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

# =============================================================================
# phase5_post_check.sh — Verify Phase 5 (Pipeline Migration) succeeded
# Checks for each repo:
#   1. .gitea/workflows/ directory exists (via Gitea contents API)
#   2. At least one .yml file in the directory
# Repos without .github/workflows are expected to be skipped.
# Exits 0 only if ALL expected checks pass.
# =============================================================================

SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
source "${SCRIPT_DIR}/lib/common.sh"

load_env
require_vars GITEA_ADMIN_TOKEN GITEA_INTERNAL_URL GITEA_ORG_NAME \
             REPO_1_NAME REPO_2_NAME REPO_3_NAME

log_info "=== Phase 5 Post-Check ==="

REPOS=("$REPO_1_NAME" "$REPO_2_NAME" "$REPO_3_NAME")
PASS=0
FAIL=0
SKIP=0

for repo in "${REPOS[@]}"; do
  log_info "--- Checking repo: ${repo} ---"

  # Check if .gitea/workflows exists via Gitea contents API
  WORKFLOWS_RESPONSE=$(gitea_api GET "/repos/${GITEA_ORG_NAME}/${repo}/contents/.gitea/workflows" 2>/dev/null || echo "")

  if [[ -z "$WORKFLOWS_RESPONSE" ]]; then
    # Directory doesn't exist — check if the repo had GitHub workflows
    # If not, this is expected (skipped during migration, not a failure)
    GH_WORKFLOWS=$(gitea_api GET "/repos/${GITEA_ORG_NAME}/${repo}/contents/.github/workflows" 2>/dev/null || echo "")
    if [[ -z "$GH_WORKFLOWS" ]]; then
      log_info "${repo}: No .github/workflows/ — skipped (expected)"
      SKIP=$((SKIP + 1))
    else
      log_error "FAIL: ${repo}: .github/workflows/ exists but .gitea/workflows/ missing"
      FAIL=$((FAIL + 1))
    fi
    continue
  fi

  # Check that at least one .yml file exists in the directory
  YML_COUNT=$(printf '%s' "$WORKFLOWS_RESPONSE" | jq '[.[] | select(.name | test("\\.(yml|yaml)$"))] | length' 2>/dev/null || echo 0)
  if [[ "$YML_COUNT" -gt 0 ]]; then
    log_success "${repo}: .gitea/workflows/ has ${YML_COUNT} workflow file(s)"
    PASS=$((PASS + 1))
  else
    log_error "FAIL: ${repo}: .gitea/workflows/ exists but has no .yml files"
    FAIL=$((FAIL + 1))
  fi
done

# Summary
printf '\n'
log_info "Results: ${PASS} passed, ${SKIP} skipped (no source workflows), ${FAIL} failed"

if [[ $FAIL -gt 0 ]]; then
  log_error "Phase 5 post-check FAILED"
  exit 1
else
  log_success "Phase 5 post-check PASSED"
  exit 0
fi