#!/usr/bin/env bats
# tests/gen-keybinds.bats — black-box tests for scripts/gen-keybinds.sh
#
# Contract: parse a keybinds.kdl into a markdown cheat sheet on stdout,
# or into a file with --write OUT. Observable surface: markdown rows,
# section headers, exit status, written file.

setup() {
  GEN="$BATS_TEST_DIRNAME/../scripts/gen-keybinds.sh"
  TMP="$(mktemp -d)"
  cat > "$TMP/keybinds.kdl" <<'EOF'
binds {
    // ─── Applications ───
    Mod+Return hotkey-overlay-title="Open Terminal: Ghostty" { spawn "ghostty"; }
    Mod+D hotkey-overlay-title="Open App Launcher: noctalia launcher" { spawn-sh "noctalia msg panel-toggle launcher"; }
    Mod+E { spawn "nautilus"; }

    // ─── Screenshots ───
    Print hotkey-overlay-title="Fullscreen screenshot" { spawn-sh "noctalia msg screenshot-fullscreen"; }

    // a plain comment, not a section
    Mod+Shift+ESCAPE { show-hotkey-overlay; }
}
EOF
}

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

@test "renders a row per bind with title preferred over action" {
  run "$GEN" "$TMP/keybinds.kdl"
  [ "$status" -eq 0 ]
  [[ "$output" == *'| `Mod+D` | Open App Launcher: noctalia launcher |'* ]]
  [[ "$output" == *'| `Mod+Return` | Open Terminal: Ghostty |'* ]]
}

@test "binds without a title render their action" {
  run "$GEN" "$TMP/keybinds.kdl"
  [[ "$output" == *'| `Mod+E` | spawn "nautilus" |'* ]]
  [[ "$output" == *'| `Mod+Shift+ESCAPE` | show-hotkey-overlay |'* ]]
}

@test "section comments become headers; plain comments are ignored" {
  run "$GEN" "$TMP/keybinds.kdl"
  [[ "$output" == *"## Applications"* ]]
  [[ "$output" == *"## Screenshots"* ]]
  [[ "$output" != *"a plain comment"* ]]
}

@test "row count matches bind count" {
  run "$GEN" "$TMP/keybinds.kdl"
  local rows
  rows="$(grep -c '^| `' <<<"$output")"
  [ "$rows" -eq 5 ]
}

@test "--write writes the markdown to the given path" {
  run "$GEN" "$TMP/keybinds.kdl" --write "$TMP/out/keybindings.md"
  [ "$status" -eq 0 ]
  [ -f "$TMP/out/keybindings.md" ]
  grep -q '| `Mod+D` | Open App Launcher: noctalia launcher |' "$TMP/out/keybindings.md"
  grep -q 'GENERATED' "$TMP/out/keybindings.md"
}

@test "output begins with OKF frontmatter so the artifact passes kb-lint" {
  run "$GEN" "$TMP/keybinds.kdl"
  [ "${lines[0]}" = '---' ]
  [[ "${lines[1]}" == 'type: reference' ]]
  grep -q '^generated:' <<<"$output"
}

@test "missing input file fails loudly" {
  run "$GEN" "$TMP/nope.kdl"
  [ "$status" -ne 0 ]
  [[ "$output" == *"no such file"* ]]
}