#!/bin/bash

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

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

upgrade_type=$(ynh_check_app_version_changed)

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

# If lfs_key doesn't exist, create it
if [ -z "${lfs_key:-}" ]; then
   lfs_key=$(ynh_string_random)
   ynh_app_setting_set --app="$app" --key=lfs_key --value="$lfs_key"
fi

# This is not handled by the core because the previous package did not define final_path...
if [ -d "/opt/$app" ]; then
    # This is the package version of the manifestv2
    rsync -a "/opt/$app/" "$install_dir"
    ynh_secure_remove "/opt/$app"
fi

# Move data directory
if [ -d "/home/$app" ]; then
    rsync -a "/home/$app/" "$data_dir"
    ynh_secure_remove "/home/$app"
fi

# Ensure the user has the correct home dir
if [ ~"$app" != "$data_dir" ]; then
    usermod --home "$data_dir" "$app"
fi

# Ensure secrets are defined
# Some workaround around `gitea secret generate` not available in old versions
mv "$install_dir/gitea" "$install_dir/gitea_orig"
ynh_setup_source --dest_dir="$install_dir" --source_id=main
chmod +x "$install_dir/gitea"
_gitea_set_secrets
ynh_secure_remove "$install_dir/gitea"
mv "$install_dir/gitea_orig" "$install_dir/gitea"

# Ensure directories are created
_gitea_mkdirs

#=================================================
# STOP SYSTEMD SERVICE
#=================================================
ynh_script_progression --message="Stopping a systemd service..." --weight=1

ynh_systemd_action --service_name="$app" --action="stop"

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

ynh_add_nginx_config

ynh_add_systemd_config

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

ynh_use_logrotate --non-append

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

#=================================================
# RECONFIGURE THE APP (UPDATE CONF, APPLY MIGRATIONS...)
#=================================================
# UPDATE A CONFIG FILE
#=================================================
ynh_script_progression --message="Updating configuration files..." --weight=1

# Clean template to fix issue : https://github.com/gogits/gogs/issues/4585
ynh_secure_remove --file="$install_dir/templates"

# Configure gitea with app.ini file
_gitea_add_config
_gitea_permissions_install_dir

#=================================================
# DB migration
#=================================================
ynh_script_progression --message="Upgrading database and sources..." --weight=6

if ynh_compare_current_package_version --comparison lt --version "1.6.4~ynh1"; then
    message="Upgrade from $YNH_APP_CURRENT_VERSION was dropped. You need to run this, then upgrade to the latest version:
sudo yunohost app upgrade $app -u https://github.com/YunoHost-Apps/gitea_ynh/commit/a9ceb157032ae2290e944c1d0a255451ff2d133d"
    ynh_print_info "$message"
    ynh_die --message="$message" --ret_code 1
fi

ynh_setup_source --dest_dir="$install_dir"
chmod +x "$install_dir/gitea"
_gitea_permissions_install_dir
ynh_systemd_action --service_name="$app" --action="start" --log_path="/var/log/$app/gitea.log" --line_match="Starting new Web server: tcp:127.0.0.1:"
# FIXME: Leave the time to update the database schema
sleep 5
systemctl stop "$app"


#=================================================
# RECONFIGURE THE APP (UPDATE CONF, APPLY MIGRATIONS...)
#=================================================
# UPDATE A CONFIG FILE
#=================================================
ynh_script_progression --message="Updating LDAP configuration..." --weight=1
# Should be done after DB migration I guess
if ! ynh_permission_exists --permission admin; then
    # Update ldap config
    ynh_replace_string --match_string="__APP__" --replace_string="$app" --target_file="../conf/login_source.sql"
    ynh_mysql_connect_as "$db_user" "$db_pwd" "$db_name" < ../conf/login_source.sql
fi


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

ynh_systemd_action --service_name="$app" --action="start" --log_path="/var/log/$app/gitea.log" --line_match="Starting new Web server: tcp:127.0.0.1:"

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

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