#!/bin/bash
# Tests for git-operations-require-approval.sh
# Run: bash tests/test-git-operations-require-approval.sh
set -euo pipefail

PASS=0
FAIL=0
HOOK="$(dirname "$0")/../examples/git-operations-require-approval.sh"

test_hook() {
    local input="$1" expected_exit="$2" desc="$3"
    local actual_exit=0
    echo "$input" | bash "$HOOK" > /dev/null 2>/dev/null || actual_exit=$?
    if [ "$actual_exit" -eq "$expected_exit" ]; then
        echo "  PASS: $desc"
        PASS=$((PASS + 1))
    else
        echo "  FAIL: $desc (expected exit $expected_exit, got $actual_exit)"
        FAIL=$((FAIL + 1))
    fi
}

echo "git-operations-require-approval.sh tests"
echo ""

# --- Safe commands (exit 0) ---
test_hook '{"tool_input":{"command":"git status"}}' 0 "git status allowed"
test_hook '{"tool_input":{"command":"git log --oneline"}}' 0 "git log allowed"
test_hook '{"tool_input":{"command":"git diff HEAD"}}' 0 "git diff allowed"
test_hook '{"tool_input":{"command":"git show HEAD"}}' 0 "git show allowed"
test_hook '{"tool_input":{"command":"git add src/main.ts"}}' 0 "git add allowed"
test_hook '{"tool_input":{"command":"git stash"}}' 0 "git stash allowed"
test_hook '{"tool_input":{"command":"git fetch origin"}}' 0 "git fetch allowed"
test_hook '{"tool_input":{"command":"git branch -a"}}' 0 "git branch -a (list) allowed"
test_hook '{"tool_input":{"command":"git branch --list"}}' 0 "git branch --list allowed"
test_hook '{"tool_input":{"command":"git branch -d old-branch"}}' 0 "git branch -d (delete) allowed"
test_hook '{"tool_input":{"command":"npm install"}}' 0 "non-git command allowed"

# --- Blocked commands (exit 2) ---
test_hook '{"tool_input":{"command":"git commit -m \"fix bug\""}}' 2 "git commit blocked"
test_hook '{"tool_input":{"command":"git commit --amend"}}' 2 "git commit --amend blocked"
test_hook '{"tool_input":{"command":"git push origin main"}}' 2 "git push blocked"
test_hook '{"tool_input":{"command":"git push --force origin main"}}' 2 "git push --force blocked"
test_hook '{"tool_input":{"command":"git push -f origin feature"}}' 2 "git push -f blocked"
test_hook '{"tool_input":{"command":"git checkout -b new-branch"}}' 2 "git checkout -b blocked"
test_hook '{"tool_input":{"command":"git switch -c feature"}}' 2 "git switch -c blocked"
test_hook '{"tool_input":{"command":"git switch --create feature"}}' 2 "git switch --create blocked"
test_hook '{"tool_input":{"command":"git branch feature-x"}}' 2 "git branch <name> blocked"

# --- Compound commands ---
test_hook '{"tool_input":{"command":"ls && git commit -m test"}}' 2 "compound && with commit blocked"
test_hook '{"tool_input":{"command":"git add . ; git push origin main"}}' 2 "compound ; with push blocked"
test_hook '{"tool_input":{"command":"test -f x || git commit -m y"}}' 2 "compound || with commit blocked"
test_hook '{"tool_input":{"command":"git status && git log"}}' 0 "compound safe commands allowed"

# --- Edge cases ---
test_hook '{"tool_input":{"command":"echo git commit -m test"}}' 0 "echo git commit not blocked"
test_hook '{"tool_input":{"command":"printf git push"}}' 0 "printf git push not blocked"
test_hook '{"tool_input":{"command":""}}' 0 "empty command passes"
test_hook '{}' 0 "empty input passes"

echo ""
echo "Results: $PASS passed, $FAIL failed"
[ "$FAIL" -gt 0 ] && exit 1
echo "All tests passed!"