#!/bin/bash

#=================================================
# GENERIC START
#=================================================

# Load common variables and helpers
source ./_common.sh

# IMPORT GENERIC HELPERS
source /usr/share/yunohost/helpers

#=================================================
# Create install and data subdirs
#=================================================
ynh_setup_source --dest_dir="$install_dir"
xz -d "$install_dir/forgejo.xz"
chmod +x "$install_dir/forgejo"

mkdir -p "$install_dir/custom/conf"

chmod -R o-rwx "$install_dir/custom"
chown -R $app:$app "$install_dir/custom"

#=================================================
# KEYS GENERATION
#=================================================

secret_key=$($install_dir/forgejo generate secret SECRET_KEY)
lfs_jwt_secret=$($install_dir/forgejo generate secret JWT_SECRET)
internal_token=$($install_dir/forgejo generate secret INTERNAL_TOKEN)
oauth2_jwt_secret=$($install_dir/forgejo generate secret JWT_SECRET)
ynh_app_setting_set --app=$app --key=secret_key --value=$secret_key
ynh_app_setting_set --app=$app --key=lfs_jwt_secret --value=$lfs_jwt_secret
ynh_app_setting_set --app=$app --key=internal_token --value=$internal_token
ynh_app_setting_set --app=$app --key=oauth2_jwt_secret --value=$oauth2_jwt_secret

#=================================================
# ADD A CONFIGURATION
#=================================================
ynh_script_progression --message="Adding a configuration file..." --weight=1

register_email_confirm=false
register_manual_confirm=false
disable_registration=true
require_signin_view=false
enable_notify_mail=true
show_registration_button=true

mirror_enabled=true
mirror_disable_new_pull=false
mirror_disable_new_push=false
mirror_default_interval="8h"
mirror_min_interval="10m"

ynh_app_setting_set --app="$app" --key=register_email_confirm --value=$register_email_confirm
ynh_app_setting_set --app="$app" --key=register_manual_confirm --value=$register_manual_confirm
ynh_app_setting_set --app="$app" --key=disable_registration --value=$disable_registration
ynh_app_setting_set --app="$app" --key=require_signin_view --value=$require_signin_view
ynh_app_setting_set --app="$app" --key=enable_notify_mail --value=$enable_notify_mail
ynh_app_setting_set --app="$app" --key=show_registration_button --value=$show_registration_button

ynh_app_setting_set --app="$app" --key=mirror_enabled --value=$mirror_enabled
ynh_app_setting_set --app="$app" --key=mirror_disable_new_pull --value=$mirror_disable_new_pull
ynh_app_setting_set --app="$app" --key=mirror_disable_new_push --value=$mirror_disable_new_push
ynh_app_setting_set --app="$app" --key=mirror_default_interval --value=$mirror_default_interval
ynh_app_setting_set --app="$app" --key=mirror_min_interval --value=$mirror_min_interval

ssh_port=$(grep -P "Port\s+\d+" /etc/ssh/sshd_config | grep -P -o "\d+")
ynh_add_config --template="app.ini" --destination="$install_dir/custom/conf/app.ini"

chmod 640 "$install_dir/custom/conf/app.ini"
chown $app:$app "$install_dir/custom/conf/app.ini"

#=================================================
# SETUP SYSTEMD
#=================================================
ynh_script_progression --message="Upgrading systemd configuration..." --weight=1

ynh_add_systemd_config

#=================================================
# NGINX CONFIGURATION
#=================================================
ynh_script_progression --message="Upgrading NGINX web server configuration..." --weight=2

ynh_add_nginx_config

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

# Use logrotate to manage application logfile(s)
ynh_use_logrotate --logfile "/var/log/$app" --nonappend

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

#=================================================
# INTEGRATE SERVICE IN YUNOHOST
#=================================================
ynh_script_progression --message="Integrating service in YunoHost..." --weight=2

yunohost service add $app --description="Forgejo" --log="/var/log/$app/forgejo.log"

#=================================================
# START SYSTEMD SERVICE
#=================================================
ynh_script_progression --message="Starting a systemd service..." --weight=3

# Start a systemd service
ynh_systemd_action --service_name=$app --action="start" --log_path="/var/log/$app/forgejo.log" --line_match="Starting new Web server: tcp:127.0.0.1:"

#=================================================
# SETUP FAIL2BAN
#=================================================
ynh_script_progression --message="Configuring Fail2Ban..." --weight=1

ynh_add_fail2ban_config --logpath "/var/log/$app/forgejo.log" --failregex ".*Failed authentication attempt for .* from <HOST>" --max_retry 5

#=================================================
# LDAP CONFIGURATION
#=================================================
ynh_script_progression --message="Adding LDAP configuration..." --weight=1
set_forgejo_login_source
enable_login_source_sync

# API user creation
create_forgejo_api_user

# Yunohost user creation
synchronize_users

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

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