#!/bin/bash

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

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

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

password=$YNH_APP_ARG_PASSWORD
ynh_app_setting_set --app=$app --key=password --value="$password"

#=================================================
# STANDARD MODIFICATIONS
#=================================================
# FIND AND OPEN A PORT
#=================================================
ynh_script_progression --message="Configuring firewall..." --weight=1

# Reserve UDP Port range 49152:65535
ynh_exec_warn_less yunohost firewall allow UDP -4 49152:65535

#=================================================
# DOWNLOAD, CHECK AND UNPACK SOURCE
#=================================================
ynh_script_progression --message="Setting up source files..." --weight=1

# Download, check integrity, uncompress and patch the source from app.src
ynh_setup_source --dest_dir="$install_dir/build"
ynh_setup_source --dest_dir="$install_dir/build_ldap" --source_id="ldap"

mkdir -p "$install_dir/live/data"
mkdir -p "$install_dir/live_ldap/data"

cp -r "$install_dir/build/static/" "$install_dir/live/"
ynh_replace_string --match_string="<div class=\"galene-header\">Galène</div>" --replace_string="<div class=\"galene-header\" onclick=\"location.href=window.location.origin\" style=\"cursor:pointer\">Galène</div>" --target_file="$install_dir/live/static/galene.html"

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

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

# Create a dedicated NGINX config
ynh_add_nginx_config

#=================================================
# SPECIFIC SETUP
#=================================================
# BUILD APP
#=================================================
ynh_script_progression --message="Building app..." --weight=1

ynh_exec_warn_less ynh_install_go --go_version=$go_version
ynh_use_go

pushd $install_dir/build/galene-password-generator/
	ynh_exec_warn_less ynh_exec_as $app CGO_ENABLED=0 $ynh_go build -o $install_dir/
popd

pushd $install_dir/build/
	ynh_exec_warn_less ynh_exec_as $app CGO_ENABLED=0 $ynh_go build -ldflags='-s -w' -o $install_dir/live/
popd

pushd $install_dir/build_ldap/
	ynh_exec_warn_less ynh_exec_as $app CGO_ENABLED=0 $ynh_go build -ldflags='-s -w' -o $install_dir/live_ldap/
popd

ynh_remove_go
ynh_secure_remove --file="$install_dir/build/"
ynh_secure_remove --file="$install_dir/build_ldap/"
ynh_secure_remove --file="$install_dir/.cache/"
ynh_secure_remove --file="$install_dir/go/"
ynh_secure_remove --file="$install_dir/.go-version"

chmod +x "$install_dir/galene-password-generator"

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

password_hash=$(echo $($install_dir/galene-password-generator $password))
ynh_app_setting_set --app=$app --key=password_hash --value="$password_hash"

# Configure Galène
ynh_add_config --template="config.json" --destination="$install_dir/live/data/config.json"
chmod 400 "$install_dir/live/data/config.json"
chown $app:$app "$install_dir/live/data/config.json"

# Configure Galène LDAP
key=$(jose jwk gen -i '{"kty":"oct","alg":"HS256"}')
ynh_app_setting_set --app=$app --key=key --value="$key"
ynh_add_config --template="galene-ldap.json" --destination="$install_dir/live_ldap/data/galene-ldap.json"
chmod 400 "$install_dir/live_ldap/data/galene-ldap.json"
chown $app:$app "$install_dir/live_ldap/data/galene-ldap.json"

# Create a group name config
ynh_add_config --template="groupname.json" --destination="$data_dir/groups/$group_name.json"
chmod 400 "$data_dir/groups/$group_name.json"
chown $app:$app "$data_dir/groups/$group_name.json"

# Create a group name authenticated on LDAP
ynh_add_config --template="groupname-ldap.json" --destination="$data_dir/groups/YunoHost_Users.json"
chmod 400 "$data_dir/groups/YunoHost_Users.json"
chown $app:$app "$data_dir/groups/YunoHost_Users.json"

#=================================================
# SETUP SYSTEMD
#=================================================
ynh_script_progression --message="Configuring a systemd service..." --weight=1

public_ip4="$(curl -s ip.yunohost.org)" || true

# Create a dedicated systemd config
ynh_add_systemd_config
ynh_add_systemd_config --service=${app}_ldap --template="ldap.service"

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

yunohost service add $app --description="Videoconferencing server" --needs_exposed_ports="$port_turn"
yunohost service add ${app}_ldap --description="LDAP integration for the videoconferencing server"

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

# Start a systemd service
ynh_systemd_action --service_name=$app --action="start" --log_path="systemd"
ynh_systemd_action --service_name=${app}_ldap --action="start" --log_path="systemd"

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

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