#!/usr/bin/env bats
# Tests for skills/obsidian-vault-kb/scripts/vault_index.sh.

load '../helpers/common'

setup() {
  sandbox_home
  SCRIPT="$REPO_ROOT/skills/obsidian-vault-kb/scripts/vault_index.sh"
  CONFIG_FILE="$HOME/.agent-skills/obsidian-vault-kb/config.json"
  VAULT="$BATS_TEST_TMPDIR/vault"
  make_test_vault "$VAULT"
  write_vault_config "$CONFIG_FILE" "append" "v=$VAULT"
}

@test "folder structure excludes .obsidian and .git" {
  run "$SCRIPT" v
  [ "$status" -eq 0 ]
  [[ "$output" == *"/Notes"* ]]
  [[ "$output" != *".obsidian"* ]]
  [[ "$output" != *"/.git"* ]]
}

@test "note count per top-level folder counts only .md files" {
  run "$SCRIPT" v
  [ "$status" -eq 0 ]
  [[ "$output" == *"Notes: 2"* ]]
}

@test "frontmatter tags are extracted and deduplicated" {
  run "$SCRIPT" v
  [ "$status" -eq 0 ]
  for tag in dns homelab networking overview; do
    [[ "$output" == *"$tag"* ]]
  done
}

@test "a note matching *overview* is flagged as a possible MOC file" {
  run "$SCRIPT" v
  [ "$status" -eq 0 ]
  [[ "$output" == *"homelab-overview.md"* ]]
}

@test "unknown vault name errors" {
  run "$SCRIPT" not-a-real-vault
  [ "$status" -eq 1 ]
  [[ "$output" == *"no vault named"* ]]
}

# --- resolve_vault_path / canonicalize_and_check_dir edge cases ---
# (exercised via vault_index.sh as a representative of the shared _lib.sh
# logic used identically by vault_search.sh and vault_backlinks.sh)

@test "no config file at all errors" {
  rm -f "$CONFIG_FILE"
  run "$SCRIPT"
  [ "$status" -eq 1 ]
  [[ "$output" == *"no configuration found"* ]]
}

@test "an empty vaults array errors" {
  write_vault_config "$CONFIG_FILE" "append"
  run "$SCRIPT"
  [ "$status" -eq 1 ]
  [[ "$output" == *"no vaults defined"* ]]
}

@test "multiple vaults registered without a name errors and lists names" {
  VAULT2="$BATS_TEST_TMPDIR/vault2"
  make_test_vault "$VAULT2"
  write_vault_config "$CONFIG_FILE" "append" "v=$VAULT" "v2=$VAULT2"
  run "$SCRIPT"
  [ "$status" -eq 1 ]
  [[ "$output" == *"multiple vaults configured"* ]]
  [[ "$output" == *"v2"* ]]
}

@test "a registered vault path that no longer exists errors" {
  write_vault_config "$CONFIG_FILE" "append" "gone=$BATS_TEST_TMPDIR/does-not-exist"
  run "$SCRIPT" gone
  [ "$status" -eq 1 ]
  [[ "$output" == *"does not exist"* ]]
}

@test "a registered vault path that is a file, not a directory, errors" {
  FILE_PATH="$BATS_TEST_TMPDIR/not-a-dir"
  echo "just a file" > "$FILE_PATH"
  write_vault_config "$CONFIG_FILE" "append" "plain=$FILE_PATH"
  run "$SCRIPT" plain
  [ "$status" -eq 1 ]
  [[ "$output" == *"is not a directory"* ]]
}

@test "missing python3 fails with a clear error instead of a silent crash" {
  hide_command python3
  run "$SCRIPT" v
  [ "$status" -eq 1 ]
  [[ "$output" == *"python3 is required"* ]]
}