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

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

readonly source_files=(
    backend/app/frontend/miner_detail_view.py
    backend/app/frontend/monitoring_trends_view.py
    backend/app/frontend/static/app.css
    backend/app/frontend/static/miner-detail.js
    backend/app/frontend/static/monitoring-trends.css
    backend/app/frontend/static/monitoring-trends.js
    backend/app/frontend/views.py
    backend/app/identity.py
    backend/app/main.py
    backend/app/monitoring/__init__.py
    backend/app/monitoring/dependencies.py
    backend/app/monitoring/exceptions.py
    backend/app/monitoring/frontend.py
    backend/app/monitoring/models.py
    backend/app/monitoring/repository.py
    backend/app/monitoring/router.py
    backend/app/monitoring/service.py
    backend/tests/test_monitoring_trends.py
)

for file in "${source_files[@]}"; do
    if [[ ! -r "${file}" ]]; then
        echo "Monitoring Trends test input is not readable: ${file}" >&2
        exit 1
    fi
    if [[ "$(stat -c '%a' "${file}")" != "644" ]]; then
        echo "Monitoring Trends source/test mode must be 0644: ${file}" >&2
        exit 1
    fi
done
if [[ ! -x scripts/test-monitoring-trends.sh ]] \
    || [[ "$(stat -c '%a' scripts/test-monitoring-trends.sh)" != "755" ]]; then
    echo "scripts/test-monitoring-trends.sh must be executable with mode 0755." >&2
    exit 1
fi
echo "Monitoring Trends file-mode preflight passed."

if [[ ! -f .env.dev ]]; then
    echo "Missing .env.dev. Run ./scripts/dev-env-init.sh first." >&2
    exit 1
fi

project_name="${MINEROPS_MONITORING_TEST_PROJECT:-minerops-monitoring-$$}"
compose=(
    docker compose
    --project-name "${project_name}"
    --env-file .env.dev
    -f compose.dev.yaml
)

cleanup() {
    status=$?
    if (( status != 0 )); then
        echo
        echo "Monitoring Trends tests failed. Recent PostgreSQL logs:"
        "${compose[@]}" logs --no-color --tail 120 postgres || true
    fi
    "${compose[@]}" down --volumes --remove-orphans >/dev/null 2>&1 || true
    exit "${status}"
}
trap cleanup EXIT

echo "Starting disposable Monitoring Trends database..."
"${compose[@]}" up --detach postgres
for attempt in $(seq 1 60); do
    if "${compose[@]}" exec -T postgres sh -ec \
        'pg_isready -U "$POSTGRES_USER" -d "$POSTGRES_DB"' >/dev/null 2>&1; then
        break
    fi
    if (( attempt == 60 )); then
        echo "PostgreSQL did not become ready." >&2
        exit 1
    fi
    sleep 1
done

echo "Building Monitoring Trends test image..."
"${compose[@]}" build backend
"${compose[@]}" run --rm --no-deps backend alembic upgrade head

echo "Running Monitoring Trends focused tests..."
"${compose[@]}" run --rm --no-deps \
    -v "${repo_root}/backend/tests:/app/tests:ro" \
    backend python -m unittest -v \
        tests.test_monitoring_trends \
        tests.test_miner_detail \
        tests.test_frontend_shell

echo "Monitoring Trends focused tests passed."