'use strict'

/**
 * Shared static checks for combined vs dedicated JSON export gossip alignment.
 * Used by app smokes; no runtime platform dependency.
 */
function validateGossipAlignmentRow (row, combinedSrc, dedicatedSrc) {
  if (!combinedSrc.includes(row.keysField)) {
    throw new Error(`${row.combined} missing keysField ${row.keysField}`)
  }
  if (!combinedSrc.includes(row.initMethod)) {
    throw new Error(`${row.combined} missing initMethod ${row.initMethod}`)
  }
  if (!dedicatedSrc.includes(`keysField: '${row.keysField}'`)) {
    throw new Error(`${row.dedicated} keysField mismatch vs ${row.combined}`)
  }
  if (row.gossipHashPrefix && !combinedSrc.includes(`gossipHashPrefix: '${row.gossipHashPrefix}'`)) {
    throw new Error(`${row.combined} missing gossipHashPrefix ${row.gossipHashPrefix}`)
  }
  if (row.method && !combinedSrc.includes(row.method)) {
    throw new Error(`${row.combined} missing gossip method ${row.method}`)
  }
}

function validateDualHealPerEntryGossipKeys (src, fileName, opts = {}) {
  const minEntries = opts.minEntries ?? 2
  if (!src.includes('createJsonExportDualHealMixin')) return
  const block = src.match(/gossipEntries:\s*\[([\s\S]*?)\]\s*,\s*heals:/)
  if (!block) {
    throw new Error(`${fileName} dual-heal missing gossipEntries block`)
  }
  const entries = block[1]
  const entryCount = (entries.match(/method:\s*'/g) || []).length
  if (entryCount < minEntries) {
    throw new Error(`${fileName} expected at least ${minEntries} gossip entries, got ${entryCount}`)
  }
  const keysCount = (entries.match(/keysField:\s*'/g) || []).length
  if (keysCount < entryCount) {
    throw new Error(`${fileName} expected per-entry keysField on all gossip rows (${keysCount}/${entryCount})`)
  }
  const initCount = (entries.match(/initMethod:\s*'/g) || []).length
  if (initCount < entryCount) {
    throw new Error(`${fileName} expected per-entry initMethod on all gossip rows (${initCount}/${entryCount})`)
  }
  const cfgHead = src.match(/createJsonExportDualHealMixin\(\{\s*([\s\S]*?)\n\s*gossipEntries:/)
  if (cfgHead && /keysField\s*:/.test(cfgHead[1])) {
    throw new Error(`${fileName} must not use top-level keysField on dual-heal factory`)
  }
}

module.exports = {
  validateGossipAlignmentRow,
  validateDualHealPerEntryGossipKeys
}