#!/usr/bin/env bash
set -Eeuo pipefail

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
INSTALLER_ROOT="$(cd "$SCRIPT_DIR/.." && pwd)"

source "$SCRIPT_DIR/lib/logging.sh"
source "$SCRIPT_DIR/lib/errors.sh"
source "$SCRIPT_DIR/lib/utils.sh"
source "$SCRIPT_DIR/lib/checks.sh"
source "$SCRIPT_DIR/lib/reporting.sh"

DRY_RUN=false

for arg in "$@"; do
  case "$arg" in
    --dry-run) DRY_RUN=true ;;
    *) error_exit "Unbekannter Parameter: $arg" ;;
  esac
done

load_config "$INSTALLER_ROOT/config/installer.conf"

log_info "Tuxflotte Installer gestartet"
log_info "Installer Root: $INSTALLER_ROOT"

[[ "$DRY_RUN" == true ]] && log_warn "Dry-Run aktiv"

run_module "$SCRIPT_DIR/modules/00_preflight.sh" "always"
run_module "$SCRIPT_DIR/modules/05_network.sh" "always"
run_module "$SCRIPT_DIR/modules/10_hardware.sh" "always"
run_module "$SCRIPT_DIR/modules/12_enrollment_auth.sh" "always"
run_module "$SCRIPT_DIR/modules/15_server_handshake.sh" "always"
run_module "$SCRIPT_DIR/modules/17_device_status.sh" "always"
PROVISIONING_STATE_FILE="/run/tuxflotte/provisioning/state.env"

[[ -r "$PROVISIONING_STATE_FILE" ]] ||
  error_exit "Provisionierungszustand fehlt: $PROVISIONING_STATE_FILE"

# shellcheck disable=SC1090
source "$PROVISIONING_STATE_FILE"

case "${TUXFLOTTE_PROVISIONING_CONTINUE:-}" in
  true)
    log_info "Provisionierung wird fortgesetzt."
    ;;
  false)
    log_info "Provisionierung wurde durch den Benutzer kontrolliert beendet."
    exit 0
    ;;
  *)
    error_exit "Ungültiger Provisionierungszustand."
    ;;
esac
run_module "$SCRIPT_DIR/modules/20_profile_selection.sh" "always"
run_module "$SCRIPT_DIR/modules/25_installation_confirm.sh" "always"

INSTALLATION_STATE_FILE="/run/tuxflotte/installation/state.env"

[[ -r "$INSTALLATION_STATE_FILE" ]] ||
  error_exit "Installationsbestätigung fehlt: $INSTALLATION_STATE_FILE"

# shellcheck disable=SC1090
source "$INSTALLATION_STATE_FILE"

case "${TUXFLOTTE_INSTALLATION_CONFIRMED:-}" in
  true)
    log_info "Commit Point bestätigt. Installationsphase wird fortgesetzt."
    tuxflotte_report_installation_event "installation_started"
    ;;
  false)
    log_info "Provisionierung wurde durch den Benutzer kontrolliert beendet."
    log_info "Es wurden keine destruktiven Installationsaktionen gestartet."
    exit 0
    ;;
  *)
    error_exit "Ungültiger Installationsbestätigungszustand."
    ;;
esac

run_module "$SCRIPT_DIR/modules/30_runtime_blueprint.sh" "always"
run_module "$SCRIPT_DIR/modules/40_backend.sh" "always"
run_module "$SCRIPT_DIR/modules/20_storage.sh" "dry-run-safe"
run_module "$SCRIPT_DIR/modules/99_finish.sh" "always"

log_success "Tuxflotte Installer abgeschlossen"