#!/usr/bin/env bats
# make install must link the runtime-neutral agent entry file (AGENTS.md)
# into CODEX_DIR so Codex-style harnesses bootstrap from the same
# protocols/rules/skills the Claude side reads. The thin-pointer shape and
# the decision trail live in docs/design/2026-07-13-runtime-portability-
# inventories.org and the generic-agent-runtime task.

setup() {
    REPO_ROOT="$(cd "$(dirname "$BATS_TEST_FILENAME")/../.." && pwd)"
    TMPHOME="$(mktemp -d)"
}

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

run_install() {
    make -C "$REPO_ROOT" install \
        SKILLS_DIR="$TMPHOME/skills" \
        RULES_DIR="$TMPHOME/rules" \
        HOOKS_DIR="$TMPHOME/hooks" \
        CLAUDE_DIR="$TMPHOME/claude" \
        CODEX_DIR="$TMPHOME/codex" \
        LOCAL_BIN="$TMPHOME/bin"
}

@test "install links AGENTS.md into CODEX_DIR" {
    run run_install
    [ "$status" -eq 0 ]
    [ -L "$TMPHOME/codex/AGENTS.md" ]
    grep -q "protocols.org" "$TMPHOME/codex/AGENTS.md"
}

@test "install is idempotent on the agent entry (second run skips)" {
    run run_install
    [ "$status" -eq 0 ]
    run run_install
    [ "$status" -eq 0 ]
    [[ "$output" == *"skip  AGENTS.md (already linked)"* ]]
    [ -L "$TMPHOME/codex/AGENTS.md" ]
}

@test "install warns on a non-symlink AGENTS.md collision and leaves it alone" {
    mkdir -p "$TMPHOME/codex"
    echo "hand-written entry" > "$TMPHOME/codex/AGENTS.md"
    run run_install
    [ "$status" -eq 0 ]
    [[ "$output" == *"WARN  AGENTS.md exists and is not a symlink"* ]]
    [ ! -L "$TMPHOME/codex/AGENTS.md" ]
    grep -q "hand-written entry" "$TMPHOME/codex/AGENTS.md"
}