#!/bin/sh

set -e
set -u

# Import set_mozilla_pref()
. /usr/local/lib/tails-shell-library/tor-browser.sh

. gettext.sh
TEXTDOMAIN="tails"
export TEXTDOMAIN

CLAWSMAIL_CONFIG_DIR="${HOME}/.claws-mail"
ICEDOVE_CONFIG_DIR="${HOME}/.icedove"
PROFILE="${ICEDOVE_CONFIG_DIR}/profile.default"

claws_mail_config_is_persistent() {
    [ "$(findmnt --noheadings --output SOURCE --target "${CLAWSMAIL_CONFIG_DIR}")" = "/dev/mapper/TailsData_unlocked[/claws-mail]" ]
}

icedove_config_is_persistent() {
    [ "$(findmnt --noheadings --output SOURCE --target "${ICEDOVE_CONFIG_DIR}")" = "/dev/mapper/TailsData_unlocked[/icedove]" ]
}

warn_about_claws_mail_persistence() {

    local dialog_msg="<b><big>`gettext \"The <b>Claws Mail</b> persistence feature is activated.\"`</big></b>

`gettext \"If you have emails saved in <b>Claws Mail</b>, you should <a href='https://tails.boum.org/doc/anonymous_internet/claws_mail_to_icedove'>migrate your data</a> before starting <b>Icedove</b>.\"`"

    if [ -f "${PROFILE}/prefs.js" ]; then
        dialog_msg="${dialog_msg}

`gettext \"If you already migrated your emails to <b>Icedove</b>, you should <a href='https://tails.boum.org/doc/anonymous_internet/claws_mail_to_icedove#delete'>delete all your <b>Claws Mail</b> data</a> to remove this warning.\"`"
    fi

    local launch="`gettext \"_Launch\"`"
    local exit="`gettext \"_Exit\"`"
    zenity --question --title "" --text "${dialog_msg}" --default-cancel \
           --ok-label "${launch}" --cancel-label "${exit}"
}

configure_default_incoming_protocol() {
    # For extensions.torbirdy.defaultprotocol, POP = 0, IMAP = 1
    local default_protocol
    if icedove_config_is_persistent; then
        default_protocol=0
    else
        default_protocol=1
    fi
    set_mozilla_pref "${PROFILE}/preferences/0000tails.js" \
                     "extensions.torbirdy.defaultprotocol" \
                     "${default_protocol}"
}

start_icedove() {
   # Give Icedove its own temp directory, similar rationale to a1fd1f0f & #9558.
    TMPDIR="${PROFILE}/tmp"
    mkdir --mode=0700 -p "$TMPDIR"
    export TMPDIR

    unset SESSION_MANAGER

    configure_default_incoming_protocol
    /usr/bin/icedove --class "Icedove" -profile "${PROFILE}" "${@}"
}

if claws_mail_config_is_persistent && [ -f "${CLAWSMAIL_CONFIG_DIR}/accountrc" ]; then
   warn_about_claws_mail_persistence || exit 0
fi

start_icedove "${@}"