#!/bin/bash

#=================================================
# GENERIC START
#=================================================
# IMPORT GENERIC HELPERS
#=================================================

source _common.sh
source /usr/share/yunohost/helpers

#=================================================
# ENSURE DOWNWARD COMPATIBILITY
#=================================================
ynh_script_progression --message="Ensuring downward compatibility..." --weight=1

# Settings were not backed up prior to packaging v2
if [[ -z "${password:-}" ]] || [[ -z "${color:-}" ]] || [[ -z "${wiki:-}" ]]; then
    password=$( grep -oP '^\$PASSWORD = sha1\(\"\K.*(?=\"\);$)' "$install_dir/config.php")
    wiki=$(     grep -oP '^\$WIKI_TITLE = '"'\K.*(?=';)" "$install_dir/config.php")
    # color=$(grep -A1 'For YunoHost config' "$install_dir/templates/minimaxing/minimaxing.css" | grep -oP '^/\* @fg: #\K.*(?=;)'|| true)
    color=787878

    if [[ -z "$password" ]] || [[ -z "$wiki" ]] || [[ -z "$color" ]]; then
        yunohost_app="yunohost app"
        ynh_die --message="Previous versions did not save settings. You need to manually set them before upgrading.
Here are the retrieved values: password='$password', wiki='$wiki', color='$color'
And the commands to set missing values:
$yunohost_app setting $app password -v 'YOUR PASSWORD'
$yunohost_app setting $app wiki -v 'YOUR WIKI NAME'
$yunohost_app setting $app color -v 'YOUR BASE COLOR'"
    fi
    ynh_app_setting_set --app="$app" --key=password --value="$password"
    ynh_app_setting_set --app="$app" --key=wiki --value="$wiki"
    ynh_app_setting_set --app="$app" --key=color --value="$color"
fi

#=================================================
# INITIALIZE AND STORE SETTINGS
#=================================================

password_sha1=$(python -c 'import hashlib; import sys; a=str(sys.argv[1]); print(hashlib.sha512(a.encode("UTF-8")).hexdigest())' "$password")

# Validate, fix and set default value for color
color="$(_validate_color)"
ynh_app_setting_set --app="$app" --key=color --value="$color"

#=================================================
# DOWNLOAD, CHECK AND UNPACK SOURCE
#=================================================
ynh_script_progression --message="Upgrading source files..." --weight=3

# Download, check integrity, uncompress and patch the source from app.src
ynh_setup_source --dest_dir="$install_dir" --full_replace=1 \
    --keep="config.php pheditor.php menu.php config.t2t var/pages/main.txt var/pages/todo.txt var/pages/sandbox.txt var/pages/links.txt var/pages/admin.txt"

chmod -R o-rwx "$install_dir"
chown -R "$app:www-data" "$install_dir"

#=================================================
# STORE THE CONFIG FILE CHECKSUM
#=================================================
ynh_script_progression --message="Updating configuration files..."

# Workaround for php code containing __FILE__ and __DIR__
file=__FILE__
dir=__DIR__

ynh_backup_if_checksum_is_different --file="$install_dir/config.php"
ynh_backup_if_checksum_is_different --file="$install_dir/pheditor.php"

# FIXME: is it required ?
ynh_delete_file_checksum --file="$install_dir/config.php"
ynh_delete_file_checksum --file="$install_dir/pheditor.php"

# Do not overwrite existing configuration as it could have user customization's and settings.
# Create file if it does not exist
if [ ! -f "$install_dir/config.php" ]; then
	# Set the default settings
	ynh_add_config --template="../conf/config.php" --destination="$install_dir/config.php"
fi

if [ ! -f "$install_dir/pheditor.php" ]; then
	# Set the default settings
	ynh_add_config --template="../conf/pheditor.php" --destination="$install_dir/pheditor.php"
fi


# ynh_add_config --template="config.php" --destination="$install_dir/config.php"
# ynh_add_config --template="pheditor.php" --destination="$install_dir/pheditor.php"

mkdir -p "$install_dir/templates/minimaxing/"
ynh_delete_file_checksum --file="$install_dir/templates/minimaxing/minimaxing.less"
ynh_delete_file_checksum --file="$install_dir/templates/minimaxing/minimaxing.css"
ynh_add_config --template="minimaxing.less" --destination="$install_dir/templates/minimaxing/minimaxing.less"
ynh_add_config --template="minimaxing.css" --destination="$install_dir/templates/minimaxing/minimaxing.css"

mkdir -p "$install_dir/templates/mimoza/"
ynh_delete_file_checksum --file="$install_dir/templates/mimoza/mimoza.css"
ynh_add_config --template="mimoza.css" --destination="$install_dir/templates/mimoza/mimoza.css"

ynh_store_file_checksum --file="$install_dir/config.t2t"
ynh_store_file_checksum --file="$install_dir/menu.php"

#=================================================
# REAPPLY SYSTEM CONFIGURATIONS
#=================================================
ynh_script_progression --message="Upgrading system configurations related to $app..." --weight=1

# Create a dedicated PHP-FPM config
ynh_add_fpm_config

# Create a dedicated NGINX config
ynh_add_nginx_config

#=================================================
# END OF SCRIPT
#=================================================

ynh_script_progression --message="Upgrade of $app completed" --last