#!/bin/bash

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

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

#=================================================
# MANAGE SCRIPT FAILURE
#=================================================

ynh_clean_setup () {
	true
}
# Exit if an error occurs during the execution of the script
ynh_abort_if_errors

#=================================================
# RETRIEVE ARGUMENTS FROM THE MANIFEST
#=================================================

# Retrieve arguments
domain=$YNH_APP_ARG_DOMAIN
path_url=$(ynh_normalize_url_path $YNH_APP_ARG_PATH)
admin=$YNH_APP_ARG_ADMIN
is_public=$YNH_APP_ARG_IS_PUBLIC

app=$YNH_APP_INSTANCE_NAME


# Check domain/path availability
ynh_webpath_available $domain $path_url || ynh_die "$domain is not available as domain, please use an other domain."
ynh_webpath_register $app $domain $path_url

# Check user parameter
ynh_user_exists "$admin" \
  || ynh_die "The chosen admin user does not exist."

# Check Final Path availability
test ! -e "$final_path" || ynh_die "This path already contains a folder"

# Generate random password and key
dbpass=$(ynh_string_random)
key=$(ynh_string_random)

# Find available ports
port=$(ynh_find_port 6000)

# Store Settings
ynh_app_setting_set $app mysqlpwd $dbpass
ynh_app_setting_set $app adminusername $admin
ynh_app_setting_set $app is_public $is_public
ynh_app_setting_set $app secret_key $key
ynh_app_setting_set $app web_port $port

#=================================================
# STANDARD MODIFICATIONS
#=================================================

# Initialize database and store mysql password for upgrade
ynh_mysql_create_db "$dbname" "$dbuser" "$dbpass"

# Add users
# We can't use the official helper because we need to set the shell for the login
test getent passwd "$app" &>/dev/null || \
    useradd -d "$DATADIR" --system --user-group "$app" --shell /bin/bash || \
        ynh_die "Unable to create $app system account"

#=================================================
# CREAT DIRECTORIES
#=================================================

# create needed directories
mkdir -p "$final_path/data"
mkdir -p "$final_path/custom/conf/auth.d"
mkdir -p "$DATA_PATH/avatars"
mkdir -p "$DATA_PATH/attachments"
mkdir -p "/var/log/$app"

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

ynh_setup_source --dest_dir=$final_path $architecture

#=================================================
# MODIFY A CONFIG FILE
#=================================================

cp ../conf/app.ini "$final_path/custom/conf"
cp ../conf/ldap.conf "$final_path/custom/conf/auth.d/ldap.conf"

if [ "$path_url" = "/" ]
then
    ynh_replace_string --match_string="__URL__" --replace_string="$domain" --target_file="$final_path/custom/conf/app.ini"
else
    ynh_replace_string --match_string="__URL__" --replace_string="$domain${path_url%/}" --target_file="$final_path/custom/conf/app.ini"
fi

ynh_replace_string --match_string="__REPOS_PATH__"  --replace_string="$REPO_PATH" --target_file="$final_path/custom/conf/app.ini"
ynh_replace_string --match_string="__DB_PASSWORD__" --replace_string="$dbpass"    --target_file="$final_path/custom/conf/app.ini"
ynh_replace_string --match_string="__DB_USER__"     --replace_string="$dbuser"    --target_file="$final_path/custom/conf/app.ini"
ynh_replace_string --match_string="__DOMAIN__"      --replace_string="$domain"    --target_file="$final_path/custom/conf/app.ini"
ynh_replace_string --match_string="__KEY__"         --replace_string="$key"       --target_file="$final_path/custom/conf/app.ini"
ynh_replace_string --match_string="__DATA_PATH__"   --replace_string="$DATA_PATH" --target_file="$final_path/custom/conf/app.ini"
ynh_replace_string --match_string="__PORT__"        --replace_string="$port"      --target_file="$final_path/custom/conf/app.ini"
ynh_replace_string --match_string="__APP__"         --replace_string="$app"       --target_file="$final_path/custom/conf/app.ini"

if [[ "$is_public" = '1' ]]
then
    ynh_replace_string --match_string="__PRIVATE_MODE__" --replace_string="false" --target_file="$final_path/custom/conf/app.ini"
else
    ynh_replace_string --match_string="__PRIVATE_MODE__" --replace_string="true" --target_file="$final_path/custom/conf/app.ini"
fi

ynh_replace_string --match_string="__ADMIN__" --replace_string="$admin" --target_file="$final_path/custom/conf/auth.d/ldap.conf"

ynh_store_file_checksum --file="$final_path/custom/conf/app.ini"
ynh_store_file_checksum --file="$final_path/custom/conf/auth.d/ldap.conf"




# Configure init script
ynh_add_systemd_config

#=================================================
# CONFIGURE NGINX
#=================================================
# Modify Nginx configuration file and copy it to Nginx conf directory
if [ "$path_url" != "/" ]
then
    ynh_replace_string --match_string="^#sub_path_only" --replace_string="" --target_file="../conf/nginx.conf"
fi
    ynh_add_nginx_config

#=================================================
# GENERIC FINALIZATION
#=================================================
# SECURE FILES AND DIRECTORIES
#=================================================

chown -R $app:$app "$final_path"
chown -R $app:$app "/home/$app"
chown -R $app:$app "/var/log/$app"
chmod u=rwX,g=rX,o= "$final_path"
chmod u=rwX,g=rX,o= "/home/$app"
chmod u=rwX,g=rX,o= "/var/log/$app"


# Unprotect root from SSO if public
set_access_settings

#=================================================
# INTEGRATE SERVICE IN YUNOHOST
#=================================================
ynh_script_progression --message="Integrating service in YunoHost..." --weight=1

yunohost service add "$app" --log "/var/log/$app/$app.log"

#=================================================
# SETUP LOGROTATE
#=================================================
ynh_script_progression --message="Configuring log rotation..." --weight=1

ynh_use_logrotate "/var/log/$app"

#=================================================
# START SYSTEMD SERVICE
#=================================================
ynh_script_progression --message="Starting a systemd service..." --weight=1

ynh_check_starting "INFO] Listen: http://0.0.0.0:" "/var/log/$app/gogs.log"

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

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