#!/usr/bin/env bash
# ponytail: one assert-based check, no framework.

S=$(dirname "$0")/orchestra_worktree_report.sh

fail() { printf 'FAIL: %s\n' "$1" >&2; exit 1; }

out=$(bash "$S" --help) || fail '--help exited non-zero'
case "$out" in *Usage:*) ;; *) fail '--help printed no usage' ;; esac

out=$(bash "$S") || fail 'no-args exited non-zero'
case "$out" in *"/tmp/test-e2e-worktrees"*) ;; *) fail 'summary missing worktrees path' ;; esac
case "$out" in *"/tmp/test-e2e is a git repository"*) ;; *) fail 'summary missing repo check' ;; esac

out=$(bash "$S" --json) || fail '--json exited non-zero'
[ "$(printf '%s\n' "$out" | wc -l)" = 1 ] || fail '--json printed more than one line'
case "$out" in '{'*'}') ;; *) fail '--json is not one object' ;; esac
for k in worktrees_dir_exists worktrees_entries repo_is_git; do
  case "$out" in *"\"$k\":"*) ;; *) fail "--json missing key $k" ;; esac
done
n=${out#*\"worktrees_entries\":}
n=${n%%,*}
case "$n" in ''|*[!0-9]*) fail 'worktrees_entries is not digits' ;; esac

err=$(bash "$S" --bogus 2>&1 >/dev/null)
[ $? -ne 0 ] || fail '--bogus exited 0'
case "$err" in *"unknown argument"*) ;; *) fail '--bogus printed no stderr message' ;; esac
[ -z "$(bash "$S" --bogus 2>/dev/null)" ] || fail '--bogus wrote to stdout'

printf 'OK\n'
exit 0