#!/usr/bin/env bash
# Execute the documented server ownership model with distinct runtime and human operator IDs.
set -euo pipefail

root="$(cd "$(dirname "$0")/.." && pwd -P)"
image='golang:1.26.5-bookworm@sha256:1ecb7edf62a0408027bd5729dfd6b1b8766e578e8df93995b225dfd0944eb651'

docker run --rm --volume "$root:/repository:ro" "$image" /bin/bash -ceu '
groupadd --gid 10001 thothii
useradd --uid 10001 --gid 10001 --home-dir /srv/thothii --create-home --shell /usr/sbin/nologin thothii
# Reproduce the conservative home mode permitted by the documented useradd sequence.
chmod 0700 /srv/thothii
groupadd --gid 20001 operator-primary
groupadd --gid 20002 thothii-ops
groupadd --gid 20003 docker
useradd --uid 20001 --gid 20001 --groups 20002,20003 --create-home --shell /bin/bash operator

install -d -o 10001 -g 20002 -m 2750 /srv/thothii
install -d -o 10001 -g 20002 -m 2750 /srv/thothii/source
install -d -o 10001 -g 20002 -m 2770 /srv/thothii/operator
install -d -o 10001 -g 20002 -m 2750 /srv/thothii/secrets
install -d -o 10001 -g 10001 -m 0750 /srv/thothii/data /srv/thothii/pi-state /srv/thothii/workspace-registry
install -d -o 10001 -g 10001 -m 0700 /srv/thothii/data/workspace-secrets
install -d -o 10001 -g 20002 -m 2750 /srv/thothii/source/ThothII /srv/thothii/source/ThothII/scripts
install -o 10001 -g 20002 -m 0750 /repository/scripts/build-thothctl.sh /srv/thothii/source/ThothII/scripts/build-thothctl.sh
install -o 10001 -g 20002 -m 0750 /repository/scripts/prepare-server-pi-state.sh /srv/thothii/source/ThothII/scripts/prepare-server-pi-state.sh
/srv/thothii/source/ThothII/scripts/prepare-server-pi-state.sh /srv/thothii/pi-state 10001 10001

printf "%s\n" "PLACEHOLDER=replace-me" > /srv/thothii/operator/server.env
printf "%s\n" "projectDirectory: replace-me" > /srv/thothii/operator/thothii-installation.yaml
chown 10001:20002 /srv/thothii/operator/server.env /srv/thothii/operator/thothii-installation.yaml
chmod 0660 /srv/thothii/operator/server.env /srv/thothii/operator/thothii-installation.yaml

printf "%s\n" \
  "#!/bin/bash" \
  "set -euo pipefail" \
  "if [[ \"\${1:-}\" == build ]]; then" \
  "  destination=; for argument in \"\$@\"; do case \"\$argument\" in type=local,dest=*) destination=\"\${argument#type=local,dest=}\" ;; esac; done" \
  "  test -n \"\$destination\"; mkdir -p \"\$destination\"" \
  "  printf \"%s\\n\" \"#!/bin/bash\" \"set -euo pipefail\" \"test -r \\\"\\\$2\\\"\" \"docker compose up --detach\" > \"\$destination/thothctl-linux-amd64\"" \
  "  chmod 0750 \"\$destination/thothctl-linux-amd64\"; exit 0" \
  "fi" \
  "test \"\${1:-}\" = compose; : > /srv/thothii/operator/start.marker" \
  > /usr/local/bin/docker
chmod 0755 /usr/local/bin/docker

runuser --user operator -- /bin/bash -ceu '\''
umask 0007
sed -i "s/replace-me/ready/" /srv/thothii/operator/server.env
sed -i "s#replace-me#/srv/thothii/source/ThothII#" /srv/thothii/operator/thothii-installation.yaml
for protected in /srv/thothii /srv/thothii/source /srv/thothii/secrets \
  /srv/thothii/data /srv/thothii/pi-state /srv/thothii/workspace-registry; do
  if touch "$protected/operator-must-not-write" 2>/dev/null; then exit 42; fi
done
THT_THOTHCTL_OUTPUT_DIRECTORY=/srv/thothii/operator/build-output \
  /srv/thothii/source/ThothII/scripts/build-thothctl.sh
if THT_THOTHCTL_OUTPUT_DIRECTORY=relative-output \
  /srv/thothii/source/ThothII/scripts/build-thothctl.sh 2>/dev/null; then exit 44; fi
root_output_error=/srv/thothii/operator/root-output.error
if THT_THOTHCTL_OUTPUT_DIRECTORY=/ \
  /srv/thothii/source/ThothII/scripts/build-thothctl.sh 2>"$root_output_error"; then exit 45; fi
grep -Fq "THT_THOTHCTL_OUTPUT_DIRECTORY must be an absolute canonical path" \
  "$root_output_error" || exit 46
rm -f "$root_output_error"
/srv/thothii/operator/build-output/thothctl-linux-amd64 \
  --installation /srv/thothii/operator/thothii-installation.yaml start
'\''

test "$(stat -c %u:%g /srv/thothii)" = 10001:20002
test "$(stat -c %a /srv/thothii)" = 2750
test "$(stat -c %u:%g /srv/thothii/pi-state/agent)" = 10001:10001
test "$(stat -c %a /srv/thothii/pi-state/agent)" = 700
for target in auth.json models.json settings.json; do
  test "$(stat -c %u:%g /srv/thothii/pi-state/agent/$target)" = 10001:10001
  test "$(stat -c %a /srv/thothii/pi-state/agent/$target)" = 600
done
test "$(stat -c %u:%g /srv/thothii/operator/build-output/thothctl-linux-amd64)" = 20001:20002
test "$(stat -c %a /srv/thothii/operator/build-output/thothctl-linux-amd64)" = 750
test -f /srv/thothii/operator/start.marker
for protected in /srv/thothii /srv/thothii/source /srv/thothii/secrets \
  /srv/thothii/data /srv/thothii/pi-state /srv/thothii/workspace-registry; do
  test ! -e "$protected/operator-must-not-write"
done
'

echo "distinct server operator UID/GID fixture passed"