#!/usr/bin/env bash
#  vim:ts=4:sts=4:sw=4:et
#  args: echo "dataset_id =  \'{dataset}\'"
#
#  Author: Hari Sekhon
#  Date: 2020-09-16 08:54:54 +0100 (Wed, 16 Sep 2020)
#
#  https://github.com/HariSekhon/DevOps-Bash-tools
#
#  License: see accompanying Hari Sekhon LICENSE file
#
#  If you're using my code you're welcome to connect with me on LinkedIn and optionally send me feedback to help steer this or other code I publish
#
#  https://www.linkedin.com/in/HariSekhon
#

set -eu  # -o pipefail
[ -n "${DEBUG:-}" ] && set -x
srcdir="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"

# shellcheck disable=SC1090
. "$srcdir/lib/utils.sh"

# shellcheck disable=SC2034,SC2154
usage_description="
Execute a command against all Google BigQuery dataset IDs in the current project

Command can contain {dataset} placeholder which will be replaced with the id for each dataset

WARNING: do not run any command reading from standard input, otherwise it will consume the dataset IDs and exit after the first iteration

Requires GCloud SDK which must be configured and authorized for the project

Tested on Google BigQuery
"

# used by usage() in lib/utils.sh
# shellcheck disable=SC2034
usage_args="<command>"

help_usage "$@"

min_args 1 "$@"

command_template="$*"

# exit the loop subshell if you Control-C
trap 'exit 130' INT

"$srcdir/bigquery_list_datasets.sh" |
while read -r dataset_id; do
    if [ -z "${NO_HEADING:-}" ]; then
        hr
        echo "Dataset = $dataset_id"
        hr
    fi >&2
    #printf '%s\t' "$dataset_id"
    command="${command_template//\{dataset_id\}/$dataset_id}"
    command="${command//\{dataset\}/$dataset_id}"
    eval "$command"
    if [ -z "${NO_HEADING:-}" ]; then
        echo
    fi >&2
done