#include <stdlib.h>
#include <string.h>

#include "eve.h"
#include "eve_kbd.h"
#include "eve_font.h"

#include "screen/window.h"
#include "screen/page.h"

#include "widget.h"

int eve_pagew_init(EVEPageWidget *widget, EVERect *g, EVEPage *page, EVEFont *font, char *title, eve_view_constructor_t constructor) {
    EVEWidget *_widget = &widget->w;
    int title_w, rv;

    rv = eve_font_verify(font, title, 0, &title_w, NULL);
    if (rv) return rv;

    memset(widget, 0, sizeof(EVEPageWidget));
    eve_widget_init(_widget, EVE_WIDGET_TYPE_PAGE, g, page, eve_pagew_draw, eve_pagew_touch, NULL);
    widget->font = font;
    widget->title = title;
    widget->constructor = constructor;
    if (_widget->g.h == 0) _widget->g.h = eve_font_h(widget->font);
    if (_widget->g.w == 0) _widget->g.w = title_w;

    return EVE_OK;
}

int eve_pagew_create(EVEWidget *_widget, EVEWidgetSpec *spec, EVEPage *page) {
    EVEPageWidget *widget = (EVEPageWidget *)_widget;
    EVEPageSpec *tspec = &spec->tspec.page;
    EVEFont *font = tspec->font ? tspec->font : eve_window_font(page->v.window);
    int rv;

    rv = eve_pagew_init(widget, &spec->g, page, font, tspec->title, tspec->constructor);
    return rv;
}

uint8_t eve_pagew_draw(EVEWidget *_widget, uint8_t tag0) {
    EVEPageWidget *widget = (EVEPageWidget *)_widget;

    _widget->tag0 = tag0;
    if (tag0 != EVE_NOTAG) {
        eve_cmd_dl(TAG(tag0));
        tag0++;
    }
    _widget->tagN = tag0;

    eve_cmd(CMD_TEXT, "hhhhs", _widget->g.x, _widget->g.y, widget->font->id, 0, widget->title);

    return _widget->tagN;
}

int eve_pagew_touch(EVEWidget *_widget, EVETouch *touch, uint16_t evt) {
    EVEPage *parent = _widget->page;
    EVEPageWidget *widget = (EVEPageWidget *)_widget;

    /* widget received non-touch event, always return 0 */
    if (evt & EVE_TOUCH_ETYPE_EXT) return 0;

    if (evt & EVE_TOUCH_ETYPE_TAG_UP) {
        eve_page_open(parent, widget->constructor);
        return 1;
    }

    return 0;
}