/*
 * mui_mui_loadbin.c
 *
 * Copyright (C) 2023 Michel Pollet <buserror@gmail.com>
 *
 * SPDX-License-Identifier: MIT
 */

#include <stdio.h>
#include <stdlib.h>
#include <libgen.h>
#include "mui.h"

#include "mii_mui_settings.h"

enum {
	MII_LBIN_WINDOW_ID 		= FCC('l','b','i','n'),
	MII_LBIN_SAVE 			= FCC('s','a','v','e'),
	MII_LBIN_CANCEL 		= FCC('c','a','n','c'),
	MII_LBIN_SELECT 		= FCC('s','e','l','e'),
};


typedef struct mii_mui_loadbin_t {
	mui_window_t			win;
	mui_control_t * 		load, *icon, *fname;
	mii_loadbin_conf_t *	dst, config;
} mii_mui_loadbin_t;

static int
_mii_loadbin_stdfile_cb(
		mui_window_t *	w,
		void * 			cb_param, // mii_mui_loadbin_t
		uint32_t 		what,
		void * 			param)	// not used
{
	mii_mui_loadbin_t * m = cb_param;
	switch (what) {
		case MUI_STDF_ACTION_SELECT: {
			char * path = mui_stdfile_get_selected_path(w);
			printf("%s select %s\n", __func__, path);
			mui_control_set_state(m->fname, MUI_CONTROL_STATE_NORMAL);
			char *dup = strdup(path);
			mui_control_set_title(m->fname, basename(dup));
			free(dup);
			mui_control_set_state(m->icon, MUI_CONTROL_STATE_NORMAL);
			mui_control_set_state(m->load, MUI_CONTROL_STATE_NORMAL);
			mui_window_dispose(w);
		}	break;
		case MUI_STDF_ACTION_CANCEL:
			printf("%s cancel\n", __func__);
			mui_window_dispose(w);
			break;
	}
	return 0;
}

static int
_mii_loadbin_action_cb(
		mui_control_t * c,
		void * 			cb_param, // mii_mui_loadbin_t
		uint32_t 		what,
		void * 			param)	// not used
{
	printf("%s %4.4s\n", __func__, (char*)&what);
	mii_mui_loadbin_t * m = cb_param;
	uint32_t uid = mui_control_get_uid(c);

	switch (what) {
		case MUI_CONTROL_ACTION_SELECT:
			printf("%s control %4.4s\n", __func__, (char*)&uid);
			switch (uid) {
				case MII_LBIN_SAVE: {
					// save the config
					printf("%s save\n", __func__);
					if (m->dst)
						*m->dst = m->config;
					mui_window_action(&m->win, MII_MUI_LOADBIN_SAVE, m->dst);
					mui_window_dispose(&m->win);
				}	break;
				case MII_LBIN_CANCEL: {
					// cancel the config
					printf("%s cancel\n", __func__);
					mui_window_dispose(&m->win);
				}	break;
				case MII_LBIN_SELECT: {
					// select a file
					printf("%s select\n", __func__);
					mui_window_t * w = mui_stdfile_get(m->win.ui,
						C2_PT(0, 0),
						"Select a .bin file to run",
						"\\.(bin|rom)$",
						getenv("HOME"),
						MUI_STDF_FLAG_REGEXP);
					mui_window_set_action(w, _mii_loadbin_stdfile_cb, m);
				}	break;
			}
			break;
	}
	return 0;
}

struct mui_window_t *
mii_mui_load_binary(
		struct mui_t *mui,
		mii_loadbin_conf_t *config)
{
	mui_t *ui = mui;
	float base_size = mui_font_find(ui, "main")->size;
	float margin = base_size * 0.7;
	mui_window_t *w = mui_window_get_by_id(mui, MII_LBIN_WINDOW_ID);
	if (w) {
		mui_window_select(w);
		return w;
	}
	c2_pt_t where = {};
	c2_rect_t wpos = C2_RECT_WH(where.x, where.y, 480, 294);
	if (where.x == 0 && where.y == 0)
		c2_rect_offset(&wpos,
			(ui->screen_size.x / 2) - (c2_rect_width(&wpos) / 2),
			(ui->screen_size.y * 0.4) - (c2_rect_height(&wpos) / 2));
	w = mui_window_create(mui,
					wpos,
					NULL, 0,
					"Load&Run Binary File",
					sizeof(mii_mui_loadbin_t));
	mui_window_set_id(w, MII_LBIN_WINDOW_ID);
	mii_mui_loadbin_t * m = (mii_mui_loadbin_t*)w;
	m->dst = config;

	mui_control_t * c = NULL;
	c2_rect_t cf;
	cf = C2_RECT_WH(0, 0, base_size * 4, base_size * 1.4);
	c2_rect_left_of(&cf, c2_rect_width(&w->content), margin);
	c2_rect_top_of(&cf, c2_rect_height(&w->content), margin);
	m->load = c = mui_button_new(w,
					cf, MUI_BUTTON_STYLE_DEFAULT,
					"Load", MII_LBIN_SAVE);
	c->key_equ = MUI_KEY_EQU(0, 13);
	c->state = MUI_CONTROL_STATE_DISABLED;
	c2_rect_left_of(&cf, cf.l, margin);
	c = mui_button_new(w,
					cf, MUI_BUTTON_STYLE_NORMAL,
					"Cancel", MII_LBIN_CANCEL);
	c->key_equ = MUI_KEY_EQU(0, 27);

	c2_rect_right_of(&cf, 0, margin);
	c = mui_button_new(w,
					cf, MUI_BUTTON_STYLE_NORMAL,
					"Select…" , MII_LBIN_SELECT);
	c->key_equ = MUI_KEY_EQU(MUI_MODIFIER_ALT, 's');

	cf.b = cf.t + base_size;
	c2_rect_top_of(&cf, cf.t, margin);
	c2_rect_right_of(&cf, 0, margin);
	cf.r = cf.l + 200;
	c = mui_button_new(w,
					cf, MUI_BUTTON_STYLE_CHECKBOX,
					"Auto Reload", 0);
	c->key_equ = MUI_KEY_EQU(MUI_MODIFIER_ALT, 'r');
	// this tell libmui that it can clear the radio values of the 'sister'
	// radio buttons when one matching the uid&mask is selected
	uint32_t uid_mask = FCC(0xff,0xff,0xff,0);
	c2_rect_top_of(&cf, cf.t, 10);
	cf.l += margin * 2;
	cf.r = cf.l + 110;
	c = mui_button_new(w,
					cf, MUI_BUTTON_STYLE_RADIO,
					"$0300", FCC('a','d','d','0'));
	c->uid_mask = uid_mask;
	c->value = 1;
	c2_rect_right_of(&cf, cf.r, margin);
	c = mui_button_new(w,
					cf, MUI_BUTTON_STYLE_RADIO,
					"$0800", FCC('a','d','d','1'));
	c->uid_mask = uid_mask;
	c2_rect_right_of(&cf, cf.r, margin);
	c = mui_button_new(w,
					cf, MUI_BUTTON_STYLE_RADIO,
					"$2000", FCC('a','d','d','2'));
	c->uid_mask = uid_mask;

	c2_rect_right_of(&cf, 0, margin);
	c2_rect_top_of(&cf, cf.t, margin / 2);
	cf.r = cf.l + 200;
	c = mui_textbox_new(w, cf, "Load address:", NULL, 0);

	c2_rect_set(&cf, margin, (margin/2),
					c2_rect_width(&w->frame) - margin, (margin/2) + base_size);
	c2_rect_t cp = cf;
	cp.l -= margin * 0.2;
	cp.b += base_size * 1.3;
	c = mui_groupbox_new(w, cp, "File to load:", MUI_CONTROL_TEXTBOX_FRAME);

	float icons_size = mui_font_find(ui, "icon_small")->size;
	c2_rect_bottom_of(&cf, cf.b, 0);
	cf.b = cf.t + icons_size;
	cf.r = cf.l + icons_size;
	m->icon = c = mui_textbox_new(w, cf, MUI_ICON_FILE, "icon_small",
				MUI_TEXT_ALIGN_MIDDLE | MUI_TEXT_ALIGN_CENTER | 0);
	c->state = MUI_CONTROL_STATE_DISABLED;
	cf.l = cf.r;
	cf.r = c2_rect_width(&w->content) - margin;
	m->fname = c = mui_textbox_new(w, cf, "Click \"Select\" to pick a file", NULL, 0);
	c->state = MUI_CONTROL_STATE_DISABLED;

	c = NULL;
	TAILQ_FOREACH(c, &w->controls, self) {
		if (mui_control_get_uid(c) == 0)
			continue;
		mui_control_set_action(c, _mii_loadbin_action_cb, m);
	}

	return w;
}