text(title_label, title);
    lv_obj_align(title_label, LV_ALIGN_LEFT_MID, 2, 0);

    lv_obj_t *time_label = lv_label_create(status_bar);
    lv_label_set_text(time_label, "--:--");
    lv_obj_align(time_label, LV_ALIGN_RIGHT_MID, -2, 0);

    return status_bar;
}

static lv_obj_t *create_settings_body(lv_obj_t *content)
{
    lv_obj_t *body = lv_obj_create(content);
    lv_obj_set_size(body, 230, 145);
    lv_obj_set_pos(body, 0, 25);
    lv_obj_set_style_pad_all(body, 2, 0);
    lv_obj_set_style_border_width(body, 0, 0);
    lv_obj_remove_flag(body, LV_OBJ_FLAG_SCROLLABLE);
    return body;
}

void load_system_settings(lv_obj_t *content, const settings_data_t *data)
{
    s_notif_switch = NULL;

    create_status_bar(content, "System Settings");
    lv_obj_t *body = create_settings_body(content);

    lv_obj_t *notif_label = lv_label_create(body);
    lv_label_set_text(notif_label, "Enable Notification");
    lv_obj_set_pos(notif_label, 4, 4);
    lv_obj_set_size(notif_label, 120, 28);

    s_notif_switch = lv_switch_create(body);
    lv_obj_set_pos(s_notif_switch, 180, 4);
    lv_obj_set_size(s_notif_switch, 40, 28);
    if (data->notification_enabled) {
        lv_obj_add_state(s_notif_switch, LV_STATE_CHECKED);
    }
    lv_obj_add_event_cb(s_notif_switch, settings_on_value_changed,
                        LV_EVENT_VALUE_CHANGED,
                        (void *)(intptr_t)SETTINGS_FIELD_NOTIFICATION);

    lv_obj_t *reset_btn = lv_button_create(body);
    lv_obj_set_pos(reset_btn, 4, 112);
    lv_obj_set_size(reset_btn, 100, 28);
    lv_obj_set_style_text_color(reset_btn, lv_palette_main(LV_PALETTE_RED), 0);
    lv_obj_t *reset_label = lv_label_create(reset_btn);
    lv_label_set_text(reset_label, "Factory Reset");
    lv_obj_center(reset_label);
    lv_obj_add_event_cb(reset_btn, settings_on_factory_reset, LV_EVENT_CLICKED,
                        NULL);
}

void load_display_settings(lv_obj_t *content, const settings_data_t *data)
{
    s_brightness_slider = NULL;
    s_brightness_pct_label = NULL;

    create_status_bar(content, "Display Settings");
    lv_obj_t *body = create_settings_body(content);

    lv_obj_t *bright_label = lv_label_create(body);
    lv_label_set_text(bright_label, "Brightness");
    lv_obj_set_pos(bright_label, 4, 4);
    lv_obj_set_size(bright_label, 80, 28);

    s_brightness_slider = lv_slider_create(body);
    lv_obj_set_pos(s_brightness_slider, 88, 8);
    lv_obj_set_size(s_brightness_slider, 100, 12);
    lv_slider_set_range(s_brightness_slider, 0, 100);
    lv_slider_set_value(s_brightness_slider, data->brightness_pct, LV_ANIM_OFF);

    s_brightness_pct_label = lv_label_create(body);
    lv_label_set_text_fmt(s_brightness_pct_label, "%u%%", data->brightness_pct);
    lv_obj_set_pos(s_brightness_pct_label, 196, 4);
    lv_obj_set_size(s_brightness_pct_label, 30, 28);

    lv_obj_set_user_data(s_brightness_slider, s_brightness_pct_label);
    lv_obj_add_event_cb(s_brightness_slider, settings_on_brightness_changed,
                        LV_EVENT_VALUE_CHANGED, NULL);
}

void load_audio_settings(lv_obj_t *content, const settings_data_t *data)
{
    s_volume_slider = NULL;
    s_mute_switch = NULL;

    create_status_bar(content, "Audio Settings");
    lv_obj_t *body = create_settings_body(content);

    lv_obj_t *vol_label = lv_label_create(body);
    lv_label_set_text(vol_label, "Volume");
    lv_obj_set_pos(vol_label, 4, 4);
    lv_obj_set_size(vol_label, 80, 28);

    s_volume_slider = lv_slider_create(body);
    lv_obj_set_pos(s_volume_slider, 88, 8);
    lv_obj_set_size(s_volume_slider, 100, 12);
    lv_slider_set_range(s_volume_slider, 0, 100);
    lv_slider_set_value(s_volume_slider, data->volume_pct, LV_ANIM_OFF);
    lv_obj_add_event_cb(s_volume_slider, settings_on_value_changed,
                        LV_EVENT_VALUE_CHANGED,
                        (void *)(intptr_t)SETTINGS_FIELD_VOLUME);

    lv_obj_t *mute_label = lv_label_create(body);
    lv_label_set_text(mute_label, "Mute");
    lv_obj_set_pos(mute_label, 4, 40);
    lv_obj_set_size(mute_label, 80, 28);

    s_mute_switch = lv_switch_create(body);
    lv_obj_set_pos(s_mute_switch, 180, 40);
    lv_obj_set_size(s_mute_switch, 40, 28);
    if (data->mute) {
        lv_obj_add_state(s_mute_switch, LV_STATE_CHECKED);
    }
    lv_obj_add_event_cb(s_mute_switch, settings_on_value_changed,
                        LV_EVENT_VALUE_CHANGED,
                        (void *)(intptr_t)SETTINGS_FIELD_MUTE);
}

void load_network_settings(lv_obj_t *content, const settings_data_t *data)
{
    (void)data;

    create_status_bar(content, "Network Settings");
    lv_obj_t *body = create_settings_body(content);

    lv_obj_t *wifi_label = lv_label_create(body);
    lv_label_set_text(wifi_label, "WiFi: Disabled");
    lv_obj_set_pos(wifi_label, 4, 4);
    lv_obj_set_size(wifi_label, 140, 28);

    lv_obj_t *scan_btn = lv_button_create(body);
    lv_obj_set_pos(scan_btn, 4, 40);
    lv_obj_set_size(scan_btn, 80, 28);
    lv_obj_t *scan_label = lv_label_create(scan_btn);
    lv_label_set_text(scan_label, "Scan");
    lv_obj_center(scan_label);
    lv_obj_add_event_cb(scan_btn, settings_on_network_scan_clicked,
                        LV_EVENT_CLICKED, NULL);
}

void settings_tabs_collect(settings_tab_t tab, settings_data_t *out)
{
    switch (tab) {
    case SETTINGS_TAB_SYSTEM:
        if (s_notif_switch != NULL) {
            out->notification_enabled =
                lv_obj_has_state(s_notif_switch, LV_STATE_CHECKED);
        }
        break;
    case SETTINGS_TAB_DISPLAY:
        if (s_brightness_slider != NULL) {
            out->brightness_pct =
                (uint8_t)lv_slider_get_value(s_brightness_slider);
        }
        break;
    case SETTINGS_TAB_AUDIO:
        if (s_volume_slider != NULL) {
            out->volume_pct = (uint8_t)lv_slider_get_value(s_volume_slider);
        }
        if (s_mute_switch != NULL) {
            out->mute = lv_obj_has_state(s_mute_switch, LV_STATE_CHECKED);
        }
        break;
    case SETTINGS_TAB_NETWORK:
        break;
    default:
        LV_ASSERT_MSG(false, "unexpected settings_tab_t");
        break;
    }
}