#!/bin/bash
set -e

# Define standard storage paths inside our writeable volume
DB_PATH="/data/gitea/gitea.db"
CONF_DIR="/data/gitea/conf"
CONF_PATH="$CONF_DIR/app.ini"

# 1. Initialize writeable working directories safely
mkdir -p "$CONF_DIR"
mkdir -p /data/gitea/app_data/repositories # Ensure mount path target exists

# FIX: Only chown local assets. Explicitly avoid running a recursive chown on the GCS FUSE mount!
chown git:git /data /data/gitea /data/gitea/gitea.db /data/gitea/conf 2>/dev/null || true

# 2. Restore SQLite database if it exists in Cloud Storage
if [ ! -f "$DB_PATH" ]; then
    echo "[Litestream] SQLite database not found locally. Checking GCS for replica..."
    if litestream restore -config /etc/litestream.yml "$DB_PATH"; then
        echo "[Litestream] Database successfully restored from GCS."
        chown git:git "$DB_PATH"
    else
        echo "[Litestream] No backup replica found. Initializing new database."
    fi
fi

# 3. Launch the Litestream background replication process
echo "[Litestream] Starting replication backend process..."
litestream replicate -config /etc/litestream.yml &

# 4. MANUALLY WRITE THE APP.INI CONFIG FILE (Explicit Block Overrides)
echo "[Gitea] Writing configuration profile to app.ini..."
cat <<EOF > "$CONF_PATH"
APP_NAME = Serverless Git
RUN_MODE = prod
RUN_USER = git

[database]
DB_TYPE  = sqlite3
PATH     = $DB_PATH

[security]
INSTALL_LOCK = true

[server]
HTTP_PORT = 3000
PROTOCOL  = http
DOMAIN    = gitea.jms.rocks
ROOT_URL  = https://gitea.jms.rocks/
DISABLE_SSH = true
LIMIT_SIZE_REJECT_REQUEST = false
DISABLE_QUERY_STR_CHECK = true

[queue]
TYPE = level

[repository]
ROOT = /data/gitea/app_data/repositories
DISABLE_FORK_TIME_CHECK = true
MAX_CREATION_LIMIT = 0

[attachment]
STORAGE_TYPE = local
PATH = /data/gitea/app_data/repositories/attachments

[avatar]
STORAGE_TYPE = local
PATH = /data/gitea/app_data/repositories/avatars

[lfs]
STORAGE_TYPE = local
PATH = /data/gitea/app_data/repositories/lfs

[repo-archive]
STORAGE_TYPE = local
PATH = /data/gitea/app_data/repositories/repo-archive
EOF

# Ensure the config file is fully readable and writeable by the git user
chown git:git "$CONF_PATH"

# 5. Drop Root Privileges and boot the Gitea Web server pointing to our manual config
echo "[Gitea] Dropping privileges to 'git' user and booting web service core..."
exec su git -c "/app/gitea/gitea web --config $CONF_PATH --port 3000"