/*
 * 86Box    A hypervisor and IBM PC system emulator that specializes in
 *          running old operating systems and software designed for IBM
 *          PC systems and compatibles from 1981 through fairly recent
 *          system designs based on the PCI bus.
 *
 *          This file is part of the 86Box distribution.
 *
 *          Implement the application's icon changing system.
 *
 *
 * Authors: Laci bá'
 *
 *          Copyright 2021 Laci bá'.
 */

#include <windows.h>
#include <windowsx.h>
#include <stdio.h>
#include <stdint.h>
#include <string.h>
#include <stdlib.h>
#include <wchar.h>
#include <86box/86box.h>
#include <86box/config.h>
#include <86box/path.h>
#include <86box/plat.h>
#include <86box/ui.h>
#include <86box/win.h>

HICON hIcon[256];         /* icon data loaded from resources */
char  icon_set[256] = ""; /* name of the iconset to be used */

void
win_clear_icon_set(void)
{
    int i;

    for (i = 0; i < 256; i++)
        if (hIcon[i] != 0) {
            DestroyIcon(hIcon[i]);
            hIcon[i] = 0;
        }
}

void
win_system_icon_set(void)
{
    int i, x = win_get_system_metrics(SM_CXSMICON, dpi), y = win_get_system_metrics(SM_CYSMICON, dpi);

    for (i = 0; i < 256; i++)
        hIcon[i] = LoadImage(hinstance, MAKEINTRESOURCE(i), IMAGE_ICON, x, y, LR_DEFAULTCOLOR);
}

typedef struct
{
    int   id;
    char *filename;
} _ICON_DATA;

const _ICON_DATA icon_files[] = {
    {16,   "floppy_525.ico"             },
    { 17,  "floppy_525_active.ico"      },
    { 24,  "floppy_35.ico"              },
    { 25,  "floppy_35_active.ico"       },
    { 32,  "cdrom.ico"                  },
    { 33,  "cdrom_active.ico"           },
    { 48,  "zip.ico"                    },
    { 49,  "zip_active.ico"             },
    { 56,  "mo.ico"                     },
    { 57,  "mo_active.ico"              },
    { 64,  "cassette.ico"               },
    { 65,  "cassette_active.ico"        },
    { 80,  "hard_disk.ico"              },
    { 81,  "hard_disk_active.ico"       },
    { 96,  "network.ico"                },
    { 97,  "network_active.ico"         },
    { 104, "cartridge.ico"              },
    { 144, "floppy_525_empty.ico"       },
    { 145, "floppy_525_empty_active.ico"},
    { 152, "floppy_35_empty.ico"        },
    { 153, "floppy_35_empty_active.ico" },
    { 160, "cdrom_empty.ico"            },
    { 161, "cdrom_empty_active.ico"     },
    { 176, "zip_empty.ico"              },
    { 177, "zip_empty_active.ico"       },
    { 184, "mo_empty.ico"               },
    { 185, "mo_empty_active.ico"        },
    { 192, "cassette_empty.ico"         },
    { 193, "cassette_empty_active.ico"  },
    { 200, "run.ico"                    },
    { 201, "pause.ico"                  },
    { 202, "send_cad.ico"               },
    { 203, "send_cae.ico"               },
    { 204, "hard_reset.ico"             },
    { 205, "acpi_shutdown.ico"          },
    { 206, "settings.ico"               },
    { 232, "cartridge_empty.ico"        },
    { 240, "machine.ico"                },
    { 241, "display.ico"                },
    { 242, "input_devices.ico"          },
    { 243, "sound.ico"                  },
    { 244, "ports.ico"                  },
    { 245, "other_peripherals.ico"      },
    { 246, "floppy_and_cdrom_drives.ico"},
    { 247, "other_removable_devices.ico"},
    { 248, "floppy_disabled.ico"        },
    { 249, "cdrom_disabled.ico"         },
    { 250, "zip_disabled.ico"           },
    { 251, "mo_disabled.ico"            },
    { 252, "storage_controllers.ico"    }
};

void
win_get_icons_path(char *path_root)
{
    char roms_root[1024] = { 0 };
    if (rom_path[0])
        strcpy(roms_root, rom_path);
    else
        path_append_filename(roms_root, exe_path, "roms");

    path_append_filename(path_root, roms_root, "icons");
    path_slash(path_root);
}

void
win_load_icon_set(void)
{
    win_clear_icon_set();
    win_system_icon_set();

    if (strlen(icon_set) == 0) {
        ToolBarLoadIcons();
        return;
    }

    char    path_root[2048] = { 0 }, temp[2048] = { 0 };
    wchar_t wtemp[2048] = { 0 };

    win_get_icons_path(path_root);
    strcat(path_root, icon_set);
    path_slash(path_root);

    int i, count = sizeof(icon_files) / sizeof(_ICON_DATA),
           x = win_get_system_metrics(SM_CXSMICON, dpi), y = win_get_system_metrics(SM_CYSMICON, dpi);
    for (i = 0; i < count; i++) {
        path_append_filename(temp, path_root, icon_files[i].filename);
        mbstoc16s(wtemp, temp, strlen(temp) + 1);

        HICON ictemp;
        ictemp = LoadImageW(NULL, (LPWSTR) wtemp, IMAGE_ICON, x, y, LR_LOADFROMFILE | LR_DEFAULTCOLOR);
        if (ictemp) {
            if (hIcon[icon_files[i].id])
                DestroyIcon(hIcon[icon_files[i].id]);
            hIcon[icon_files[i].id] = ictemp;
        }
    }

    uint32_t curr_lang = lang_id;
    lang_id            = 0;
    set_language(curr_lang);

    ToolBarLoadIcons();
}