#!/bin/sh
set -e

# Forgejo installation helper for Sawa Panel
# Context: Runs inside /opt/forgejo via sh as root

echo "Configuring Forgejo environment..."

# 1. Create forgejo system user if it doesn't exist
# Handle Alpine BusyBox compatibility (fails silently if exists)
if ! id "forgejo" >/dev/null 2>&1; then
    echo "Creating forgejo system user..."
    adduser -S -D -H -h /opt/forgejo -s /sbin/nologin forgejo || true
fi

# 2. Setup directory structure for custom config and data
mkdir -p data custom/conf

# 3. Generate initial app.ini
SECRET_KEY=$(head -c 32 /dev/urandom | base64)

echo "Writing app.ini configuration..."
cat <<EOF > custom/conf/app.ini
APP_NAME = Sawa Forgejo
RUN_MODE = prod
RUN_USER = forgejo

[repository]
ROOT = /opt/forgejo/data/forgejo-repositories

[database]
DB_TYPE  = postgres
HOST     = 127.0.0.1:5432
NAME     = forgejo
USER     = forgejo
PASSWD   = $SAWA_DB_PASSWORD
SSL_MODE = disable

[server]
SSH_DOMAIN       = ${SAWA_DOMAIN:-git.home1.local}
HTTP_PORT        = 3000
ROOT_URL         = https://${SAWA_DOMAIN:-git.home1.local}/
DISABLE_SSH      = false
SSH_PORT         = 22
OFFLINE_MODE     = false
APP_DATA_PATH    = /opt/forgejo/data

[security]
INSTALL_LOCK = true
SECRET_KEY   = $SECRET_KEY

[service]
DISABLE_REGISTRATION = false
EOF

# 4. Correct ownership so forgejo user can write to its own directories
FORGEJO_GROUP=$(id -gn forgejo 2>/dev/null || echo nogroup)
chown -R forgejo:$FORGEJO_GROUP .
echo "Forgejo installation script completed successfully."