#!/bin/bash
# =================================================================
# Nextcloud Configuration Script
# =================================================================
# Rick-Infra - Nextcloud Role
#
# This script configures Nextcloud via OCC commands after initial
# installation. It is generated from Ansible variables and runs
# inside the Nextcloud container.
#
# Generated by: roles/nextcloud/templates/configure-nextcloud.sh.j2
# Managed by: Ansible

set +e  # Continue on errors, report at end
ERRORS=0

# Helper function for OCC
occ() {
    php /var/www/html/occ "$@" 2>&1
}

# Track errors
check_error() {
    if [ $? -ne 0 ]; then
        ERRORS=$((ERRORS + 1))
        echo "ERROR: $1" >&2
    fi
}

# =================================================================
# Redis Caching Configuration
# =================================================================
# Configure Redis for application-level caching and file locking
# WITHOUT enabling Redis sessions (which can cause performance issues)

occ config:system:set memcache.distributed --value='\OC\Memcache\Redis' --quiet
check_error "Failed to set memcache.distributed"

occ config:system:set memcache.locking --value='\OC\Memcache\Redis' --quiet
check_error "Failed to set memcache.locking"

occ config:system:set redis host --value='{{ valkey_unix_socket_path }}' --quiet
check_error "Failed to set redis.host"

occ config:system:set redis password --value='{{ valkey_password }}' --quiet
check_error "Failed to set redis.password"

occ config:system:set redis dbindex --value={{ nextcloud_valkey_db }} --type=integer --quiet
check_error "Failed to set redis.dbindex"

# =================================================================
# Maintenance Configuration
# =================================================================

occ config:system:set maintenance_window_start --value={{ nextcloud_maintenance_window_start }} --type=integer --quiet
check_error "Failed to set maintenance_window_start"

occ config:system:set default_phone_region --value='{{ nextcloud_default_phone_region }}' --quiet
check_error "Failed to set default_phone_region"

# =================================================================
# Database Optimization
# =================================================================

# Add missing database indices
occ db:add-missing-indices --quiet
check_error "Failed to add missing database indices"

# Convert filecache to bigint
occ db:convert-filecache-bigint --no-interaction --quiet
check_error "Failed to convert filecache to bigint"

# Update mimetype database mappings
occ maintenance:repair --include-expensive --quiet
check_error "Failed to run maintenance:repair"

# =================================================================
# App Installation and Enablement
# =================================================================
# Install apps first, then enable them. This must happen before
# app-specific configuration (e.g., OIDC provider setup)

{% if nextcloud_apps_install is defined and nextcloud_apps_install | length > 0 %}
# Install apps
{% for app in nextcloud_apps_install %}
occ app:install {{ app }} --quiet 2>&1 | grep -v "already installed" || true
check_error "Failed to install app: {{ app }}"
{% endfor %}
{% endif %}

# =================================================================
# Email/SMTP Configuration
# =================================================================
{% if nextcloud_email_enabled | default(false) %}
# Configure SMTP mode
occ config:system:set mail_smtpmode --value={{ nextcloud_smtp_mode }} --quiet
check_error "Failed to set mail_smtpmode"

# Configure SMTP server
occ config:system:set mail_smtphost --value='{{ nextcloud_smtp_host }}' --quiet
check_error "Failed to set mail_smtphost"

occ config:system:set mail_smtpport --value={{ nextcloud_smtp_port }} --type=integer --quiet
check_error "Failed to set mail_smtpport"

{% if nextcloud_smtp_secure %}
occ config:system:set mail_smtpsecure --value={{ nextcloud_smtp_secure }} --quiet
check_error "Failed to set mail_smtpsecure"
{% endif %}

{% if nextcloud_smtp_auth %}
# Configure SMTP authentication
occ config:system:set mail_smtpauth --value=1 --type=integer --quiet
check_error "Failed to set mail_smtpauth"

occ config:system:set mail_smtpauthtype --value={{ nextcloud_smtp_authtype }} --quiet
check_error "Failed to set mail_smtpauthtype"

occ config:system:set mail_smtpname --value='{{ nextcloud_smtp_username }}' --quiet
check_error "Failed to set mail_smtpname"

occ config:system:set mail_smtppassword --value='{{ nextcloud_smtp_password }}' --quiet
check_error "Failed to set mail_smtppassword"
{% endif %}

# Configure email addressing
occ config:system:set mail_from_address --value='{{ nextcloud_mail_from_address }}' --quiet
check_error "Failed to set mail_from_address"

occ config:system:set mail_domain --value='{{ nextcloud_mail_domain }}' --quiet
check_error "Failed to set mail_domain"
{% endif %}

# Set admin user email address
{% if nextcloud_admin_email %}
occ user:setting {{ nextcloud_admin_user }} settings email '{{ nextcloud_admin_email }}' --quiet
check_error "Failed to set admin user email"
{% endif %}

# =================================================================
# OIDC/SSO Provider Configuration
# =================================================================
{% if nextcloud_oidc_enabled | default(false) %}
# Configure OIDC provider (creates if doesn't exist, updates if exists)
occ user_oidc:provider {{ nextcloud_oidc_provider_id }} \
    --clientid='{{ nextcloud_oidc_client_id }}' \
    --clientsecret='{{ nextcloud_oidc_client_secret }}' \
    --discoveryuri='{{ nextcloud_oidc_discovery_url }}' \
    --scope='{{ nextcloud_oidc_scope }}' \
    --unique-uid={{ '1' if nextcloud_oidc_unique_uid else '0' }} \
    --check-bearer={{ '1' if nextcloud_oidc_check_bearer else '0' }} \
    --send-id-token-hint={{ '1' if nextcloud_oidc_send_id_token_hint else '0' }} \
{% if nextcloud_oidc_mapping_display_name %}
    --mapping-display-name='{{ nextcloud_oidc_mapping_display_name }}' \
{% endif %}
{% if nextcloud_oidc_mapping_email %}
    --mapping-email='{{ nextcloud_oidc_mapping_email }}' \
{% endif %}
{% if nextcloud_oidc_mapping_quota %}
    --mapping-quota='{{ nextcloud_oidc_mapping_quota }}' \
{% endif %}
{% if nextcloud_oidc_mapping_uid %}
    --mapping-uid='{{ nextcloud_oidc_mapping_uid }}' \
{% endif %}
{% if nextcloud_oidc_mapping_groups %}
    --mapping-groups='{{ nextcloud_oidc_mapping_groups }}' \
{% endif %}
    --group-provisioning={{ '1' if nextcloud_oidc_group_provisioning else '0' }} \
    --quiet 2>&1 | grep -v "already exists" || true
check_error "Failed to configure OIDC provider: {{ nextcloud_oidc_provider_id }}"

{% if nextcloud_oidc_single_login %}
# Enable single login (auto-redirect to SSO if only one provider)
occ config:app:set user_oidc allow_multiple_user_backends --value=0 --quiet
check_error "Failed to enable single login mode"
{% endif %}
{% endif %}

# =================================================================
# Exit Status
# =================================================================

if [ $ERRORS -gt 0 ]; then
    echo "Configuration completed with $ERRORS error(s)" >&2
    exit 1
else
    echo "Nextcloud configuration completed successfully"
    exit 0
fi