#!/usr/bin/env bash
set -euo pipefail

REPO_ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"

# Один корневой временный каталог на прогон: тестовые деревья копируют заметную
# часть репозитория и без уборки переполняют /tmp за несколько прогонов.
TEST_TMP_ROOT="$(mktemp -d /tmp/dotfiles-install-test.XXXXXX)"
trap 'rm -rf "$TEST_TMP_ROOT"' EXIT

fail() {
  echo "FAIL: $*" >&2
  exit 1
}

assert_file_contains() {
  local file="$1"
  local pattern="$2"
  grep -Fq "$pattern" "$file" || fail "Expected '$pattern' in $file"
}

assert_not_exists() {
  local path="$1"
  [ ! -e "$path" ] || fail "Path should not exist: $path"
}

setup_fixture() {
  local fixture_root repo_root bin_dir
  fixture_root="$(mktemp -d "$TEST_TMP_ROOT/fixture.XXXXXX")"
  repo_root="$fixture_root/repo"
  bin_dir="$fixture_root/bin"

  mkdir -p "$repo_root" "$bin_dir"
  # Список файлов соответствует свежему клону: только отслеживаемые Git-файлы
  # (новые файлы видны после git add). Содержимое берётся из текущего рабочего
  # дерева. Локальные данные инструментов внутри пакетов (vscode/.vscode-server,
  # zed/.config/opencode и т.п.) весят гигабайты, переполняют /tmp и ломают
  # stow конфликтами, поэтому в тестовое дерево не попадает.
  git -C "$REPO_ROOT" ls-files -z --cached --others --exclude-standard -- \
    install.sh bash tmux vim zed kitty wezterm vscode agents opencode codex gemini \
    claude proxy-client chatgpt scripts \
    | tar -C "$REPO_ROOT" --null -T - -cf - \
    | tar -xf - -C "$repo_root"

  cat > "$bin_dir/fake-git" <<'EOF'
#!/usr/bin/env bash
set -euo pipefail

if [ "${1:-}" = "-C" ]; then
  shift 2
fi

case "${1:-}" in
  rev-parse)
    exit 0
    ;;
  show)
    printf '%s' "${FAKE_GIT_SHOW_CONTENT:-}"
    ;;
  *)
    echo "unexpected git invocation: $*" >&2
    exit 1
    ;;
esac
EOF

  cat > "$bin_dir/fake-sudo" <<'EOF'
#!/usr/bin/env bash
set -euo pipefail
exec "$@"
EOF

  chmod +x "$bin_dir/fake-git" "$bin_dir/fake-sudo"

  printf '%s\n' "$fixture_root"
}

run_install() {
  local repo_root="$1"
  local home_dir="$2"
  shift 2

  HOME="$home_dir" \
  GIT_BIN="$repo_root/../bin/fake-git" \
  SUDO_BIN="$repo_root/../bin/fake-sudo" \
  "$@" \
  "$repo_root/install.sh"
}

test_fresh_install_uses_home_target() {
  local fixture repo_root home_dir
  fixture="$(setup_fixture)"
  repo_root="$fixture/repo"
  home_dir="$fixture/home"
  mkdir -p "$home_dir"

  run_install "$repo_root" "$home_dir" env WSL_DISTRO_NAME= INSTALL_INTERACTIVE_MODE=never >"$fixture/install.out"

  [ -L "$home_dir/.bash_custom" ] || fail "Expected .bash_custom symlink in HOME"
  [ -d "$home_dir/.local" ] || fail "Expected ~/.local directory"
  [ ! -L "$home_dir/.local" ] || fail "Expected ~/.local to stay a real directory"
  [ -d "$home_dir/.local/bin" ] || fail "Expected ~/.local/bin directory"
  [ ! -L "$home_dir/.local/bin" ] || fail "Expected ~/.local/bin to stay a real directory"
  [ -x "$home_dir/.local/bin/proxy-client" ] || fail "Expected executable proxy-client CLI in HOME"
  [ -x "$home_dir/.local/bin/start-chatgpt-proxy" ] || fail "Expected ChatGPT proxy launcher in HOME"
  [ -f "$home_dir/.local/share/applications/chatgpt-proxy.desktop" ] \
    || fail "Expected ChatGPT Proxy desktop entry in HOME"
  [ -d "$home_dir/.local/share" ] || fail "Expected ~/.local/share directory"
  [ ! -L "$home_dir/.local/share" ] || fail "Expected ~/.local/share to stay a real directory"
  [ -d "$home_dir/.local/share/applications" ] || fail "Expected applications directory"
  [ ! -L "$home_dir/.local/share/applications" ] \
    || fail "Expected applications directory to stay real"
  [ -d "$home_dir/.config/proxy-client" ] || fail "Expected proxy-client config directory"
  [ ! -L "$home_dir/.config/proxy-client" ] || fail "Expected proxy-client config to stay outside the repository"
  [ -f "$home_dir/.config/proxy-client/shell.bash" ] || fail "Expected proxy-client shell module"
  [ -f "$home_dir/.config/proxy-client/examples/config.external" ] || fail "Expected external proxy config example"
  [ -f "$home_dir/.config/proxy-client/examples/config.xray" ] || fail "Expected managed Xray config example"
  assert_not_exists "$home_dir/.config/proxy-client/examples/config"
  [ ! -e "$home_dir/README.md" ] || fail "Package README must not be stowed into HOME"
  [ -L "$home_dir/.claude/skills" ] || fail "Expected ~/.claude/skills symlink"
  assert_file_contains "$home_dir/.bashrc" "[ -f ~/.bash_custom ] && source ~/.bash_custom"
  assert_not_exists "$fixture/.bash_custom"
}

test_fresh_install_does_not_fold_config_into_kitty() {
  local fixture repo_root home_dir target expected
  fixture="$(setup_fixture)"
  repo_root="$fixture/repo"
  home_dir="$fixture/home"
  mkdir -p "$home_dir"

  # Неполный клон: kitty остаётся единственным stow-пакетом с каталогом .config.
  mv "$repo_root/proxy-client" "$fixture/proxy-client-disabled"

  run_install "$repo_root" "$home_dir" env WSL_DISTRO_NAME= INSTALL_INTERACTIVE_MODE=never >"$fixture/install.out"

  [ -d "$home_dir/.config" ] || fail "Expected ~/.config directory"
  [ ! -L "$home_dir/.config" ] || fail "Expected ~/.config to stay a real directory"
  # Каталог остаётся настоящим, симлинки ставятся по файлам: kitty пишет в
  # ~/.config/kitty свои файлы, и они не должны попадать в репозиторий.
  [ -d "$home_dir/.config/kitty" ] || fail "Expected ~/.config/kitty directory"
  [ ! -L "$home_dir/.config/kitty" ] || fail "Expected ~/.config/kitty to stay a real directory"
  [ -L "$home_dir/.config/kitty/kitty.conf" ] || fail "Expected ~/.config/kitty/kitty.conf symlink"
  [ -L "$home_dir/.config/kitty/current-theme.conf" ] || fail "Expected ~/.config/kitty/current-theme.conf symlink"
  target="$(readlink -f "$home_dir/.config/kitty/kitty.conf")"
  expected="$(readlink -f "$repo_root/kitty/.config/kitty/kitty.conf")"
  [ "$target" = "$expected" ] || fail "~/.config/kitty/kitty.conf points to $target, expected $expected"

  # Файл, созданный kitty рядом с управляемыми, остаётся вне репозитория.
  printf '%s\n' '# backup' > "$home_dir/.config/kitty/kitty.conf.bak"
  assert_not_exists "$repo_root/kitty/.config/kitty/kitty.conf.bak"
}

test_existing_kitty_config_is_backed_up_and_does_not_abort_stow() {
  local fixture repo_root home_dir backup
  fixture="$(setup_fixture)"
  repo_root="$fixture/repo"
  home_dir="$fixture/home"
  mkdir -p "$home_dir/.config/kitty"
  # kitty создаёт конфиг сам, поэтому на чужой машине файл уже существует.
  printf '%s\n' 'font_size 14' > "$home_dir/.config/kitty/kitty.conf"

  run_install "$repo_root" "$home_dir" env WSL_DISTRO_NAME= INSTALL_INTERACTIVE_MODE=never >"$fixture/install.out"

  [ -L "$home_dir/.config/kitty/kitty.conf" ] || fail "Expected managed kitty.conf symlink"
  backup="$(find "$home_dir/.config/kitty" -maxdepth 1 -name 'kitty.conf.bak.*' -print -quit)"
  [ -n "$backup" ] || fail "Expected backup of the pre-existing kitty.conf"
  assert_file_contains "$backup" "font_size 14"
  # Конфликт в одном пакете не должен обрывать stow целиком.
  [ -L "$home_dir/.vimrc" ] || fail "Expected other packages to be stowed as well"
  [ -L "$home_dir/.bash_custom" ] || fail "Expected install to continue past stow"
}

test_foreign_kitty_config_symlink_is_backed_up() {
  local fixture repo_root home_dir backup target
  fixture="$(setup_fixture)"
  repo_root="$fixture/repo"
  home_dir="$fixture/home"
  mkdir -p "$home_dir/.config/kitty" "$fixture/elsewhere"
  # Чужой симлинк для stow такой же конфликт, как обычный файл.
  printf '%s\n' 'font_size 99' > "$fixture/elsewhere/my-kitty.conf"
  ln -s "$fixture/elsewhere/my-kitty.conf" "$home_dir/.config/kitty/kitty.conf"

  run_install "$repo_root" "$home_dir" env WSL_DISTRO_NAME= INSTALL_INTERACTIVE_MODE=never >"$fixture/install.out"

  target="$(readlink -f "$home_dir/.config/kitty/kitty.conf")"
  [ "$target" = "$(readlink -f "$repo_root/kitty/.config/kitty/kitty.conf")" ] \
    || fail "Expected managed kitty.conf, got $target"
  backup="$(find "$home_dir/.config/kitty" -maxdepth 1 -name 'kitty.conf.bak.*' -print -quit)"
  [ -n "$backup" ] || fail "Expected backup of the foreign kitty.conf symlink"
  [ -L "$home_dir/.vimrc" ] || fail "Expected other packages to be stowed as well"
  # Исходный файл за симлинком остаётся нетронутым.
  assert_file_contains "$fixture/elsewhere/my-kitty.conf" "font_size 99"
}

test_rerun_does_not_backup_managed_kitty_config() {
  local fixture repo_root home_dir backup
  fixture="$(setup_fixture)"
  repo_root="$fixture/repo"
  home_dir="$fixture/home"
  mkdir -p "$home_dir"

  run_install "$repo_root" "$home_dir" env WSL_DISTRO_NAME= INSTALL_INTERACTIVE_MODE=never >"$fixture/install.out"
  run_install "$repo_root" "$home_dir" env WSL_DISTRO_NAME= INSTALL_INTERACTIVE_MODE=never >"$fixture/install2.out"

  [ -L "$home_dir/.config/kitty/kitty.conf" ] || fail "Expected managed kitty.conf symlink"
  backup="$(find "$home_dir/.config/kitty" -maxdepth 1 -name '*.bak.*' -print -quit)"
  [ -z "$backup" ] || fail "Rerun must not create backups of its own symlinks: $backup"
}

test_existing_wezterm_config_is_backed_up() {
  local fixture repo_root home_dir backup
  fixture="$(setup_fixture)"
  repo_root="$fixture/repo"
  home_dir="$fixture/home"
  mkdir -p "$home_dir"
  # Тот же конфликт, но у пакета с файлом прямо в HOME, а не в ~/.config.
  printf '%s\n' 'local wezterm = require("wezterm")' > "$home_dir/.wezterm.lua"

  run_install "$repo_root" "$home_dir" env WSL_DISTRO_NAME= INSTALL_INTERACTIVE_MODE=never >"$fixture/install.out"

  [ -L "$home_dir/.wezterm.lua" ] || fail "Expected managed .wezterm.lua symlink"
  backup="$(find "$home_dir" -maxdepth 1 -name '.wezterm.lua.bak.*' -print -quit)"
  [ -n "$backup" ] || fail "Expected backup of the pre-existing .wezterm.lua"
  assert_file_contains "$backup" 'require("wezterm")'
}

test_folded_package_runtime_files_are_not_backed_up() {
  local fixture repo_root home_dir backup
  fixture="$(setup_fixture)"
  repo_root="$fixture/repo"
  home_dir="$fixture/home"
  mkdir -p "$home_dir"

  run_install "$repo_root" "$home_dir" env WSL_DISTRO_NAME= INSTALL_INTERACTIVE_MODE=never >"$fixture/install.out"
  # ~/.codex свёрнут в симлинк на пакет: файлы внутри — уже наши, не конфликт.
  printf '%s\n' '{}' > "$home_dir/.codex/auth.json"

  run_install "$repo_root" "$home_dir" env WSL_DISTRO_NAME= INSTALL_INTERACTIVE_MODE=never >"$fixture/install2.out"

  backup="$(find "$repo_root" "$home_dir" -name '*.bak.*' -print -quit)"
  [ -z "$backup" ] || fail "Folded package contents must not be backed up: $backup"
  assert_file_contains "$home_dir/.codex/auth.json" "{}"
}

test_migrates_legacy_zed_config_symlink() {
  local fixture repo_root home_dir legacy_config output mode
  fixture="$(setup_fixture)"
  repo_root="$fixture/repo"
  home_dir="$fixture/home"
  legacy_config="$repo_root/zed/.config"
  mkdir -p "$home_dir" "$legacy_config/btop" "$legacy_config/proxy-client"
  printf '%s\n' 'btop settings' > "$legacy_config/btop/btop.conf"
  printf '%s\n' 'VLESS_PROFILE_SENTINEL' > "$legacy_config/proxy-client/default.url"
  chmod 600 "$legacy_config/proxy-client/default.url"
  ln -s "$legacy_config" "$home_dir/.config"

  if ! output="$(
    run_install "$repo_root" "$home_dir" \
      env WSL_DISTRO_NAME= INSTALL_INTERACTIVE_MODE=never
  )"; then
    fail "Expected legacy ~/.config migration to complete"
  fi

  [ -d "$home_dir/.config" ] || fail "Expected migrated ~/.config directory"
  [ ! -L "$home_dir/.config" ] || fail "Expected migrated ~/.config to stop being a symlink"
  # zed больше не stow-пакет (см. PACKAGES), поэтому после миграции каталог
  # zed остаётся в репозитории и в ~/.config не появляется.
  assert_not_exists "$home_dir/.config/zed"
  [ -d "$home_dir/.config/btop" ] || fail "Expected btop config to be migrated"
  [ ! -L "$home_dir/.config/btop" ] || fail "Expected btop config outside the repository"
  [ -f "$home_dir/.config/proxy-client/default.url" ] || fail "Expected profile to be migrated"
  [ ! -L "$home_dir/.config/proxy-client/default.url" ] || fail "Expected profile outside the repository"
  mode="$(stat -c '%a' "$home_dir/.config/proxy-client/default.url")"
  [ "$mode" = "600" ] || fail "Expected profile mode 600, got $mode"
  assert_file_contains "$home_dir/.config/proxy-client/default.url" "VLESS_PROFILE_SENTINEL"
  assert_not_exists "$legacy_config/btop"
  assert_not_exists "$legacy_config/proxy-client"
  if printf '%s' "$output" | grep -Fq 'VLESS_PROFILE_SENTINEL'; then
    fail "Secret profile leaked into install output"
  fi

  run_install "$repo_root" "$home_dir" env WSL_DISTRO_NAME= INSTALL_INTERACTIVE_MODE=never >"$fixture/install.out"
  assert_file_contains "$home_dir/.config/proxy-client/default.url" "VLESS_PROFILE_SENTINEL"
}

test_stops_legacy_migration_when_listing_fails() {
  local fixture repo_root home_dir legacy_config target expected
  fixture="$(setup_fixture)"
  repo_root="$fixture/repo"
  home_dir="$fixture/home"
  legacy_config="$repo_root/zed/.config"
  mkdir -p "$home_dir" "$legacy_config/proxy-client"
  printf '%s\n' 'VLESS_PROFILE_SENTINEL' > "$legacy_config/proxy-client/default.url"
  ln -s "$legacy_config" "$home_dir/.config"

  cat > "$fixture/bin/find" <<'EOF'
#!/usr/bin/env bash
exit 7
EOF
  chmod +x "$fixture/bin/find"

  if run_install "$repo_root" "$home_dir" \
    env PATH="$fixture/bin:$PATH" WSL_DISTRO_NAME= INSTALL_INTERACTIVE_MODE=never \
    >"$fixture/install.out" 2>&1; then
    fail "Expected migration to stop when legacy config listing fails"
  fi

  [ -L "$home_dir/.config" ] || fail "Expected legacy ~/.config symlink after listing failure"
  target="$(readlink -f "$home_dir/.config")"
  expected="$(readlink -f "$legacy_config")"
  [ "$target" = "$expected" ] || fail "Legacy ~/.config target changed after listing failure"
  assert_file_contains "$legacy_config/proxy-client/default.url" "VLESS_PROFILE_SENTINEL"
}

test_does_not_migrate_unrelated_config_symlink() {
  local fixture repo_root home_dir unrelated_config target expected
  fixture="$(setup_fixture)"
  repo_root="$fixture/repo"
  home_dir="$fixture/home"
  unrelated_config="$fixture/unrelated-config"
  mkdir -p "$home_dir" "$unrelated_config"
  printf '%s\n' 'keep me' > "$unrelated_config/local.conf"
  ln -s "$unrelated_config" "$home_dir/.config"

  # Stow вправе сообщить о конфликте, но установщик не должен раскрывать
  # произвольную ссылку и переносить чужие данные.
  run_install "$repo_root" "$home_dir" \
    env WSL_DISTRO_NAME= INSTALL_INTERACTIVE_MODE=never >"$fixture/install.out" 2>&1 || true

  [ -L "$home_dir/.config" ] || fail "Expected unrelated ~/.config symlink to be preserved"
  target="$(readlink -f "$home_dir/.config")"
  expected="$(readlink -f "$unrelated_config")"
  [ "$target" = "$expected" ] || fail "Unrelated ~/.config symlink target changed"
  assert_file_contains "$unrelated_config/local.conf" "keep me"
  assert_not_exists "$unrelated_config/proxy-client"
}

test_does_not_follow_unrelated_local_symlink() {
  local fixture repo_root home_dir unrelated_local target expected
  fixture="$(setup_fixture)"
  repo_root="$fixture/repo"
  home_dir="$fixture/home"
  unrelated_local="$fixture/unrelated-local"
  mkdir -p "$home_dir" "$unrelated_local"
  printf '%s\n' 'keep me' > "$unrelated_local/local.conf"
  ln -s "$unrelated_local" "$home_dir/.local"

  # Установщик не должен создавать bin через произвольную ссылку ~/.local.
  run_install "$repo_root" "$home_dir" \
    env WSL_DISTRO_NAME= INSTALL_INTERACTIVE_MODE=never >"$fixture/install.out" 2>&1 || true

  [ -L "$home_dir/.local" ] || fail "Expected unrelated ~/.local symlink to be preserved"
  target="$(readlink -f "$home_dir/.local")"
  expected="$(readlink -f "$unrelated_local")"
  [ "$target" = "$expected" ] || fail "Unrelated ~/.local target changed"
  assert_file_contains "$unrelated_local/local.conf" "keep me"
  assert_not_exists "$unrelated_local/bin"
}

test_settings_local_is_symlinked_to_repo() {
  local fixture repo_root home_dir
  fixture="$(setup_fixture)"
  repo_root="$fixture/repo"
  home_dir="$fixture/home"
  mkdir -p "$home_dir"

  run_install "$repo_root" "$home_dir" env WSL_DISTRO_NAME= INSTALL_INTERACTIVE_MODE=never >/tmp/test-install.out

  [ -L "$home_dir/.claude/settings.local.json" ] || fail "Expected settings.local.json to be a symlink"
  local target
  target="$(readlink -f "$home_dir/.claude/settings.local.json")"
  local expected
  expected="$(readlink -f "$repo_root/claude/.claude/settings.local.json")"
  [ "$target" = "$expected" ] || fail "settings.local.json points to $target, expected $expected"
}

test_settings_local_backup_on_existing_file() {
  local fixture repo_root home_dir
  fixture="$(setup_fixture)"
  repo_root="$fixture/repo"
  home_dir="$fixture/home"
  mkdir -p "$home_dir/.claude"
  echo '{"model":"sonnet"}' > "$home_dir/.claude/settings.local.json"

  run_install "$repo_root" "$home_dir" env WSL_DISTRO_NAME= INSTALL_INTERACTIVE_MODE=never >/tmp/test-install.out

  [ -L "$home_dir/.claude/settings.local.json" ] || fail "Expected settings.local.json to become a symlink"
  local backup
  backup="$(find "$home_dir/.claude" -maxdepth 1 -name 'settings.local.json.bak.*' -print -quit)"
  [ -n "$backup" ] || fail "Expected backup for existing settings.local.json"
  assert_file_contains "$backup" '"model":"sonnet"'
}

test_settings_local_dir_is_skipped() {
  local fixture repo_root home_dir
  fixture="$(setup_fixture)"
  repo_root="$fixture/repo"
  home_dir="$fixture/home"
  mkdir -p "$home_dir/.claude/settings.local.json"

  run_install "$repo_root" "$home_dir" env WSL_DISTRO_NAME= INSTALL_INTERACTIVE_MODE=never >/tmp/test-install.out

  [ -d "$home_dir/.claude/settings.local.json" ] || fail "Expected directory to be preserved (not replaced)"
}

test_stow_migration_preserves_legacy_settings_local() {
  local fixture repo_root home_dir stow_target
  fixture="$(setup_fixture)"
  repo_root="$fixture/repo"
  home_dir="$fixture/home"
  mkdir -p "$home_dir"

  # Simulate old stow layout: ~/.claude → repo dir
  stow_target="$repo_root/claude/.claude"
  ln -s "$stow_target" "$home_dir/.claude"
  # Put a legacy settings.local.json in the stow target (would have been gitignored before)
  echo '{"model":"opus"}' > "$stow_target/legacy-local.json"

  run_install "$repo_root" "$home_dir" env WSL_DISTRO_NAME= INSTALL_INTERACTIVE_MODE=never >/tmp/test-install.out

  [ -d "$home_dir/.claude" ] || fail "Expected ~/.claude to become a directory"
  [ ! -L "$home_dir/.claude" ] || fail "Expected ~/.claude to stop being a symlink"
  [ -L "$home_dir/.claude/settings.local.json" ] || fail "Expected settings.local.json symlink after migration"
  # legacy-local.json should have been moved from stow dir to real ~/.claude
  [ -f "$home_dir/.claude/legacy-local.json" ] || fail "Expected legacy file to be migrated"
}

test_rerun_does_not_duplicate_bashrc_line() {
  local fixture repo_root home_dir count
  fixture="$(setup_fixture)"
  repo_root="$fixture/repo"
  home_dir="$fixture/home"
  mkdir -p "$home_dir"

  run_install "$repo_root" "$home_dir" env WSL_DISTRO_NAME= INSTALL_INTERACTIVE_MODE=never >/tmp/test-install.out
  run_install "$repo_root" "$home_dir" env WSL_DISTRO_NAME= INSTALL_INTERACTIVE_MODE=never >/tmp/test-install.out

  count="$(grep -Fxc '[ -f ~/.bash_custom ] && source ~/.bash_custom' "$home_dir/.bashrc")"
  [ "$count" -eq 1 ] || fail "Expected bash_custom line once, got $count"
}

test_repairs_nested_skills_directory_bug() {
  local fixture repo_root home_dir
  fixture="$(setup_fixture)"
  repo_root="$fixture/repo"
  home_dir="$fixture/home"
  mkdir -p "$home_dir/.claude/skills"
  ln -s "$repo_root/agents/.agents/skills" "$home_dir/.claude/skills/skills"

  run_install "$repo_root" "$home_dir" env WSL_DISTRO_NAME= INSTALL_INTERACTIVE_MODE=never >/tmp/test-install.out

  [ -L "$home_dir/.claude/skills" ] || fail "Expected repaired ~/.claude/skills symlink"
  assert_not_exists "$home_dir/.claude/skills/skills"
}

test_preserves_nonempty_skills_directory() {
  local fixture repo_root home_dir
  fixture="$(setup_fixture)"
  repo_root="$fixture/repo"
  home_dir="$fixture/home"
  mkdir -p "$home_dir/.claude/skills"
  echo local > "$home_dir/.claude/skills/local.txt"

  run_install "$repo_root" "$home_dir" env WSL_DISTRO_NAME= INSTALL_INTERACTIVE_MODE=never >/tmp/test-install.out

  [ -d "$home_dir/.claude/skills" ] || fail "Expected ~/.claude/skills directory to be preserved"
  [ -f "$home_dir/.claude/skills/local.txt" ] || fail "Expected local skill data to be preserved"
}

test_opencode_runtime_dir_is_preserved_and_config_is_managed() {
  local fixture repo_root home_dir backup_path
  fixture="$(setup_fixture)"
  repo_root="$fixture/repo"
  home_dir="$fixture/home"
  mkdir -p "$home_dir/.config/opencode"
  echo runtime > "$home_dir/.config/opencode/package.json"
  cat > "$home_dir/.config/opencode/opencode.json" <<'EOF'
{"source":"local"}
EOF

  run_install "$repo_root" "$home_dir" env WSL_DISTRO_NAME= INSTALL_INTERACTIVE_MODE=never >/tmp/test-install.out

  [ -f "$home_dir/.config/opencode/package.json" ] || fail "Expected opencode runtime files to be preserved"
  [ -L "$home_dir/.config/opencode/agents" ] || fail "Expected ~/.config/opencode/agents symlink"
  [ -L "$home_dir/.config/opencode/skills" ] || fail "Expected ~/.config/opencode/skills symlink"
  assert_file_contains "$home_dir/.config/opencode/opencode.json" '"$schema": "https://opencode.ai/config.json"'

  backup_path="$(find "$home_dir/.config/opencode" -maxdepth 1 -name 'opencode.json.bak.*' -print -quit)"
  [ -n "$backup_path" ] || fail "Expected backup for existing opencode.json"
  assert_file_contains "$backup_path" '"source":"local"'
}

test_broken_claude_symlink_does_not_fail() {
  local fixture repo_root home_dir
  fixture="$(setup_fixture)"
  repo_root="$fixture/repo"
  home_dir="$fixture/home"
  mkdir -p "$home_dir"
  ln -s "$fixture/missing-claude-dir" "$home_dir/.claude"

  run_install "$repo_root" "$home_dir" env WSL_DISTRO_NAME= INSTALL_INTERACTIVE_MODE=never >/tmp/test-install.out

  [ -d "$home_dir/.claude" ] || fail "Expected ~/.claude directory after migration"
  [ ! -L "$home_dir/.claude" ] || fail "Expected ~/.claude to stop being a symlink"
}

test_absolute_symlinks_in_home_do_not_break_install() {
  local fixture repo_root home_dir
  fixture="$(setup_fixture)"
  repo_root="$fixture/repo"
  home_dir="$fixture/home"
  mkdir -p "$home_dir" "$fixture/windows/.aws" "$fixture/windows/.azure"
  ln -s "$fixture/windows/.aws" "$home_dir/.aws"
  ln -s "$fixture/windows/.azure" "$home_dir/.azure"

  run_install "$repo_root" "$home_dir" env WSL_DISTRO_NAME= INSTALL_INTERACTIVE_MODE=never >/tmp/test-install.out
  run_install "$repo_root" "$home_dir" env WSL_DISTRO_NAME= INSTALL_INTERACTIVE_MODE=never >/tmp/test-install.out

  [ -L "$home_dir/.aws" ] || fail "Expected ~/.aws symlink to survive install"
  [ -L "$home_dir/.azure" ] || fail "Expected ~/.azure symlink to survive install"
}

test_wsl_noninteractive_skips_file_changes() {
  local fixture repo_root home_dir wsl_conf output
  fixture="$(setup_fixture)"
  repo_root="$fixture/repo"
  home_dir="$fixture/home"
  wsl_conf="$fixture/wsl.conf"
  mkdir -p "$home_dir"
  printf '[automount]\n' > "$wsl_conf"

  output="$(
    run_install "$repo_root" "$home_dir" \
      env WSL_DISTRO_NAME=Ubuntu INSTALL_INTERACTIVE_MODE=never WSL_CONF_PATH="$wsl_conf"
  )"

  assert_file_contains "$wsl_conf" "[automount]"
  if grep -Fq '[boot]' "$wsl_conf"; then
    fail "WSL config should not be modified in non-interactive mode"
  fi
  printf '%s' "$output" | grep -Fq 'Добавьте вручную:' || fail "Expected manual WSL hint"
}

test_wsl_noninteractive_existing_boot_command_is_preserved() {
  local fixture repo_root home_dir wsl_conf output
  fixture="$(setup_fixture)"
  repo_root="$fixture/repo"
  home_dir="$fixture/home"
  wsl_conf="$fixture/wsl.conf"
  mkdir -p "$home_dir"
  cat > "$wsl_conf" <<'EOF'
[boot]
command = "/usr/local/bin/existing.sh"
EOF

  output="$(
    run_install "$repo_root" "$home_dir" \
      env WSL_DISTRO_NAME=Ubuntu INSTALL_INTERACTIVE_MODE=never WSL_CONF_PATH="$wsl_conf"
  )"

  assert_file_contains "$wsl_conf" 'command = "/usr/local/bin/existing.sh"'
  if grep -Fq 'setup-hproxy.sh' "$wsl_conf"; then
    fail "Expected existing boot command to stay untouched"
  fi
  printf '%s' "$output" | grep -Fq 'уже содержит [boot] command' || fail "Expected warning about existing boot command"
  if printf '%s' "$output" | grep -Fq 'Добавьте вручную:'; then
    fail "Did not expect manual add hint when [boot] command already exists"
  fi
}

test_wsl_legacy_boot_command_suggests_migration() {
  local fixture repo_root home_dir wsl_conf output command_line
  fixture="$(setup_fixture)"
  repo_root="$fixture/repo"
  home_dir="$fixture/home"
  wsl_conf="$fixture/wsl.conf"
  mkdir -p "$home_dir"
  cat > "$wsl_conf" <<'EOF'
[boot]
command = "ip route show default | awk '{print $3 \" hproxy.local\"}' >> /etc/hosts"
EOF
  command_line="command = \"$repo_root/scripts/setup-hproxy.sh\""

  output="$(
    run_install "$repo_root" "$home_dir" \
      env WSL_DISTRO_NAME=Ubuntu INSTALL_INTERACTIVE_MODE=never WSL_CONF_PATH="$wsl_conf"
  )"

  assert_file_contains "$wsl_conf" 'command = "ip route show default | awk '\''{print $3 \" hproxy.local\"}'\'' >> /etc/hosts"'
  printf '%s' "$output" | grep -Fq 'legacy boot command' || fail "Expected legacy boot command warning"
  printf '%s' "$output" | grep -Fq 'Рекомендуется заменить' || fail "Expected migration hint to replace legacy command"
  printf '%s' "$output" | grep -Fq "$command_line" || fail "Expected suggested setup-hproxy.sh command"
}

test_wsl_interactive_adds_boot_command() {
  local fixture repo_root home_dir wsl_conf command_line
  fixture="$(setup_fixture)"
  repo_root="$fixture/repo"
  home_dir="$fixture/home"
  wsl_conf="$fixture/wsl.conf"
  mkdir -p "$home_dir"
  printf '[automount]\n' > "$wsl_conf"
  command_line="command = \"$repo_root/scripts/setup-hproxy.sh\""

  printf 'y\n' | run_install "$repo_root" "$home_dir" \
    env WSL_DISTRO_NAME=Ubuntu INSTALL_INTERACTIVE_MODE=always WSL_CONF_PATH="$wsl_conf" >/tmp/test-install.out

  assert_file_contains "$wsl_conf" "[boot]"
  assert_file_contains "$wsl_conf" "$command_line"
}

test_wsl_existing_boot_command_is_preserved() {
  local fixture repo_root home_dir wsl_conf output
  fixture="$(setup_fixture)"
  repo_root="$fixture/repo"
  home_dir="$fixture/home"
  wsl_conf="$fixture/wsl.conf"
  mkdir -p "$home_dir"
  cat > "$wsl_conf" <<'EOF'
[boot]
command = "/usr/local/bin/existing.sh"
EOF

  output="$(
    printf 'y\n' | run_install "$repo_root" "$home_dir" \
      env WSL_DISTRO_NAME=Ubuntu INSTALL_INTERACTIVE_MODE=always WSL_CONF_PATH="$wsl_conf"
  )"

  assert_file_contains "$wsl_conf" 'command = "/usr/local/bin/existing.sh"'
  if grep -Fq 'setup-hproxy.sh' "$wsl_conf"; then
    fail "Expected existing boot command to stay untouched"
  fi
  printf '%s' "$output" | grep -Fq 'уже содержит [boot] command' || fail "Expected warning about existing boot command"
}

main() {
  command -v stow >/dev/null 2>&1 || fail "stow is required for tests"

  test_fresh_install_uses_home_target
  test_fresh_install_does_not_fold_config_into_kitty
  test_existing_kitty_config_is_backed_up_and_does_not_abort_stow
  test_foreign_kitty_config_symlink_is_backed_up
  test_rerun_does_not_backup_managed_kitty_config
  test_existing_wezterm_config_is_backed_up
  test_folded_package_runtime_files_are_not_backed_up
  test_migrates_legacy_zed_config_symlink
  test_stops_legacy_migration_when_listing_fails
  test_does_not_migrate_unrelated_config_symlink
  test_does_not_follow_unrelated_local_symlink
  test_settings_local_is_symlinked_to_repo
  test_settings_local_backup_on_existing_file
  test_settings_local_dir_is_skipped
  test_stow_migration_preserves_legacy_settings_local
  test_rerun_does_not_duplicate_bashrc_line
  test_repairs_nested_skills_directory_bug
  test_preserves_nonempty_skills_directory
  test_opencode_runtime_dir_is_preserved_and_config_is_managed
  test_broken_claude_symlink_does_not_fail
  test_absolute_symlinks_in_home_do_not_break_install
  test_wsl_noninteractive_skips_file_changes
  test_wsl_noninteractive_existing_boot_command_is_preserved
  test_wsl_legacy_boot_command_suggests_migration
  test_wsl_interactive_adds_boot_command
  test_wsl_existing_boot_command_is_preserved

  echo "All install tests passed"
}

main "$@"