#!/bin/sh
set -eu

script_dir=$(CDPATH= cd -- "$(dirname -- "$0")" && pwd)
repo_dir=$(CDPATH= cd -- "$script_dir/../.." && pwd)
compose_file="$repo_dir/deploy/docker-compose.review.yml"
env_file="$repo_dir/deploy/importarr.review.env"
env_example="$repo_dir/deploy/importarr.review.env.example"
data_dir="$repo_dir/.review-data"
repo_name=$(printf '%s' "${repo_dir##*/}" | tr '[:upper:]' '[:lower:]' | tr -c 'a-z0-9_-' '-')
repo_id=$(printf '%s' "$repo_dir" | cksum | awk '{print $1}')
project_name="importarr-review-${repo_name}-${repo_id}"
review_image="${project_name}-importarr:review"

usage() {
    echo "Usage: $0 {up|update|status|logs|stop|down|reset}" >&2
    exit 2
}

command -v docker >/dev/null 2>&1 || {
    echo "docker is required" >&2
    exit 1
}

if docker info >/dev/null 2>&1; then
    docker_with_sudo=false
elif command -v sudo >/dev/null 2>&1 && sudo -n docker info >/dev/null 2>&1; then
    docker_with_sudo=true
else
    echo "cannot access the Docker daemon with docker or sudo -n docker" >&2
    exit 1
fi

compose() {
    selected_env_file=$env_example
    if [ -f "$env_file" ]; then
        selected_env_file=$env_file
    fi

    if [ "$docker_with_sudo" = true ]; then
        sudo -n env REVIEW_IMAGE="$review_image" REVIEW_SERVICE_ENV_FILE="$selected_env_file" \
            docker compose --project-name "$project_name" --project-directory "$repo_dir/deploy" \
            --env-file "$selected_env_file" -f "$compose_file" "$@"
    else
        REVIEW_IMAGE="$review_image" REVIEW_SERVICE_ENV_FILE="$selected_env_file" \
            docker compose --project-name "$project_name" --project-directory "$repo_dir/deploy" \
            --env-file "$selected_env_file" -f "$compose_file" "$@"
    fi
}

ensure_env_file() {
    if [ ! -f "$env_file" ]; then
        cp "$env_example" "$env_file"
        echo "Created $env_file from the safe review defaults."
    fi
}

remove_data() {
    if rm -rf "$data_dir" 2>/dev/null && [ ! -e "$data_dir" ]; then
        return
    fi
    if [ "$docker_with_sudo" = true ]; then
        sudo -n rm -rf "$data_dir"
    else
        echo "cannot remove root-owned review data without passwordless sudo: $data_dir" >&2
        exit 1
    fi
}

case "${1:-}" in
    up|update)
        ensure_env_file
        mkdir -p "$data_dir/config" "$data_dir/downloads" "$data_dir/movies" "$data_dir/tv"
        compose up --detach --build --wait
        ;;
    status)
        compose ps
        container_id=$(compose ps --quiet importarr)
        [ -n "$container_id" ] || {
            echo "review service is not running" >&2
            exit 1
        }
        health=$(if [ "$docker_with_sudo" = true ]; then
            sudo -n docker inspect --format '{{if .State.Health}}{{.State.Health.Status}}{{else}}none{{end}}' "$container_id"
        else
            docker inspect --format '{{if .State.Health}}{{.State.Health.Status}}{{else}}none{{end}}' "$container_id"
        fi)
        [ "$health" = healthy ] || {
            echo "review service is not healthy (status: $health)" >&2
            exit 1
        }
        ;;
    logs)
        compose logs --follow --tail=200
        ;;
    stop)
        compose stop
        ;;
    down)
        compose down --remove-orphans
        ;;
    reset)
        compose down --remove-orphans
        remove_data
        echo "Removed review data: $data_dir"
        ;;
    *) usage ;;
esac