#include "otto_emoji_display.h"

#include <esp_log.h>

#include <cstring>
#include <vector>

#include "assets.h"
#include "assets/lang_config.h"
#include "display/lvgl_display/emoji_collection.h"
#include "display/lvgl_display/lvgl_image.h"
#include "display/lvgl_display/lvgl_theme.h"

#define TAG "OttoEmojiDisplay"
OttoEmojiDisplay::OttoEmojiDisplay(esp_lcd_panel_io_handle_t panel_io, esp_lcd_panel_handle_t panel, int width, int height, int offset_x, int offset_y, bool mirror_x, bool mirror_y, bool swap_xy)
    : SpiLcdDisplay(panel_io, panel, width, height, offset_x, offset_y, mirror_x, mirror_y, swap_xy) {
}

void OttoEmojiDisplay::SetupUI() {
    // Prevent duplicate calls - parent SetupUI() will also check, but check here for early return
    if (setup_ui_called_) {
        ESP_LOGW(TAG, "SetupUI() called multiple times, skipping duplicate call");
        return;
    }
    
    // Call parent SetupUI() first to create all lvgl objects
    SpiLcdDisplay::SetupUI();
    
    // Setup preview image after UI is initialized - release lock before calling SetEmotion
    // to avoid deadlock (SetEmotion also acquires DisplayLockGuard internally)
    {
        DisplayLockGuard lock(this);
        lv_obj_set_size(preview_image_, width_ , height_ );
    }

    // Set default emotion after UI is initialized
    SetEmotion("staticstate");
}

void OttoEmojiDisplay::SetupPreviewImage() {
    DisplayLockGuard lock(this);
    if (preview_image_ == nullptr) {
        ESP_LOGW(TAG, "SetupPreviewImage called but preview_image_ is nullptr (UI not initialized yet)");
        return;
    }
    lv_obj_set_size(preview_image_, width_ , height_ );
}

void OttoEmojiDisplay::InitializeOttoEmojis() {
    ESP_LOGI(TAG, "Otto表情初始化将由Assets系统处理");
    // 表情初始化已移至assets系统,通过DEFAULT_EMOJI_COLLECTION=otto-gif配置
    // assets.cc会从assets分区加载GIF表情并设置到theme
    // Note: Default emotion is now set in SetupUI() after LVGL objects are created
}

LV_FONT_DECLARE(OTTO_ICON_FONT);
void OttoEmojiDisplay::SetStatus(const char* status) {
    auto lvgl_theme = static_cast<LvglTheme*>(current_theme_);
    auto text_font = lvgl_theme->text_font()->font();
    DisplayLockGuard lock(this);
    if (!status) {
        ESP_LOGE(TAG, "SetStatus: status is nullptr");
        return;
    }

    if (strcmp(status, Lang::Strings::LISTENING) == 0) {
        lv_obj_set_style_text_font(status_label_, &OTTO_ICON_FONT, 0);
        lv_label_set_text(status_label_, "\xEF\x84\xB0");  // U+F130 麦克风图标
        lv_obj_clear_flag(status_label_, LV_OBJ_FLAG_HIDDEN);
        lv_obj_add_flag(network_label_, LV_OBJ_FLAG_HIDDEN);
        lv_obj_add_flag(battery_label_, LV_OBJ_FLAG_HIDDEN);
        return;
    } else if (strcmp(status, Lang::Strings::SPEAKING) == 0) {
        lv_obj_set_style_text_font(status_label_, &OTTO_ICON_FONT, 0);
        lv_label_set_text(status_label_, "\xEF\x80\xA8");  // U+F028 说话图标
        lv_obj_clear_flag(status_label_, LV_OBJ_FLAG_HIDDEN);
        lv_obj_add_flag(network_label_, LV_OBJ_FLAG_HIDDEN);
        lv_obj_add_flag(battery_label_, LV_OBJ_FLAG_HIDDEN);
        return;
    } else if (strcmp(status, Lang::Strings::CONNECTING) == 0) {
        lv_obj_set_style_text_font(status_label_, &OTTO_ICON_FONT, 0);
        lv_label_set_text(status_label_, "\xEF\x83\x81");  // U+F0c1 连接图标
        lv_obj_clear_flag(status_label_, LV_OBJ_FLAG_HIDDEN);
        return;
    } else if (strcmp(status, Lang::Strings::STANDBY) == 0) {
        lv_obj_set_style_text_font(status_label_, text_font, 0);
        lv_label_set_text(status_label_, "");
        lv_obj_clear_flag(status_label_, LV_OBJ_FLAG_HIDDEN);
        lv_obj_clear_flag(network_label_, LV_OBJ_FLAG_HIDDEN);
        lv_obj_clear_flag(battery_label_, LV_OBJ_FLAG_HIDDEN);
        return;
    }

    lv_obj_set_style_text_font(status_label_, text_font, 0);
    lv_label_set_text(status_label_, status);
}

void OttoEmojiDisplay::SetPreviewImage(std::unique_ptr<LvglImage> image) {
    DisplayLockGuard lock(this);
    if (preview_image_ == nullptr) {
        ESP_LOGE(TAG, "Preview image is not initialized");
        return;
    }

    if (image == nullptr) {
        esp_timer_stop(preview_timer_);
        lv_obj_remove_flag(emoji_box_, LV_OBJ_FLAG_HIDDEN);
        lv_obj_add_flag(preview_image_, LV_OBJ_FLAG_HIDDEN);
        preview_image_cached_.reset();
        if (gif_controller_) {
            gif_controller_->Start();
        }
        return;
    }

    preview_image_cached_ = std::move(image);
    auto img_dsc = preview_image_cached_->image_dsc();
    // 设置图片源并显示预览图片
    lv_image_set_src(preview_image_, img_dsc);
    lv_image_set_rotation(preview_image_, 900);
    if (img_dsc->header.w > 0 && img_dsc->header.h > 0) {
        // zoom factor 1.0
        lv_image_set_scale(preview_image_, 256 * width_ / img_dsc->header.w);
    }

    // Hide emoji_box_
    if (gif_controller_) {
        gif_controller_->Stop();
    }
    lv_obj_add_flag(emoji_box_, LV_OBJ_FLAG_HIDDEN);
    lv_obj_remove_flag(preview_image_, LV_OBJ_FLAG_HIDDEN);
    esp_timer_stop(preview_timer_);
    ESP_ERROR_CHECK(esp_timer_start_once(preview_timer_, PREVIEW_IMAGE_DURATION_MS * 1000));
}