#!/usr/bin/env bats

setup() {
    REPO_ROOT="$(cd "$BATS_TEST_DIRNAME/../../../../../" && pwd)"
    load "$REPO_ROOT/tests/test_helper/bats-support/load"
    load "$REPO_ROOT/tests/test_helper/bats-assert/load"

    SCRIPT="$(cd "$BATS_TEST_DIRNAME/../scripts" && pwd)/validate-drift.sh"
    TMPDIR="$(mktemp -d)"
}

teardown() {
    rm -rf "$TMPDIR"
}

@test "fails when AGENTS.md references a stale npm script" {
    cat > "$TMPDIR/package.json" <<'EOF'
{
  "scripts": {
    "test": "jest"
  }
}
EOF
    cat > "$TMPDIR/AGENTS.md" <<'EOF'
# AGENTS.md

## Testing
- Run `pnpm run e2e` before committing.
EOF
    run bash "$SCRIPT" "$TMPDIR"
    assert_failure
    assert_output --partial "e2e"
}

@test "passes when the referenced npm script exists" {
    cat > "$TMPDIR/package.json" <<'EOF'
{
  "scripts": {
    "test": "jest"
  }
}
EOF
    cat > "$TMPDIR/AGENTS.md" <<'EOF'
# AGENTS.md

## Testing
- Run `npm run test` before committing.
EOF
    run bash "$SCRIPT" "$TMPDIR"
    assert_success
}

@test "fails when AGENTS.md references a stale make target" {
    cat > "$TMPDIR/Makefile" <<'EOF'
build:
	echo building
EOF
    cat > "$TMPDIR/AGENTS.md" <<'EOF'
# AGENTS.md

## Setup
Run `make deploy` to ship.
EOF
    run bash "$SCRIPT" "$TMPDIR"
    assert_failure
    assert_output --partial "deploy"
}

@test "emits INFO instead of FAIL when there is no package.json to verify an npm script against" {
    cat > "$TMPDIR/AGENTS.md" <<'EOF'
# AGENTS.md

## Testing
Run `pnpm run e2e` before committing.
EOF
    run bash "$SCRIPT" "$TMPDIR"
    assert_success
    assert_output --partial "INFO"
    assert_output --partial "e2e"
}

@test "fails when a referenced file path does not exist" {
    cat > "$TMPDIR/AGENTS.md" <<'EOF'
# AGENTS.md

## Setup
See `scripts/bootstrap.sh` for environment setup.
EOF
    run bash "$SCRIPT" "$TMPDIR"
    assert_failure
    assert_output --partial "scripts/bootstrap.sh"
}

@test "passes when the referenced file path exists" {
    mkdir -p "$TMPDIR/scripts"
    : > "$TMPDIR/scripts/bootstrap.sh"
    cat > "$TMPDIR/AGENTS.md" <<'EOF'
# AGENTS.md

## Setup
See `scripts/bootstrap.sh` for environment setup.
EOF
    run bash "$SCRIPT" "$TMPDIR"
    assert_success
}