/*
 * horizonwizard.hh - Definition of the main Wizard class
 * horizon-qt5, the Qt 5 user interface for
 * Project Horizon
 *
 * Copyright (c) 2019 Adélie Linux and contributors.  All rights reserved.
 * This code is licensed under the AGPL 3.0 license, as noted in the
 * LICENSE-code file in the root directory of this repository.
 *
 * SPDX-License-Identifier: AGPL-3.0-only
 */

#ifndef HORIZONWIZARD_HH
#define HORIZONWIZARD_HH

#include <diskman/disk.hh>
#include <QProcess>
#include <QShortcut>
#include <QWizard>
#include <map>
#include <string>
#include <vector>

inline QString fromMacAddress(char address[6]) {
    char buf[18];
    snprintf(buf, 18, "%02X:%02X:%02X:%02X:%02X:%02X",
             address[0] & 0xFF,
             address[1] & 0xFF,
             address[2] & 0xFF,
             address[3] & 0xFF,
             address[4] & 0xFF,
             address[5] & 0xFF);
    QString mac(buf);
    return mac;
}

class HorizonWizard : public QWizard {
public:
    enum {
        Page_Intro,             /* introduction */
        Page_Input,             /* keyboard layout */
#ifdef NON_LIBRE_FIRMWARE
        Page_Firmware,          /* firmware */
#endif  /* NON_LIBRE_FIRMWARE */
        Page_Partition,         /* partitioning */
        Page_PartitionDisk,     /* disk selection */
        Page_PartitionChoose,   /* erase, use free, manual, use existing */
        Page_PartitionManual,   /* manual */
        Page_PartitionMount,    /* choose mountpoints - manual and existing */
        Page_Network,           /* network type selection (DHCP/static) */
        Page_Network_Iface,     /* network interface selection */
        Page_Network_Wireless,  /* wireless */
        Page_Network_CustomAP,  /* custom AP */
        Page_Network_DHCP,      /* interstitial for DHCP */
        Page_Network_Portal,    /* shown if captive portal is detected */
        Page_Network_Manual,    /* static addressing */
        Page_DateTime,          /* date and time, TZ, NTP */
        Page_Hostname,          /* hostname */
        Page_PkgSimple,         /* simple package selection */
        Page_PkgCustom,         /* custom package selection */
        Page_PkgCustomDefault,  /* custom package defaults selection */
        Page_Boot,              /* boot loader configuration */
        Page_Root,              /* root passphrase */
        Page_Accounts,          /* user account configuration */
#ifndef HAS_INSTALL_ENV
        Page_Write,             /* write HorizonScript to disk */
#else  /* HAS_INSTALL_ENV */
        Page_Commit             /* begin install */
#endif  /* !HAS_INSTALL_ENV */
    };

    enum NetworkInterfaceType {
        Ethernet,
        Wireless,
        Bonded,
        Unknown
    };

    struct NetworkInterface {
        NetworkInterfaceType type;
        QString mac;
    };

    struct NetworkConfig {
        /*! Whether to use this configuration or not. */
        bool use;
        /*! The IP address. */
        QString address;
        /*! The subnet mask (v4) / prefix length (v6). */
        QString mask;
        /*! The default gateway to use. */
        QString gateway;
        /*! The DNS server to use. */
        QString dns;
    };

    enum Arch {
        aarch64,
        armv7,
	    mips,
	    mips64,
	    mipsel,
	    mips64el,
        pmmx,
        ppc,
        ppc64,
        x86_64,
        UnknownCPU
    };

    enum Subarch {
        NoSubarch,
        ppc64_PowerMac,
        ppc64_pSeries,
        ppc64_PowerNV
    };

    /*! Valid architectures, used by AdvOpts */
    const std::vector< std::pair<std::string, HorizonWizard::Arch> > arches = {
        {"64-bit x86 (x86_64)", x86_64},
        {"32-bit x86, with MMX (pmmx)", pmmx},
        {"64-bit PowerPC, big-endian (ppc64)", ppc64},
        {"32-bit PowerPC, big-endian (ppc)", ppc},
        {"64-bit ARM, little-endian (aarch64)", aarch64},
        {"32-bit ARMv7, little-endian (armv7)", armv7},
        {"64-bit MIPS, big-endian (mips64)", mips64},
        {"32-bit MIPS, big-endian (mips)", mips},
        {"64-bit MIPS, little-endian (mips64el)", mips64el},
        {"32-bit MIPS, little-endian (mipsel)", mipsel},
        {"Native / Default (UnknownCPU)", UnknownCPU}
    };

    /*! Returns valid subarchitectures for a given architecture. */
    static std::vector< std::pair<std::string, HorizonWizard::Subarch> > subarchesForArch(HorizonWizard::Arch the_arch) {
        if(the_arch == HorizonWizard::ppc64) {
            return {std::make_pair("PowerMac", HorizonWizard::ppc64_PowerMac),
                    std::make_pair("PowerNV", HorizonWizard::ppc64_PowerNV),
                    std::make_pair("pSeries", HorizonWizard::ppc64_pSeries)};
        }

        return {std::make_pair("None", HorizonWizard::NoSubarch)};
    }

    enum PackageType {
        Standard,
        Mobile,
        Compact,
        TextOnly,
        Custom
    };

    enum DesktopType {
        Plasma,
        LXQt,
        MATE,
        XFCE
    };

    enum BinShProvider {
        Dash,
        Bash
    };

    enum InitSystem {
        S6,
        SysVInit
    };

    explicit HorizonWizard(QWidget *parent = nullptr);
    void accept() override;
    void reject() override;
    /*! Emit a HorizonScript file with the user's choices. */
    QString toHScript();
    QShortcut *f1, *f3, *f6, *f8, *f10;

    /*! The domain to use for downloading packages.
     * @example distfiles.adelielinux.org
     */
    std::string mirror_domain;
    /*! The version of Adélie to install.  Typically "stable". */
    std::string version;
    /*! The repositories to use.  If empty, use defaults. */
    QStringList repositories;
    /*! The signing keys to use.  If empty, use defaults. */
    QStringList signing_keys;
    /*! The architecture being installed. */
    Arch arch;
    /*! If relevant, the subtype of the architecture being installed. */
    Subarch subarch;
#ifdef HAS_INSTALL_ENV
    /*! The disks present on this computer. */
    std::vector<Horizon::DiskMan::Disk> disks;
    /*! Any spawned tools from the intro page. */
    std::vector<QProcess *> tools;
#endif
    /*! Whether to automatically partition the disk. */
    bool auto_part;
    /*! Whether to erase the disk when automatically partitioning. */
    bool erase;
    /*! The disk to install to. */
    std::string chosen_disk;
    /*! The HorizonScript lines describing what to do about partitioning.
     *  If auto_disk is set, this is not used.
     *  Otherwise, this should have any relevant disklabel/partition/fs etc. */
    QStringList part_lines;
#ifdef NON_LIBRE_FIRMWARE
    /*! Determines whether firmware will be installed. */
    bool firmware;
#endif  /* NON_LIBRE_FIRMWARE */
    /*! The currently probed network interfaces
     * @note Only available in Installation Environment. */
    std::map<std::string, NetworkInterface> interfaces;
    /*! Determines the network interface to use. */
    std::string chosen_auto_iface;
    /*! Determines whether networking will be enabled. */
    bool network;
    /*! Determines whether to use DHCP. */
    bool net_dhcp;
    /*! If not DHCP, possibly contains IPv4 info. */
    NetworkConfig ipv4;
    /*! If not DHCP, possibly contains IPv6 info. */
    NetworkConfig ipv6;
    /*! Determines whether to install GRUB. */
    bool grub;
    /*! Determines whether to install eudev. */
    bool eudev;
    /*! Determines the /bin/sh provider. */
    BinShProvider binsh;
    /*! Determines the /sbin/init provider. */
    InitSystem sbininit;
    /*! Determines the packages to install. */
    PackageType pkgtype;
    /*! If pkgtype is Standard, which desktop environment to install. */
    DesktopType desktopType;
    /*! If pkgtype is Custom, a list of packages to install. */
    QStringList packages;
    /*! Determines the kernel to install. */
    std::string kernel;
};

#endif  /* !HORIZONWIZARD_HH */