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

repo_root="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
cd "${repo_root}"
project_name="${MINEROPS_CREDENTIAL_TRANSITION_PROJECT:-minerops-credential-transition-$$}"
compose=(docker compose --project-name "${project_name}" --env-file .env.dev -f compose.dev.yaml)

cleanup() {
    status=$?
    if (( status != 0 )); then
        "${compose[@]}" logs --no-color --tail 160 postgres || true
    fi
    "${compose[@]}" down --volumes --remove-orphans >/dev/null 2>&1 || true
    exit "${status}"
}
trap cleanup EXIT

[[ -f .env.dev ]] || { echo "Missing .env.dev" >&2; exit 1; }
for source_file in \
    backend/tests/test_agent_credential_transition_postgres.py \
    agents/windows/Upgrade-MinerOpsAgentCredential.ps1; do
    permissions="$(stat -c '%a' "${source_file}")"
    (( (10#${permissions} % 10) & 4 )) || {
        echo "${source_file} is not readable by the non-root test container" >&2
        exit 1
    }
done
"${compose[@]}" up --detach postgres
for attempt in $(seq 1 60); do
    "${compose[@]}" exec -T postgres sh -ec \
        'pg_isready -U "$POSTGRES_USER" -d "$POSTGRES_DB"' >/dev/null 2>&1 && break
    (( attempt < 60 )) || { echo "PostgreSQL did not become ready" >&2; exit 1; }
    sleep 1
done

"${compose[@]}" build backend
expected_head="$("${compose[@]}" run --rm --no-deps backend alembic heads 2>/dev/null | awk 'NR == 1 { print $1 }')"
[[ "${expected_head}" == "0020_existing_agent_transition" ]]

echo "Testing the additive 0019 -> 0020 transition-binding migration..."
"${compose[@]}" run --rm --no-deps backend alembic upgrade 0019_agent_legacy_auth_retire
"${compose[@]}" run --rm --no-deps backend alembic upgrade head

echo "Testing production-shaped transactional credential transition..."
"${compose[@]}" run --rm --no-deps \
    --volume "${repo_root}/backend/tests:/app/tests:ro" \
    --env MINEROPS_CREDENTIAL_TRANSITION_DISPOSABLE=1 \
    --env MINEROPS_AGENT_ID=plexus-windows-agent \
    --env MINEROPS_AGENT_SHARED_SECRET=credential-transition-legacy-secret \
    backend python -m unittest -v \
    tests.test_agent_credential_transition_postgres

echo "Testing downgrade refusal after transition history exists..."
if output="$("${compose[@]}" run --rm --no-deps backend \
    alembic downgrade 0019_agent_legacy_auth_retire 2>&1)"; then
    echo "0020 downgrade unexpectedly discarded transition history" >&2
    exit 1
fi
[[ "${output}" == *"existing-Agent credential transition history exists"* ]]

echo "Existing-Agent credential transition checks passed."