#!/bin/bash
# shellcheck disable=SC2048,SC2086
# Unquoted $* is intentional — the jw-pkg command line

export LC_ALL="C"
set -euo pipefail

jw_pkg_py="$*"

# Print a header and run a command whose output is part of the expected
# result. Under `set -e` a non-zero exit aborts the test.
run()
{
	local log_cmd
	# shellcheck disable=SC2001
	log_cmd=$(echo "$*" | sed 's|.*python3[0-9.]*\s\+\(\.\.\/\)*scripts/||')
	printf '============= Running: %s\n' "$log_cmd"
	"$@"
}

# Run a command that must exit non-zero and report the given message. Prints
# the command, the resulting error message, and the observed exit status.
# Fails the test if the command unexpectedly succeeds or the message is
# missing. Only the last output line is shown: for the app-level errors it is
# the error itself, and for argparse rejections it is the error line, which
# keeps the expected file free of the volatile usage text.
expect_fail()
{
	local expected out rc log_cmd
	expected=$1
	shift
	# shellcheck disable=SC2001
	log_cmd=$(echo "$*" | sed 's|.*python3[0-9.]*\s\+\(\.\.\/\)*scripts/||')
	printf '============= Running (expect failure): %s\n' "$log_cmd"
	set +e
	out=$("$@" 2>&1)
	rc=$?
	set -e
	printf '%s\n' "$(tail -n 1 <<<"$out")"
	printf '============= Exit status: %s\n' "$rc"
	if [ "$rc" -eq 0 ]; then
		echo "ERROR: expected failure, but the command succeeded" >&2
		return 1
	fi
	if ! grep -qF -- "$expected" <<<"$out"; then
		echo "ERROR: expected message not found: $expected" >&2
		return 1
	fi
}

cmd_test()
{
	# -- tmpl: substitute a field; a marker without a value stays literal
	run $jw_pkg_py projects create-file --format tmpl \
		--template-name basic.tmpl --search-path templates \
		--field name=foo jw-pkg

	# -- tmpl: multi-value field, default separator (comma, newline)
	run $jw_pkg_py projects create-file --format tmpl \
		--template-name list.tmpl --search-path templates \
		--field items=a --field items=b jw-pkg

	# -- tmpl: multi-value field, custom separator
	run $jw_pkg_py projects create-file --format tmpl \
		--template-name list.tmpl --search-path templates \
		--field items=a --field items=b --field-separator '|' jw-pkg

	# -- tmpl: multi-value field, "%n" separator
	run $jw_pkg_py projects create-file --format tmpl \
		--template-name list.tmpl --search-path templates \
		--field items=a --field items=b --field-separator '%n' jw-pkg

	# -- tmpl: multi-value field, quoted values
	run $jw_pkg_py projects create-file --format tmpl \
		--template-name list.tmpl --search-path templates \
		--field items=a --field items=b --quote --field-separator '|' jw-pkg

	# -- tmpl: --field-keys adds keys that were not passed as empty fields
	run $jw_pkg_py projects create-file --format tmpl \
		--template-name basic.tmpl --search-path templates \
		--field-keys name,path --field name=foo jw-pkg

	# -- pyright: built-in template, extra paths from project metadata
	run $jw_pkg_py projects create-file --format pyright \
		--field base=./conf/project/pyrightconfig-base.json \
		--field include=src/python jw-pkg

	# -- errors
	expect_fail "Can't render template without name" \
		$jw_pkg_py projects create-file --format tmpl jw-pkg
	expect_fail 'Failed to find template "nosuch.tmpl"' \
		$jw_pkg_py projects create-file --format tmpl \
		--template-name nosuch.tmpl --search-path templates jw-pkg
	expect_fail "not in --field-keys: path" \
		$jw_pkg_py projects create-file --format tmpl \
		--template-name basic.tmpl --search-path templates \
		--field-keys name --field path=x jw-pkg
	expect_fail 'Unsupported separator for pyright config: "|"' \
		$jw_pkg_py projects create-file --format pyright \
		--field base=x --field include=y --field-separator '|' jw-pkg
	expect_fail "invalid choice: 'bogus'" \
		$jw_pkg_py projects create-file --format bogus jw-pkg
	expect_fail "Expected KEY=VALUE" \
		$jw_pkg_py projects create-file --format tmpl \
		--template-name basic.tmpl --search-path templates --field noval jw-pkg
}

cmd_test