#!/bin/bash

dockerComposeUp()
{
    local app_name="$1"
    local custom_compose="$2"
    local type="$3"

    if [[ "$app_name" == "" ]]; then
        isError "Something went wrong...No app name provided..."
        return 1
    fi

    # Real exit status of the compose command, so callers that gate on it (the
    # updater's rollback, the artifact apply pipeline) aren't fail-open. checkSuccess
    # only logs; it does NOT set the function's return — without this the function
    # always returned 0 and a failed `up -d` looked like success.
    local _rc=0

    isHeader "Docker Compose Up $app_name"

    # Make sure we are able to get the compose file
    if [[ $compose_setup == "" ]]; then
        setupBasicScanVariables "$app_name"
    fi
    
    # Compose file public variable for restarting etc
    if [[ $compose_setup == "default" ]]; then
        local setup_compose="-f docker-compose.yml"
        local compose_file="docker-compose.yml"
    elif [[ $compose_setup == "app" ]]; then
        local setup_compose="-f docker-compose.yml -f docker-compose.$app_name.yml"
        local compose_file="docker-compose.$app_name.yml"
    fi
    if [[ $custom_compose != "" ]]; then
        local setup_compose="-f docker-compose.yml -f $custom_compose"
        local compose_file="$custom_compose"
    fi

    if [[ "$OS_TYPE" == "Ubuntu" || "$OS_TYPE" == "Debian" ]]; then
        if [ -f "$containers_dir$app_name/$compose_file" ]; then
            # Quiet pull + plain progress so progress redraws don't flood the log.
            local _compose_quiet="--quiet-pull"
            export COMPOSE_PROGRESS=plain
            # Force a rebuild when the app ships a Dockerfile. Without
            # --build, `up -d` reuses the cached image and silently
            # ignores any edits to Dockerfile / source between installs.
            local _compose_build_flag=""
            local _is_local_build=0
            if [[ -f "$containers_dir$app_name/Dockerfile" ]]; then
                _compose_build_flag="--build"
                _is_local_build=1
            fi
            # Used for the standard LibrePortal app
            if [[ "$type" == "" ]]; then
                # Refuse to start if the runtime compose still has raw
                # `#LIBREPORTAL|TAG|VALUE` placeholders on the value side.
                # Happens when the template was copied over the runtime
                # compose without the tag processors running (manual
                # copy, partial restore, aborted install). Without this
                # guard docker errors with "invalid boolean:
                # HEALTHCHECK_DATA" or similar.
                #
                # Two-pass: detect → attempt self-heal by re-running the
                # full tag-processor pipeline → re-detect. Only refuse
                # if heal didn't clear all placeholders.
                _scanStaleTags() {
                    awk '
                        {
                            idx = index($0, "#LIBREPORTAL|")
                            if (idx == 0) next
                            # Skip whole-line YAML comments (e.g. "# - PORTS_DATA_4 ...")
                            value_part = substr($0, 1, idx - 1)
                            trimmed = value_part
                            sub(/^[ \t]+/, "", trimmed)
                            if (substr(trimmed, 1, 1) == "#") next
                            marker = substr($0, idx + length("#LIBREPORTAL|"))
                            if (split(marker, parts, "|") < 2) next
                            placeholder = parts[2]
                            gsub(/[ \t]+$/, "", placeholder)
                            if (placeholder ~ /^[A-Z][A-Z0-9_]*_DATA(_[0-9]+)?$/) {
                                printf "  line %d: %s\n", NR, $0
                            }
                        }
                    ' "$1"
                }
                local _compose_path="$containers_dir$app_name/$compose_file"
                local _stale_tags
                _stale_tags=$(_scanStaleTags "$_compose_path")
                if [[ -n "$_stale_tags" ]]; then
                    isNotice "$app_name compose has unsubstituted LibrePortal tag placeholders — attempting self-heal via tag processors."
                    if declare -F dockerConfigSetupFileWithData >/dev/null 2>&1; then
                        # The processors read per-app env vars
                        # (healthcheck, host_setup, app_category, …) set
                        # by initializeAppVariables. Without it some
                        # tags get filled with empty strings and the
                        # heal leaves placeholders behind.
                        if declare -F initializeAppVariables >/dev/null 2>&1; then
                            initializeAppVariables "$app_name" >/dev/null 2>&1 || true
                        fi
                        dockerConfigSetupFileWithData "$app_name" >/dev/null 2>&1 || true
                        _stale_tags=$(_scanStaleTags "$_compose_path")
                    fi
                    if [[ -n "$_stale_tags" ]]; then
                        isError "$app_name compose still has unsubstituted LibrePortal tag placeholders after self-heal — refusing to start."
                        isNotice "File: $_compose_path"
                        while IFS= read -r _l; do isNotice "$_l"; done <<< "$_stale_tags"
                        isNotice "Fix: run 'libreportal app install $app_name' to re-apply the full install pipeline."
                        unset -f _scanStaleTags
                        return 1
                    fi
                    isSuccessful "Tag processors re-applied — placeholders resolved, continuing start."
                fi
                unset -f _scanStaleTags

                # Local-build apps take noticeably longer than image-pull
                # apps. Specific heads-up so the user doesn't wonder if
                # it's stuck during a multi-minute Dockerfile build.
                if (( _is_local_build )); then
                    isNotice "$app_name has a Dockerfile — building image locally."
                    isNotice "First build can take a few minutes."
                fi
                if [[ $CFG_DOCKER_INSTALL_TYPE == "rootless" ]]; then
                    isNotice "Starting container for $app_name, this may take a while..."
                    local result; result=$(dockerCommandRunInstallUser "cd $containers_dir$app_name && COMPOSE_PROGRESS=plain docker compose $setup_compose up $_compose_quiet $_compose_build_flag -d"); _rc=$?
                    checkSuccess "Started container for $app_name"
                elif [[ $CFG_DOCKER_INSTALL_TYPE == "rooted" ]]; then
                    isNotice "Starting container for $app_name, this may take a while..."
                    local result; result=$(cd "$containers_dir$app_name" && COMPOSE_PROGRESS=plain docker compose $setup_compose up $_compose_quiet $_compose_build_flag -d); _rc=$?
                    checkSuccess "Started container for $app_name"
                fi
            # Used for the CLI dockertype switcher.
            else
                if [[ $type == "rootless" ]]; then
                    local result; result=$(dockerCommandRunInstallUser "cd $containers_dir$app_name && docker compose $setup_compose down"); _rc=$?
                    checkSuccess "Shutting down container for $app_name"
                elif [[ $type == "rooted" ]]; then
                    local result; result=$(cd "$containers_dir$app_name" && docker compose $setup_compose down); _rc=$?
                    checkSuccess "Shutting down container for $app_name"
                fi
            fi
        else
            isNotice "Unable to find the compose file to docker compose up this application."
            _rc=1
        fi
    fi
    return $_rc
}