#!/usr/bin/env bash
# Copyright (C) 2026 Moko Consulting <hello@mokoconsulting.tech>
# SPDX-License-Identifier: GPL-3.0-or-later
# BRIEF: Trigger a workflow across all client-waas repos in a Gitea org

set -euo pipefail

# ---------------------------------------------------------------------------
# Usage
# ---------------------------------------------------------------------------
usage() {
  cat <<EOF
Usage: $(basename "$0") GITEA_URL TOKEN ORG WORKFLOW [REF] [INPUTS]

Arguments:
  GITEA_URL   Base URL of the Gitea instance (e.g. https://git.mokoconsulting.tech)
  TOKEN       Gitea API token with repo/action permissions
  ORG         Organisation or user that owns the repos
  WORKFLOW    Workflow filename to trigger (e.g. dependency-audit.yml)
  REF         Branch ref to run against (default: main)
  INPUTS      Optional JSON object of workflow inputs (e.g. '{"dry_run":"true"}')

Example:
  $(basename "$0") https://git.mokoconsulting.tech abc123 MokoConsulting dependency-audit.yml main '{"notify":"true"}'
EOF
  exit 1
}

# ---------------------------------------------------------------------------
# Argument parsing
# ---------------------------------------------------------------------------
if [ $# -lt 4 ]; then
  usage
fi

GITEA_URL="${1%/}"
TOKEN="$2"
ORG="$3"
WORKFLOW="$4"
REF="${5:-main}"
INPUTS="${6:-{\}}"

# ---------------------------------------------------------------------------
# Fetch all repos in the org, paginated
# ---------------------------------------------------------------------------
echo "Fetching repos for org '${ORG}' on ${GITEA_URL} ..."

PAGE=1
LIMIT=50
ALL_REPOS=""

while true; do
  RESPONSE=$(curl -s \
    -H "Authorization: token ${TOKEN}" \
    -H "Accept: application/json" \
    "${GITEA_URL}/api/v1/orgs/${ORG}/repos?page=${PAGE}&limit=${LIMIT}")

  # Break if empty array
  COUNT=$(echo "$RESPONSE" | jq -r 'length')
  if [ "$COUNT" -eq 0 ]; then
    break
  fi

  NAMES=$(echo "$RESPONSE" | jq -r '.[].name')
  ALL_REPOS="${ALL_REPOS}${NAMES}"$'\n'

  if [ "$COUNT" -lt "$LIMIT" ]; then
    break
  fi

  PAGE=$((PAGE + 1))
done

# ---------------------------------------------------------------------------
# Filter for client-waas repos
# ---------------------------------------------------------------------------
CLIENT_REPOS=$(echo "$ALL_REPOS" | grep 'client-waas' | sort || true)

if [ -z "$CLIENT_REPOS" ]; then
  echo "No client-waas repos found in org '${ORG}'."
  exit 0
fi

TOTAL=$(echo "$CLIENT_REPOS" | wc -l | tr -d ' ')
echo "Found ${TOTAL} client-waas repo(s). Triggering workflow '${WORKFLOW}' (ref: ${REF}) ..."
echo ""

# ---------------------------------------------------------------------------
# Trigger workflow for each repo
# ---------------------------------------------------------------------------
SUCCESS=0
FAIL=0

while IFS= read -r REPO; do
  [ -z "$REPO" ] && continue

  PAYLOAD=$(jq -n --arg ref "$REF" --argjson inputs "$INPUTS" '{ref: $ref, inputs: $inputs}')

  HTTP_CODE=$(curl -s -o /dev/null -w '%{http_code}' \
    -X POST \
    -H "Authorization: token ${TOKEN}" \
    -H "Content-Type: application/json" \
    -d "$PAYLOAD" \
    "${GITEA_URL}/api/v1/repos/${ORG}/${REPO}/actions/workflows/${WORKFLOW}/dispatches")

  if [ "$HTTP_CODE" -eq 204 ] || [ "$HTTP_CODE" -eq 201 ]; then
    echo "  [OK]   ${ORG}/${REPO} (HTTP ${HTTP_CODE})"
    SUCCESS=$((SUCCESS + 1))
  else
    echo "  [FAIL] ${ORG}/${REPO} (HTTP ${HTTP_CODE})"
    FAIL=$((FAIL + 1))
  fi
done <<< "$CLIENT_REPOS"

# ---------------------------------------------------------------------------
# Summary
# ---------------------------------------------------------------------------
echo ""
echo "Done. Success: ${SUCCESS} | Failed: ${FAIL} | Total: ${TOTAL}"

if [ "$FAIL" -gt 0 ]; then
  exit 1
fi