#!/usr/bin/env bats
# tests/unit/sync.bats — Sync/import algorithm tests

setup() {
  export JOSH_SYNC_ROOT="$(cd "$BATS_TEST_DIRNAME/../.." && pwd)"
  source "$JOSH_SYNC_ROOT/lib/core.sh"
  source "$JOSH_SYNC_ROOT/lib/sync.sh"

  TEST_ROOT="$(mktemp -d)"
  export BOT_NAME="test-bot"
  export BOT_EMAIL="test-bot@test.local"
  export BOT_TRAILER="Josh-Sync-Origin"
  export GITEA_TOKEN="test-token"
  export MONOREPO_API="https://gitea.test.local/api/v1/repos/org/mono"
  export JOSH_SYNC_TARGET_NAME="crm"
  export JOSH_SYNC_TARGETS='[{"name":"crm","subfolder":"apps/crm"}]'
  export SYNC_BRANCH_MONO="main"
  export SYNC_BRANCH_SUBREPO="main"
}

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

make_mono_repo() {
  local work="${TEST_ROOT}/mono-work"
  local bare="${TEST_ROOT}/mono.git"

  git init "$work" >/dev/null
  git -C "$work" checkout -b main >/dev/null
  git -C "$work" config user.name "Test User"
  git -C "$work" config user.email "test@test.local"
  printf 'mono\n' > "${work}/README.md"
  git -C "$work" add README.md
  git -C "$work" commit -m "mono base" >/dev/null

  git init --bare "$bare" >/dev/null
  git -C "$work" remote add origin "$bare"
  git -C "$work" push origin main >/dev/null
  printf '%s\n' "$bare"
}

make_subrepo_with_tracked_ignored_file() {
  local work="${TEST_ROOT}/subrepo-work"
  local bare="${TEST_ROOT}/subrepo.git"

  git init "$work" >/dev/null
  git -C "$work" checkout -b main >/dev/null
  git -C "$work" config user.name "Test User"
  git -C "$work" config user.email "test@test.local"

  mkdir -p "${work}/.dependencies"
  printf '.dependencies/\n' > "${work}/.gitignore"
  printf 'visible\n' > "${work}/visible.txt"
  printf 'tracked even though ignored\n' > "${work}/.dependencies/tracked.txt"

  git -C "$work" add .gitignore visible.txt
  git -C "$work" add -f .dependencies/tracked.txt
  git -C "$work" commit -m "subrepo with tracked ignored file" >/dev/null

  git init --bare "$bare" >/dev/null
  git -C "$work" remote add origin "$bare"
  git -C "$work" push origin main >/dev/null
  printf '%s\n' "$bare"
}

mono_auth_url() {
  printf '%s\n' "$MONO_BARE"
}

subrepo_auth_url() {
  printf '%s\n' "$SUBREPO_BARE"
}

create_pr() {
  printf '%s\n' "$4" > "${TEST_ROOT}/created-pr-head"
}

@test "initial_import stages files tracked in subrepo even when ignored by copied .gitignore" {
  MONO_BARE="$(make_mono_repo)"
  SUBREPO_BARE="$(make_subrepo_with_tracked_ignored_file)"

  local result import_branch
  result="$(initial_import)"
  import_branch="$(cat "${TEST_ROOT}/created-pr-head")"

  [ "$result" = "pr-created" ]
  git --git-dir="$MONO_BARE" ls-tree -r --name-only "$import_branch" \
    | grep -q '^apps/crm/.dependencies/tracked.txt$'
}