#!/usr/bin/env bash
# sync-wikis-to-github.sh — Mirror Gitea wiki repos to their GitHub counterparts
#
# Clones each Gitea wiki repo, adds the GitHub wiki as a remote, and force-pushes.
# Requires GH_TOKEN env var or ~/.github-token for authentication.
#
# Usage:
#   sync-wikis-to-github.sh [repo-name]    # sync one repo
#   sync-wikis-to-github.sh                # sync all configured repos
#
# Requires: git, curl
#
set -euo pipefail

GITEA_URL="${GITEA_URL:-https://git.mokoconsulting.tech}"
GITHUB_ORG="${GITHUB_ORG:-mokoconsulting-tech}"
GH_TOKEN="${GH_TOKEN:-$(cat ~/.github-token 2>/dev/null || echo "")}"
GITEA_TOKEN="${GITEA_TOKEN:-$(cat ~/.gitea-token 2>/dev/null || echo "")}"
TMPDIR="$(mktemp -d)"
trap 'rm -rf "$TMPDIR"' EXIT

log() { echo "[$(date '+%H:%M:%S')] $*"; }

if [[ -z "$GH_TOKEN" ]]; then
    log "ERROR: GH_TOKEN not set. Export it or create ~/.github-token"
    exit 1
fi

# Repo mappings: gitea_owner/repo → github_repo (same name unless overridden)
declare -A REPOS=(
    ["MokoConsulting/moko-platform"]="moko-platform"
    ["MokoConsulting/MokoOnyx"]="MokoOnyx"
    ["MokoConsulting/MokoWaaS"]="MokoWaaS"
    ["MokoConsulting/monitor-mcp"]="monitor-mcp"
    ["MokoConsulting/deploy-mcp"]="deploy-mcp"
    ["MokoConsulting/ssh-mcp"]="ssh-mcp"
    ["MokoConsulting/backup-mcp"]="backup-mcp"
    ["MokoConsulting/joomla-api-mcp"]="joomla-api-mcp"
    ["MokoConsulting/Template-Client-WaaS"]="Template-Client-WaaS"
    ["ClarksvilleFurs/client-waas-clarksvillefurs"]="client-waas-clarksvillefurs"
)

FILTER="${1:-}"
SYNCED=0
FAILED=0

for GITEA_REPO in "${!REPOS[@]}"; do
    GH_REPO="${REPOS[$GITEA_REPO]}"

    # Filter to specific repo if requested
    if [[ -n "$FILTER" && "$GH_REPO" != "$FILTER" && "$GITEA_REPO" != *"$FILTER"* ]]; then
        continue
    fi

    log "Syncing wiki: ${GITEA_REPO} → github/${GH_REPO}"

    WORK="${TMPDIR}/${GH_REPO}.wiki"

    # Clone Gitea wiki
    GITEA_WIKI_URL="${GITEA_URL}/${GITEA_REPO}.wiki.git"
    if ! git clone --quiet "$GITEA_WIKI_URL" "$WORK" 2>/dev/null; then
        log "  SKIP: no wiki on Gitea"
        continue
    fi

    cd "$WORK"

    # Add GitHub wiki remote
    GH_WIKI_URL="https://${GH_TOKEN}@github.com/${GITHUB_ORG}/${GH_REPO}.wiki.git"

    # Ensure GitHub wiki exists (create initial page if needed)
    WIKI_CHECK=$(curl -sf -H "Authorization: token ${GH_TOKEN}" \
        "https://api.github.com/repos/${GITHUB_ORG}/${GH_REPO}" 2>/dev/null | \
        python3 -c "import sys,json; print(json.load(sys.stdin).get('has_wiki', False))" 2>/dev/null || echo "False")

    if [[ "$WIKI_CHECK" != "True" ]]; then
        log "  SKIP: GitHub wiki not enabled for ${GH_REPO}"
        FAILED=$((FAILED + 1))
        continue
    fi

    git remote add github "$GH_WIKI_URL" 2>/dev/null || git remote set-url github "$GH_WIKI_URL"

    # Force push to GitHub wiki
    if git push --force --quiet github master:master 2>/dev/null || git push --force --quiet github main:master 2>/dev/null; then
        SYNCED=$((SYNCED + 1))
        log "  OK: synced"
    else
        FAILED=$((FAILED + 1))
        log "  FAIL: push failed"
    fi

    cd "$TMPDIR"
done

log "Done. Synced: ${SYNCED}, Failed: ${FAILED}"