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

ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
cd "$ROOT_DIR"

fail() {
  echo "release-preflight: $*" >&2
  exit 1
}

require_file() {
  [[ -f "$1" ]] || fail "missing artifact: $1; build it before release"
}

sha256() {
  if command -v shasum >/dev/null 2>&1; then
    shasum -a 256 "$1" | awk '{print $1}'
  else
    sha256sum "$1" | awk '{print $1}'
  fi
}

sha256_stream() {
  if command -v shasum >/dev/null 2>&1; then
    shasum -a 256 | awk '{print $1}'
  else
    sha256sum | awk '{print $1}'
  fi
}

normalized_jar_content_sha256() {
  local jar_path="$1"
  local manifest_path
  manifest_path="$(mktemp)"
  while IFS= read -r entry; do
    case "$entry" in
      */|META-INF/*.SF|META-INF/*.RSA|META-INF/*.DSA) continue ;;
    esac
    printf '%s  %s\n' "$(unzip -p "$jar_path" "$entry" | sha256_stream)" "$entry" >> "$manifest_path"
  done < <(unzip -Z1 "$jar_path" | LC_ALL=C sort)
  sha256 "$manifest_path"
  rm -f "$manifest_path"
}

frontend_index="frontend/dist/index.html"
mobile_index="mobile-uni/dist/build/h5/index.html"
backend_jar="backend/ruoyi-admin/target/ruoyi-admin.jar"
require_file "$frontend_index"
require_file "$mobile_index"
require_file "$backend_jar"
backend_module_jar_name="$(unzip -Z1 "$backend_jar" | sed -nE 's#BOOT-INF/lib/(ruoyi-aihr-[^/]+\.jar)#\1#p' | head -1)"
[[ -n "$backend_module_jar_name" ]] || fail "backend jar does not contain the ruoyi-aihr module"

frontend_asset="$(sed -nE 's/.*src="([^"]+\.js)".*/\1/p' "$frontend_index" | head -1)"
mobile_asset="$(sed -nE 's/.*src="([^"]+\.js)".*/\1/p' "$mobile_index" | head -1)"
[[ -n "$frontend_asset" ]] || fail "frontend index does not reference a JavaScript entry"
[[ -n "$mobile_asset" ]] || fail "mobile H5 index does not reference a JavaScript entry"

frontend_asset_path="frontend/dist/${frontend_asset#/}"
mobile_asset_rel="${mobile_asset#/}"
mobile_asset_rel="${mobile_asset_rel#h5/}"
mobile_asset_path="mobile-uni/dist/build/h5/$mobile_asset_rel"
require_file "$frontend_asset_path"
require_file "$mobile_asset_path"
grep -q '/h5/' "$mobile_index" || fail "mobile H5 index does not contain the /h5/ base path"

if [[ "${RELEASE_VERIFY_REMOTE_BACKEND:-false}" == "true" && "${RELEASE_VERIFY_REMOTE_MATCH:-false}" != "true" ]]; then
  fail "RELEASE_VERIFY_REMOTE_BACKEND=true requires RELEASE_VERIFY_REMOTE_MATCH=true"
fi
if [[ "${RELEASE_VERIFY_REMOTE_SCHEMA:-false}" == "true" && "${RELEASE_VERIFY_REMOTE_MATCH:-false}" != "true" ]]; then
  fail "RELEASE_VERIFY_REMOTE_SCHEMA=true requires RELEASE_VERIFY_REMOTE_MATCH=true"
fi

head_epoch="$(git show -s --format=%ct HEAD)"

file_epoch() {
  if stat -f %m "$1" >/dev/null 2>&1; then
    stat -f %m "$1"
  else
    stat -c %Y "$1"
  fi
}

require_fresh_artifact() {
  local artifact="$1"
  local artifact_epoch
  artifact_epoch="$(file_epoch "$artifact")" || fail "cannot read artifact timestamp: $artifact"
  [[ "$artifact_epoch" -ge "$head_epoch" ]] || fail "artifact is older than HEAD; rebuild before release: $artifact"
}

require_fresh_artifact "$frontend_index"
require_fresh_artifact "$frontend_asset_path"
require_fresh_artifact "$mobile_index"
require_fresh_artifact "$mobile_asset_path"
require_fresh_artifact "$backend_jar"

require_remote_business_success() {
  local label="$1"
  local url="$2"
  local body
  body="$(curl -fsS --max-time 15 "$url")" || fail "$label HTTP check failed: $url"
  if ! printf '%s' "$body" | LC_ALL=C grep -Eq '^[[:space:]]*\{[[:space:]]*"code"[[:space:]]*:[[:space:]]*200([[:space:]]*[,}])'; then
    fail "$label business check failed: $url"
  fi
  echo "$label=200 $url"
}

require_remote_schema() {
  local remote_ssh="${RELEASE_REMOTE_SSH:-YCWY}"
  local remote_db="${RELEASE_REMOTE_DB_NAME:-ry-vue}"
  [[ "$remote_db" =~ ^[A-Za-z0-9_-]+$ ]] || fail "remote database name is invalid: $remote_db"

  local missing
  missing="$(ssh -o BatchMode=yes -o ConnectTimeout=10 "$remote_ssh" bash -s -- "$remote_db" <<'REMOTE'
set -euo pipefail
db="$1"
mysql --batch --skip-column-names --connect-timeout=5 "$db" <<'SQL'
SELECT required.table_name
FROM (
  SELECT 'aihr_prompt_template' AS table_name
  UNION ALL SELECT 'aihr_practice_scenario'
  UNION ALL SELECT 'aihr_practice_rubric'
  UNION ALL SELECT 'aihr_practice_rubric_dimension'
  UNION ALL SELECT 'aihr_practice_audio'
  UNION ALL SELECT 'aihr_practice_audio_upload'
  UNION ALL SELECT 'aihr_practice_calibration'
  UNION ALL SELECT 'aihr_practice_help_event'
  UNION ALL SELECT 'aihr_knowledge_gap'
  UNION ALL SELECT 'aihr_knowledge_answer_feedback'
  UNION ALL SELECT 'aihr_knowledge_space_grant'
  UNION ALL SELECT 'aihr_knowledge_app'
  UNION ALL SELECT 'aihr_knowledge_app_space'
  UNION ALL SELECT 'aihr_knowledge_category'
  UNION ALL SELECT 'aihr_knowledge_query_log'
  UNION ALL SELECT 'aihr_knowledge_conversation'
  UNION ALL SELECT 'aihr_knowledge_admin_audit'
  UNION ALL SELECT 'aihr_learning_question'
  UNION ALL SELECT 'aihr_practice_question_feedback'
  UNION ALL SELECT 'aihr_onboard_exam'
  UNION ALL SELECT 'aihr_onboard_exam_target'
  UNION ALL SELECT 'aihr_onboard_exam_question'
  UNION ALL SELECT 'aihr_onboard_exam_attempt'
  UNION ALL SELECT 'aihr_onboard_exam_answer'
  UNION ALL SELECT 'aihr_web_search_provider'
  UNION ALL SELECT 'aihr_web_ai_secret'
  UNION ALL SELECT 'aihr_web_ai_query_audit'
  UNION ALL SELECT 'aihr_community_question'
  UNION ALL SELECT 'aihr_community_answer'
  UNION ALL SELECT 'aihr_incentive_rule'
  UNION ALL SELECT 'aihr_points_ledger'
  UNION ALL SELECT 'aihr_candidate_material'
  UNION ALL SELECT 'aihr_interview_result'
  UNION ALL SELECT 'aihr_candidate_employee_link'
  UNION ALL SELECT 'aihr_position_responsibility'
  UNION ALL SELECT 'aihr_sop_applicability'
  UNION ALL SELECT 'aihr_onboard_task'
  UNION ALL SELECT 'aihr_qualification_gate'
  UNION ALL SELECT 'aihr_org_directory'
  UNION ALL SELECT 'aihr_tenant_org_binding'
  UNION ALL SELECT 'aihr_memory_candidate'
  UNION ALL SELECT 'aihr_assistant_capture'
  UNION ALL SELECT 'aihr_assistant_capture_status_log'
  UNION ALL SELECT 'aihr_daily_work_result'
  UNION ALL SELECT 'aihr_service_memory'
  UNION ALL SELECT 'aihr_service_memory_version'
  UNION ALL SELECT 'aihr_work_report'
  UNION ALL SELECT 'aihr_broadcast_message'
  UNION ALL SELECT 'aihr_broadcast_read'
  UNION ALL SELECT 'aihr_broadcast_version'
  UNION ALL SELECT 'aihr_broadcast_target_rule'
  UNION ALL SELECT 'aihr_broadcast_target_recipient'
  UNION ALL SELECT 'aihr_broadcast_attachment'
  UNION ALL SELECT 'aihr_direct_feedback'
  UNION ALL SELECT 'aihr_personal_space'
  UNION ALL SELECT 'aihr_personal_item'
  UNION ALL SELECT 'aihr_personal_fragment'
  UNION ALL SELECT 'aihr_personal_chat_session'
  UNION ALL SELECT 'aihr_personal_chat_message'
  UNION ALL SELECT 'aihr_personal_cleanup_job'
  UNION ALL SELECT 'aihr_personal_ocr_job'
  UNION ALL SELECT 'aihr_personal_ocr_page'
  UNION ALL SELECT 'aihr_personal_export_task'
  UNION ALL SELECT 'aihr_personal_publish_request'
) required
LEFT JOIN information_schema.tables actual
  ON actual.table_schema = DATABASE() AND actual.table_name = required.table_name
WHERE actual.table_name IS NULL
ORDER BY required.table_name;
SQL
REMOTE
  )" || fail "remote schema check failed: $remote_ssh:$remote_db"

  [[ -z "$missing" ]] || fail "remote schema missing required tables: $(printf '%s' "$missing" | tr '\n' ', ' | sed 's/, $//')"
  local personal_oss_config
  personal_oss_config="$(ssh -o BatchMode=yes -o ConnectTimeout=10 "$remote_ssh" bash -s -- "$remote_db" <<'REMOTE'
set -euo pipefail
db="$1"
mysql --batch --skip-column-names --connect-timeout=5 "$db" <<'SQL'
SELECT CONCAT(
  bucket_name, '|', access_policy, '|', status, '|',
  CASE WHEN access_key <> '' AND secret_key <> '' THEN 'configured' ELSE 'credentials-missing' END
)
FROM sys_oss_config
WHERE tenant_id = '000000' AND config_key = 'personal-minio';
SQL
REMOTE
  )" || fail "remote personal OSS configuration check failed: $remote_ssh:$remote_db"

  [[ "$personal_oss_config" = "ruoyi-personal|0|1|configured" ]] \
    || fail "remote personal OSS configuration is invalid: expected private ruoyi-personal configuration; got ${personal_oss_config:-missing}"
  local missing_work_report_columns
  missing_work_report_columns="$(ssh -o BatchMode=yes -o ConnectTimeout=10 "$remote_ssh" bash -s -- "$remote_db" <<'REMOTE'
set -euo pipefail
db="$1"
mysql --batch --skip-column-names --connect-timeout=5 "$db" <<'SQL'
SELECT required.column_name
FROM (
  SELECT 'request_key' AS column_name
  UNION ALL SELECT 'request_hash'
) required
LEFT JOIN information_schema.columns actual
  ON actual.table_schema = DATABASE()
 AND actual.table_name = 'aihr_work_report'
 AND actual.column_name = required.column_name
WHERE actual.column_name IS NULL
ORDER BY required.column_name;
SQL
REMOTE
  )" || fail "remote work-report schema check failed: $remote_ssh:$remote_db"

  [[ -z "$missing_work_report_columns" ]] \
    || fail "remote work-report schema missing required columns: $(printf '%s' "$missing_work_report_columns" | tr '\n' ', ' | sed 's/, $//')"
  local missing_knowledge_category_columns
  missing_knowledge_category_columns="$(ssh -o BatchMode=yes -o ConnectTimeout=10 "$remote_ssh" bash -s -- "$remote_db" <<'REMOTE'
set -euo pipefail
db="$1"
mysql --batch --skip-column-names --connect-timeout=5 "$db" <<'SQL'
SELECT CONCAT(required.table_name, '.', required.column_name)
FROM (
  SELECT 'aihr_knowledge_category' AS table_name, 'tenant_id' AS column_name
  UNION ALL SELECT 'aihr_knowledge_category', 'knowledge_id'
  UNION ALL SELECT 'aihr_knowledge_category', 'code'
  UNION ALL SELECT 'aihr_knowledge_category', 'name'
  UNION ALL SELECT 'aihr_knowledge_category', 'status'
  UNION ALL SELECT 'aihr_knowledge_category', 'sort_order'
  UNION ALL SELECT 'aihr_knowledge_attach', 'category_id'
) required
LEFT JOIN information_schema.columns actual
  ON actual.table_schema = DATABASE()
 AND actual.table_name = required.table_name
 AND actual.column_name = required.column_name
WHERE actual.column_name IS NULL
ORDER BY required.table_name, required.column_name;
SQL
REMOTE
  )" || fail "remote knowledge-category schema check failed: $remote_ssh:$remote_db"

  [[ -z "$missing_knowledge_category_columns" ]] \
    || fail "remote knowledge-category schema missing required columns: $(printf '%s' "$missing_knowledge_category_columns" | tr '\n' ', ' | sed 's/, $//')"
  local knowledge_attach_category_index
  knowledge_attach_category_index="$(ssh -o BatchMode=yes -o ConnectTimeout=10 "$remote_ssh" bash -s -- "$remote_db" <<'REMOTE'
set -euo pipefail
db="$1"
mysql --batch --skip-column-names --connect-timeout=5 "$db" <<'SQL'
SELECT CONCAT(
  MIN(non_unique), '|',
  COALESCE(GROUP_CONCAT(column_name ORDER BY seq_in_index), ''), '|',
  SUM(sub_part IS NOT NULL)
)
FROM information_schema.statistics
WHERE table_schema = DATABASE()
  AND table_name = 'aihr_knowledge_attach'
  AND index_name = 'idx_aihr_knowledge_attach_category';
SQL
REMOTE
  )" || fail "remote knowledge-attachment category-index check failed: $remote_ssh:$remote_db"

  [[ "$knowledge_attach_category_index" = "1|tenant_id,knowledge_id,category_id|0" ]] \
    || fail "remote knowledge-attachment category index invalid: expected full columns tenant_id,knowledge_id,category_id; got ${knowledge_attach_category_index:-missing}"
  local knowledge_category_code_index
  knowledge_category_code_index="$(ssh -o BatchMode=yes -o ConnectTimeout=10 "$remote_ssh" bash -s -- "$remote_db" <<'REMOTE'
set -euo pipefail
db="$1"
mysql --batch --skip-column-names --connect-timeout=5 "$db" <<'SQL'
SELECT CONCAT(
  MIN(non_unique), '|',
  COALESCE(GROUP_CONCAT(column_name ORDER BY seq_in_index), ''), '|',
  SUM(sub_part IS NOT NULL)
)
FROM information_schema.statistics
WHERE table_schema = DATABASE()
  AND table_name = 'aihr_knowledge_category'
  AND index_name = 'uk_aihr_knowledge_category_code';
SQL
REMOTE
  )" || fail "remote knowledge-category unique-index check failed: $remote_ssh:$remote_db"

  [[ "$knowledge_category_code_index" = "0|tenant_id,knowledge_id,code|0" ]] \
    || fail "remote knowledge-category unique index invalid: expected unique full columns tenant_id,knowledge_id,code; got ${knowledge_category_code_index:-missing}"
  local work_report_unique_index
  work_report_unique_index="$(ssh -o BatchMode=yes -o ConnectTimeout=10 "$remote_ssh" bash -s -- "$remote_db" <<'REMOTE'
set -euo pipefail
db="$1"
mysql --batch --skip-column-names --connect-timeout=5 "$db" <<'SQL'
SELECT CONCAT(
  MIN(non_unique), '|',
  COALESCE(GROUP_CONCAT(column_name ORDER BY seq_in_index), ''), '|',
  SUM(sub_part IS NOT NULL)
)
FROM information_schema.statistics
WHERE table_schema = DATABASE()
  AND table_name = 'aihr_work_report'
  AND index_name = 'uk_aihr_work_report_request';
SQL
REMOTE
  )" || fail "remote work-report unique-index check failed: $remote_ssh:$remote_db"

  [[ "$work_report_unique_index" = "0|tenant_id,submitter_user_id,request_key|0" ]] \
    || fail "remote work-report unique index invalid: expected unique full columns tenant_id,submitter_user_id,request_key; got ${work_report_unique_index:-missing}"
  local missing_broadcast_publish_columns
  missing_broadcast_publish_columns="$(ssh -o BatchMode=yes -o ConnectTimeout=10 "$remote_ssh" bash -s -- "$remote_db" <<'REMOTE'
set -euo pipefail
db="$1"
mysql --batch --skip-column-names --connect-timeout=5 "$db" <<'SQL'
SELECT required.column_name
FROM (
  SELECT 'publish_request_key' AS column_name
  UNION ALL SELECT 'publish_request_hash'
  UNION ALL SELECT 'withdraw_reason'
) required
LEFT JOIN information_schema.columns actual
  ON actual.table_schema = DATABASE()
 AND actual.table_name = 'aihr_broadcast_message'
 AND actual.column_name = required.column_name
WHERE actual.column_name IS NULL
ORDER BY required.column_name;
SQL
REMOTE
  )" || fail "remote broadcast publish-audit schema check failed: $remote_ssh:$remote_db"

  [[ -z "$missing_broadcast_publish_columns" ]] \
    || fail "remote broadcast message schema missing required columns: $(printf '%s' "$missing_broadcast_publish_columns" | tr '\n' ', ' | sed 's/, $//')"
  local broadcast_publish_unique_index
  broadcast_publish_unique_index="$(ssh -o BatchMode=yes -o ConnectTimeout=10 "$remote_ssh" bash -s -- "$remote_db" <<'REMOTE'
set -euo pipefail
db="$1"
mysql --batch --skip-column-names --connect-timeout=5 "$db" <<'SQL'
SELECT CONCAT(
  MIN(non_unique), '|',
  COALESCE(GROUP_CONCAT(column_name ORDER BY seq_in_index), ''), '|',
  SUM(sub_part IS NOT NULL)
)
FROM information_schema.statistics
WHERE table_schema = DATABASE()
  AND table_name = 'aihr_broadcast_message'
  AND index_name = 'uk_aihr_broadcast_message_publish_request';
SQL
REMOTE
  )" || fail "remote broadcast publish unique-index check failed: $remote_ssh:$remote_db"

  [[ "$broadcast_publish_unique_index" = "0|tenant_id,published_by,publish_request_key|0" ]] \
    || fail "remote broadcast publish unique index invalid: expected unique full columns tenant_id,published_by,publish_request_key; got ${broadcast_publish_unique_index:-missing}"
  local broadcast_read_unique_index
  broadcast_read_unique_index="$(ssh -o BatchMode=yes -o ConnectTimeout=10 "$remote_ssh" bash -s -- "$remote_db" <<'REMOTE'
set -euo pipefail
db="$1"
mysql --batch --skip-column-names --connect-timeout=5 "$db" <<'SQL'
SELECT CONCAT(
  MIN(non_unique), '|',
  COALESCE(GROUP_CONCAT(column_name ORDER BY seq_in_index), ''), '|',
  SUM(sub_part IS NOT NULL)
)
FROM information_schema.statistics
WHERE table_schema = DATABASE()
  AND table_name = 'aihr_broadcast_read'
  AND index_name = 'uk_aihr_broadcast_read';
SQL
REMOTE
  )" || fail "remote broadcast-read unique-index check failed: $remote_ssh:$remote_db"

  [[ "$broadcast_read_unique_index" = "0|tenant_id,message_id,user_id|0" ]] \
    || fail "remote broadcast-read unique index invalid: expected unique full columns tenant_id,message_id,user_id; got ${broadcast_read_unique_index:-missing}"
  local broadcast_version_unique_index
  broadcast_version_unique_index="$(ssh -o BatchMode=yes -o ConnectTimeout=10 "$remote_ssh" bash -s -- "$remote_db" <<'REMOTE'
set -euo pipefail
db="$1"
mysql --batch --skip-column-names --connect-timeout=5 "$db" <<'SQL'
SELECT CONCAT(
  MIN(non_unique), '|',
  COALESCE(GROUP_CONCAT(column_name ORDER BY seq_in_index), ''), '|',
  SUM(sub_part IS NOT NULL)
)
FROM information_schema.statistics
WHERE table_schema = DATABASE()
  AND table_name = 'aihr_broadcast_version'
  AND index_name = 'uk_aihr_broadcast_version';
SQL
REMOTE
  )" || fail "remote broadcast-version unique-index check failed: $remote_ssh:$remote_db"

  [[ "$broadcast_version_unique_index" = "0|tenant_id,message_id,version|0" ]] \
    || fail "remote broadcast-version unique index invalid: expected unique full columns tenant_id,message_id,version; got ${broadcast_version_unique_index:-missing}"
  local broadcast_targeting_column_contract
  broadcast_targeting_column_contract="$(ssh -o BatchMode=yes -o ConnectTimeout=10 "$remote_ssh" bash -s -- "$remote_db" <<'REMOTE'
set -euo pipefail
db="$1"
mysql --batch --skip-column-names --connect-timeout=5 "$db" <<'SQL'
SELECT CONCAT(column_name, '|', column_type, '|', is_nullable, '|', COALESCE(column_default, '<NULL>'))
FROM information_schema.columns
WHERE table_schema = DATABASE()
  AND table_name = 'aihr_broadcast_message'
  AND column_name IN ('required_read', 'target_payload_hash')
ORDER BY FIELD(column_name, 'required_read', 'target_payload_hash');
SQL
REMOTE
  )" || fail "remote broadcast M1 column check failed: $remote_ssh:$remote_db"

  [[ "$broadcast_targeting_column_contract" = $'required_read|tinyint(1)|NO|0\ntarget_payload_hash|char(64)|YES|<NULL>' ]] \
    || fail "remote broadcast M1 column contract invalid: expected required_read tinyint(1) NOT NULL DEFAULT 0 and nullable target_payload_hash char(64); got ${broadcast_targeting_column_contract:-missing}"
  local broadcast_target_table_contract
  broadcast_target_table_contract="$(ssh -o BatchMode=yes -o ConnectTimeout=10 "$remote_ssh" bash -s -- "$remote_db" <<'REMOTE'
set -euo pipefail
db="$1"
mysql --batch --skip-column-names --connect-timeout=5 "$db" <<'SQL'
SELECT CONCAT(table_name, '.', column_name, '|', column_type, '|', is_nullable)
FROM information_schema.columns
WHERE table_schema = DATABASE()
  AND table_name IN ('aihr_broadcast_target_rule', 'aihr_broadcast_target_recipient')
ORDER BY FIELD(table_name, 'aihr_broadcast_target_rule', 'aihr_broadcast_target_recipient'), ordinal_position;
SQL
REMOTE
  )" || fail "remote broadcast target-table contract check failed: $remote_ssh:$remote_db"

  [[ "$broadcast_target_table_contract" = $'aihr_broadcast_target_rule.id|bigint|NO\naihr_broadcast_target_rule.tenant_id|varchar(20)|NO\naihr_broadcast_target_rule.message_id|bigint|NO\naihr_broadcast_target_rule.target_type|varchar(20)|NO\naihr_broadcast_target_rule.target_value|varchar(100)|NO\naihr_broadcast_target_rule.create_time|datetime|NO\naihr_broadcast_target_recipient.id|bigint|NO\naihr_broadcast_target_recipient.tenant_id|varchar(20)|NO\naihr_broadcast_target_recipient.message_id|bigint|NO\naihr_broadcast_target_recipient.recipient_key|varchar(180)|NO\naihr_broadcast_target_recipient.subject_ref|varchar(100)|NO\naihr_broadcast_target_recipient.user_id|bigint|YES\naihr_broadcast_target_recipient.target_status|varchar(20)|NO\naihr_broadcast_target_recipient.target_reason|varchar(100)|NO\naihr_broadcast_target_recipient.create_time|datetime|NO\naihr_broadcast_target_recipient.update_time|datetime|NO' ]] \
    || fail "remote broadcast target-table contract invalid: expected server-written recipient identity, status, reason, and timing fields; got ${broadcast_target_table_contract:-missing}"
  local broadcast_target_rule_unique_index
  broadcast_target_rule_unique_index="$(ssh -o BatchMode=yes -o ConnectTimeout=10 "$remote_ssh" bash -s -- "$remote_db" <<'REMOTE'
set -euo pipefail
db="$1"
mysql --batch --skip-column-names --connect-timeout=5 "$db" <<'SQL'
SELECT CONCAT(
  MIN(non_unique), '|',
  COALESCE(GROUP_CONCAT(column_name ORDER BY seq_in_index), ''), '|',
  SUM(sub_part IS NOT NULL)
)
FROM information_schema.statistics
WHERE table_schema = DATABASE()
  AND table_name = 'aihr_broadcast_target_rule'
  AND index_name = 'uk_aihr_broadcast_target_rule';
SQL
REMOTE
  )" || fail "remote broadcast target-rule unique-index check failed: $remote_ssh:$remote_db"

  [[ "$broadcast_target_rule_unique_index" = "0|tenant_id,message_id,target_type,target_value|0" ]] \
    || fail "remote broadcast target-rule unique index invalid: expected unique full columns tenant_id,message_id,target_type,target_value; got ${broadcast_target_rule_unique_index:-missing}"
  local broadcast_target_recipient_unique_index
  broadcast_target_recipient_unique_index="$(ssh -o BatchMode=yes -o ConnectTimeout=10 "$remote_ssh" bash -s -- "$remote_db" <<'REMOTE'
set -euo pipefail
db="$1"
mysql --batch --skip-column-names --connect-timeout=5 "$db" <<'SQL'
SELECT CONCAT(
  MIN(non_unique), '|',
  COALESCE(GROUP_CONCAT(column_name ORDER BY seq_in_index), ''), '|',
  SUM(sub_part IS NOT NULL)
)
FROM information_schema.statistics
WHERE table_schema = DATABASE()
  AND table_name = 'aihr_broadcast_target_recipient'
  AND index_name = 'uk_aihr_broadcast_target_recipient';
SQL
REMOTE
  )" || fail "remote broadcast target-recipient unique-index check failed: $remote_ssh:$remote_db"

  [[ "$broadcast_target_recipient_unique_index" = "0|tenant_id,message_id,recipient_key|0" ]] \
    || fail "remote broadcast target-recipient unique index invalid: expected unique full columns tenant_id,message_id,recipient_key; got ${broadcast_target_recipient_unique_index:-missing}"
  local direct_feedback_contract
  direct_feedback_contract="$(ssh -o BatchMode=yes -o ConnectTimeout=10 "$remote_ssh" bash -s -- "$remote_db" <<'REMOTE'
set -euo pipefail
db="$1"
mysql --batch --skip-column-names --connect-timeout=5 "$db" <<'SQL'
SELECT CONCAT(
  COUNT(DISTINCT c.column_name), '|',
  MIN(s.non_unique), '|',
  COALESCE(GROUP_CONCAT(DISTINCT s.column_name ORDER BY s.seq_in_index), ''), '|',
  SUM(s.sub_part IS NOT NULL)
)
FROM information_schema.columns c
LEFT JOIN information_schema.statistics s
  ON s.table_schema = c.table_schema
 AND s.table_name = c.table_name
 AND s.index_name = 'uk_aihr_direct_feedback_submit'
WHERE c.table_schema = DATABASE()
  AND c.table_name = 'aihr_direct_feedback'
  AND c.column_name IN ('tenant_id','channel_code','sender_user_id','anonymous_flag','content','status','submit_request_key','submit_request_hash','reply_content','replied_by','replied_time');
SQL
REMOTE
  )" || fail "remote direct-feedback schema check failed: $remote_ssh:$remote_db"

  [[ "$direct_feedback_contract" = "11|0|tenant_id,sender_user_id,submit_request_key|0" ]] \
    || fail "remote direct-feedback contract invalid: expected 11 business columns and unique tenant_id,sender_user_id,submit_request_key; got ${direct_feedback_contract:-missing}"
  local direct_role_count
  direct_role_count="$(ssh -o BatchMode=yes -o ConnectTimeout=10 "$remote_ssh" bash -s -- "$remote_db" <<'REMOTE'
set -euo pipefail
db="$1"
mysql --batch --skip-column-names --connect-timeout=5 "$db" <<'SQL'
SELECT COUNT(DISTINCT role_key)
FROM sys_role
WHERE tenant_id = '000000'
  AND del_flag = '0'
  AND role_key IN ('direct_president','direct_finance','direct_hr','direct_audit','direct_operations');
SQL
REMOTE
  )" || fail "remote direct-feedback role check failed: $remote_ssh:$remote_db"

  [[ "$direct_role_count" = "5" ]] \
    || fail "remote direct-feedback roles incomplete: expected 5/5; got ${direct_role_count:-0}/5"
  local broadcast_attachment_contract
  broadcast_attachment_contract="$(ssh -o BatchMode=yes -o ConnectTimeout=10 "$remote_ssh" bash -s -- "$remote_db" <<'REMOTE'
set -euo pipefail
db="$1"
mysql --batch --skip-column-names --connect-timeout=5 "$db" <<'SQL'
SELECT CONCAT(
  (SELECT COUNT(*) FROM information_schema.columns
   WHERE table_schema = DATABASE()
     AND table_name = 'aihr_broadcast_attachment'
     AND column_name IN ('tenant_id','message_id','oss_id','file_name','file_size','content_type','status','extracted_text','summary','error_message','uploaded_by')),
  '|',
  (SELECT COUNT(*) FROM information_schema.columns
   WHERE table_schema = DATABASE()
     AND table_name = 'aihr_broadcast_message'
     AND column_name = 'attachment_id'),
  '|',
  COALESCE((SELECT GROUP_CONCAT(column_name ORDER BY seq_in_index)
   FROM information_schema.statistics
   WHERE table_schema = DATABASE()
     AND table_name = 'aihr_broadcast_message'
     AND index_name = 'idx_aihr_broadcast_message_attachment'), '')
);
SQL
REMOTE
  )" || fail "remote broadcast-attachment schema check failed: $remote_ssh:$remote_db"

  [[ "$broadcast_attachment_contract" = "11|1|tenant_id,attachment_id" ]] \
    || fail "remote broadcast-attachment contract invalid: expected 11 attachment columns and indexed message attachment_id; got ${broadcast_attachment_contract:-missing}"
  local missing_work_assistant_columns
  missing_work_assistant_columns="$(ssh -o BatchMode=yes -o ConnectTimeout=10 "$remote_ssh" bash -s -- "$remote_db" <<'REMOTE'
set -euo pipefail
db="$1"
mysql --batch --skip-column-names --connect-timeout=5 "$db" <<'SQL'
SELECT CONCAT(required.table_name, '.', required.column_name)
FROM (
  SELECT 'aihr_memory_candidate' AS table_name, 'work_date' AS column_name
  UNION ALL SELECT 'aihr_memory_candidate', 'source_snapshot_json'
  UNION ALL SELECT 'aihr_assistant_capture', 'work_date'
  UNION ALL SELECT 'aihr_assistant_capture', 'source_snapshot_json'
  UNION ALL SELECT 'aihr_assistant_capture', 'business_status'
  UNION ALL SELECT 'aihr_knowledge_conversation', 'project_code'
  UNION ALL SELECT 'aihr_knowledge_conversation', 'broadcast_message_id'
  UNION ALL SELECT 'aihr_daily_work_result', 'content_hash'
) required
LEFT JOIN information_schema.columns actual
  ON actual.table_schema = DATABASE()
 AND actual.table_name = required.table_name
 AND actual.column_name = required.column_name
WHERE actual.column_name IS NULL
ORDER BY required.table_name, required.column_name;
SQL
REMOTE
  )" || fail "remote work-assistant schema check failed: $remote_ssh:$remote_db"

  [[ -z "$missing_work_assistant_columns" ]] \
    || fail "remote work-assistant schema missing required columns: $(printf '%s' "$missing_work_assistant_columns" | tr '\n' ', ' | sed 's/, $//')"
  echo "remote_schema=64/64 $remote_ssh:$remote_db"
  echo "remote_work_report_idempotency=3/3 $remote_ssh:$remote_db"
  echo "remote_knowledge_category_columns=7/7 $remote_ssh:$remote_db"
  echo "remote_broadcast_publish_audit_columns=3/3 $remote_ssh:$remote_db"
  echo "remote_broadcast_publish_idempotency=3/3 $remote_ssh:$remote_db"
  echo "remote_broadcast_read_idempotency=3/3 $remote_ssh:$remote_db"
  echo "remote_broadcast_version_uniqueness=3/3 $remote_ssh:$remote_db"
  echo "remote_broadcast_targeting_contract=2/2 $remote_ssh:$remote_db"
  echo "remote_broadcast_target_table_contract=16/16 $remote_ssh:$remote_db"
  echo "remote_broadcast_target_rule_uniqueness=4/4 $remote_ssh:$remote_db"
  echo "remote_broadcast_target_recipient_uniqueness=3/3 $remote_ssh:$remote_db"
  echo "remote_direct_feedback_contract=11/11 $remote_ssh:$remote_db"
  echo "remote_direct_feedback_roles=5/5 $remote_ssh:$remote_db"
  echo "remote_broadcast_attachment_contract=12/12 $remote_ssh:$remote_db"
  echo "remote_broadcast_question_context=1/1 $remote_ssh:$remote_db"
  echo "remote_work_assistant_columns=8/8 $remote_ssh:$remote_db"
  echo "remote_personal_oss_configuration=true $remote_ssh:$remote_db"
}

changed_files="$(git status --porcelain)"
[[ -z "$changed_files" ]] || fail "worktree has uncommitted changes; commit the release batch before publishing"

echo "commit=$(git rev-parse HEAD)"
echo "head_epoch=$head_epoch"
echo "worktree=clean"
echo "frontend_index_sha256=$(sha256 "$frontend_index")"
echo "frontend_asset=$frontend_asset"
echo "frontend_asset_sha256=$(sha256 "$frontend_asset_path")"
echo "mobile_index_sha256=$(sha256 "$mobile_index")"
echo "mobile_asset=$mobile_asset"
echo "mobile_asset_sha256=$(sha256 "$mobile_asset_path")"
echo "backend_jar_sha256=$(sha256 "$backend_jar")"

if [[ -n "${RELEASE_REMOTE_URL:-}" ]]; then
  remote="${RELEASE_REMOTE_URL%/}"
  curl -fsS --max-time 15 "$remote/" >/dev/null || fail "remote root check failed: $remote/"
  echo "remote_root=200 $remote/"
  require_remote_business_success "remote_tenant_list" "$remote/prod-api/auth/tenant/list"
  require_remote_business_success "remote_mobile_home" "$remote/prod-api/api/aihr/mobile/home/user"

  if [[ "${RELEASE_VERIFY_REMOTE_SCHEMA:-false}" == "true" ]]; then
    require_remote_schema
  fi

  if [[ "${RELEASE_VERIFY_REMOTE_MATCH:-false}" == "true" ]]; then
    remote_frontend_asset="$(curl -fsS --max-time 15 "$remote/" | sed -nE 's/.*src="(\/assets\/[^" ]+\.js)".*/\1/p' | head -n 1)"
    remote_mobile_asset="$(curl -fsS --max-time 15 "$remote/h5/" | sed -nE 's/.*src="(\/h5\/assets\/[^" ]+\.js)".*/\1/p' | head -n 1)"
    [[ "$remote_frontend_asset" == /assets/*.js ]] || fail "remote frontend entry asset not found"
    [[ "$remote_mobile_asset" == /h5/assets/*.js ]] || fail "remote mobile H5 entry asset not found"

    remote_frontend_sha256="$(curl -fsS --max-time 15 "$remote$remote_frontend_asset" | sha256_stream)"
    remote_mobile_sha256="$(curl -fsS --max-time 15 "$remote$remote_mobile_asset" | sha256_stream)"
    local_frontend_sha256="$(sha256 "$frontend_asset_path")"
    local_mobile_sha256="$(sha256 "$mobile_asset_path")"
    echo "remote_frontend_asset=$remote_frontend_asset"
    echo "remote_frontend_asset_sha256=$remote_frontend_sha256"
    echo "remote_mobile_asset=$remote_mobile_asset"
    echo "remote_mobile_asset_sha256=$remote_mobile_sha256"
    [[ "$remote_frontend_sha256" == "$local_frontend_sha256" ]] || fail "remote frontend asset does not match local build"
    [[ "$remote_mobile_sha256" == "$local_mobile_sha256" ]] || fail "remote mobile H5 asset does not match local build"
    echo "remote_asset_match=true"

    if [[ "${RELEASE_VERIFY_REMOTE_BACKEND:-false}" == "true" ]]; then
      command -v ssh >/dev/null 2>&1 || fail "ssh is required for remote backend verification"
      remote_ssh="${RELEASE_REMOTE_SSH:-YCWY}"
      remote_backend_path="${RELEASE_REMOTE_BACKEND_PATH:-/opt/wygj/app/ruoyi-admin.jar}"
      [[ "$remote_backend_path" =~ ^/[A-Za-z0-9._/-]+$ ]] || fail "remote backend path must be an absolute safe path: $remote_backend_path"
      remote_backend_jar_sha256="$(ssh -o BatchMode=yes -o ConnectTimeout=10 "$remote_ssh" "sha256sum '$remote_backend_path'" | awk '{print $1}')" || fail "remote backend hash check failed: $remote_ssh:$remote_backend_path"
      [[ "$remote_backend_jar_sha256" =~ ^[0-9a-f]{64}$ ]] || fail "remote backend hash is invalid: $remote_ssh:$remote_backend_path"
      local_backend_jar_sha256="$(sha256 "$backend_jar")"
      local_backend_module_jar="$(mktemp)"
      unzip -p "$backend_jar" "BOOT-INF/lib/$backend_module_jar_name" > "$local_backend_module_jar"
      local_backend_module_sha256="$(normalized_jar_content_sha256 "$local_backend_module_jar")"
      rm -f "$local_backend_module_jar"
      remote_backend_module_sha_file="$(mktemp)"
      ssh -o BatchMode=yes -o ConnectTimeout=10 "$remote_ssh" bash -s -- "$remote_backend_path" "$backend_module_jar_name" > "$remote_backend_module_sha_file" <<'REMOTE'
set -euo pipefail
outer="$1"
module="$2"
nested="$(mktemp)"
manifest="$(mktemp)"
cleanup() {
  rm -f "$nested" "$manifest"
}
trap cleanup EXIT
unzip -p "$outer" "BOOT-INF/lib/$module" > "$nested"
while IFS= read -r entry; do
  case "$entry" in
    */|META-INF/*.SF|META-INF/*.RSA|META-INF/*.DSA) continue ;;
  esac
  printf '%s  %s\n' "$(unzip -p "$nested" "$entry" | sha256sum | awk '{print $1}')" "$entry" >> "$manifest"
done < <(unzip -Z1 "$nested" | LC_ALL=C sort)
sha256sum "$manifest" | awk '{print $1}'
REMOTE
      remote_backend_module_sha256="$(sed -n '1p' "$remote_backend_module_sha_file")"
      rm -f "$remote_backend_module_sha_file"
      [[ -n "$remote_backend_module_sha256" ]] || fail "remote backend module hash check returned no value: $remote_ssh:$remote_backend_path"
      [[ "$remote_backend_module_sha256" =~ ^[0-9a-f]{64}$ ]] || fail "remote backend module hash is invalid: $remote_ssh:$remote_backend_path"
      echo "remote_backend_jar_sha256=$remote_backend_jar_sha256"
      echo "local_backend_jar_sha256=$local_backend_jar_sha256"
      echo "backend_module=$backend_module_jar_name"
      echo "remote_backend_module_sha256=$remote_backend_module_sha256"
      echo "local_backend_module_sha256=$local_backend_module_sha256"
      [[ "$remote_backend_module_sha256" == "$local_backend_module_sha256" ]] || fail "remote AIHR module does not match local build"
      echo "remote_backend_module_match=true"
    fi
  fi
fi

echo "release-preflight: read-only checks passed"