#!/usr/bin/env bash
# Q-Blog Tracker Scripts v4 — 2025-08-17 00:53Z
set -euo pipefail
# Env: GITEA_BASE_URL, GITEA_TOKEN, OWNER, REPO

need () {
  for v in GITEA_BASE_URL GITEA_TOKEN OWNER REPO; do
    if [[ -z "${!v:-}" ]]; then echo "ERROR: Missing $v" >&2; exit 1; fi
  done
}

api () {
  local method="$1"; shift
  local path="$1"; shift
  local data="${1:-}"
  local code body tmp; tmp="$(mktemp)"
  if [[ -n "$data" && "$data" != "-" ]]; then
    code="$(curl -sS -o "$tmp" -w "%{http_code}" -X "$method" -H "Content-Type: application/json" -H "Authorization: token $GITEA_TOKEN" "$GITEA_BASE_URL/api/v1$path" --data @"$data")"
  elif [[ "$data" == "-" ]]; then
    code="$(curl -sS -o "$tmp" -w "%{http_code}" -X "$method" -H "Content-Type: application/json" -H "Authorization: token $GITEA_TOKEN" "$GITEA_BASE_URL/api/v1$path" --data @-)"
  else
    code="$(curl -sS -o "$tmp" -w "%{http_code}" -X "$method" -H "Content-Type: application/json" -H "Authorization: token $GITEA_TOKEN" "$GITEA_BASE_URL/api/v1$path")"
  fi
  body="$(cat "$tmp")"; rm -f "$tmp"; echo "$code" "$body"
}

get_json () {
  local method="$1" path="$2"
  read -r code body < <(api "$method" "$path")
  if [[ "$code" != "200" ]]; then echo "ERROR $code: $body" >&2; exit 1; fi
  echo "$body"
}

ensure_auth_repo () {
  echo "==> Checking token and repo"
  local user repoFull
  user="$(get_json GET "/user" | jq -r '.login // .username')"
  echo "Authenticated as: $user"
  repoFull="$(get_json GET "/repos/$OWNER/$REPO" | jq -r '.full_name')"
  echo "Repo OK: $repoFull"
}

create_labels () {
  echo "==> Creating labels (idempotent by name)"
  local file=".gitea/labels.json"; [[ -f "$file" ]] || { echo "WARN: $file missing"; return 0; }
  local existing; existing="$(get_json GET "/repos/$OWNER/$REPO/labels" | jq -r '.[].name')"
  local n; n="$(jq '.labels | length' "$file")"
  for i in $(seq 0 $((n-1))); do
    local name color color_clean payload code body
    name="$(jq -r ".labels[$i].name" "$file")"
    if echo "$existing" | grep -Fxq "$name"; then
      echo "Label exists: $name (skip)"
      continue
    fi
    color="$(jq -r ".labels[$i].color" "$file")"
    color_clean="${color###}"
    payload="$(jq -n --arg name "$name" --arg color "$color_clean" '{name:$name, color:$color}')"
    read -r code body < <(echo "$payload" | api POST "/repos/$OWNER/$REPO/labels" -)
    if [[ "$code" == "201" || "$code" == "200" ]]; then echo "Label created: $name"; else echo "WARN: $name → $code ($body)"; fi
  done
}

ensure_phase0_milestone () {
  # returns id only
  local title="Patch 0 — Orientation & Quality Bar"
  local ms_payload="milestone_patch0.json"
  local list ms_id code body
  list="$(get_json GET "/repos/$OWNER/$REPO/milestones")"
  ms_id="$(echo "$list" | jq -r --arg t "$title" '.[] | select(.title==$t) | .id' | head -n1)"
  if [[ -z "$ms_id" || "$ms_id" == "null" ]]; then
    [[ -f "$ms_payload" ]] || { echo "ERROR: $ms_payload missing" >&2; exit 1; }
    read -r code body < <(api POST "/repos/$OWNER/$REPO/milestones" "$ms_payload")
    [[ "$code" == "201" || "$code" == "200" ]] || { echo "ERROR: create milestone $code: $body" >&2; exit 1; }
    ms_id="$(echo "$body" | jq -r '.id')"
  fi
  echo "$ms_id"
}

create_issues () {
  local ms_id="$1"
  echo "==> Creating issues (milestone ID: $ms_id)"
  local file="issues/issues_patch0_phase1-3.json"; [[ -f "$file" ]] || { echo "ERROR: $file missing" >&2; exit 1; }
  local n; n="$(jq '.issues | length' "$file")"
  for i in $(seq 0 $((n-1))); do
    local title body payload code resp
    title="$(jq -r ".issues[$i].title" "$file")"
    body="$(jq -r ".issues[$i].body" "$file")"
    payload="$(jq -n --arg title "$title" --arg body "$body" --argjson milestone "$ms_id" '{title:$title, body:$body, milestone:$milestone}')"
    read -r code resp < <(echo "$payload" | api POST "/repos/$OWNER/$REPO/issues" -)
    if [[ "$code" == "201" || "$code" == "200" ]]; then echo "Created: $title"; else echo "WARN: $title → $code ($resp)"; fi
  done
}

need
ensure_auth_repo
create_labels
ms_id="$(ensure_phase0_milestone)"
create_issues "$ms_id"
echo "==> Done."