-- +goose Up

-- 1. chat_conversations 表新增 distribution_site_id
ALTER TABLE chat_conversations
  ADD COLUMN distribution_site_id BIGINT UNSIGNED NULL AFTER listing_id,
  ADD KEY idx_chat_conversations_distribution_site (distribution_site_id, status);

-- 2. wallet_accounts 表新增 distribution_site_id 并将唯一键变更为 (user_id, distribution_site_id)
ALTER TABLE wallet_accounts
  ADD COLUMN distribution_site_id BIGINT UNSIGNED NOT NULL DEFAULT 0 AFTER user_id,
  DROP KEY uk_wallet_accounts_user_id,
  ADD UNIQUE KEY uk_wallet_accounts_user_site (user_id, distribution_site_id);

-- 3. wallet_ledger 表新增 distribution_site_id 列与联合索引
ALTER TABLE wallet_ledger
  ADD COLUMN distribution_site_id BIGINT UNSIGNED NOT NULL DEFAULT 0 AFTER user_id,
  ADD KEY idx_wallet_ledger_user_site (user_id, distribution_site_id);

-- 4. withdrawal_requests 表新增 distribution_site_id 列与联合索引
ALTER TABLE withdrawal_requests
  ADD COLUMN distribution_site_id BIGINT UNSIGNED NOT NULL DEFAULT 0 AFTER user_id,
  ADD KEY idx_withdrawal_user_site (user_id, distribution_site_id);

-- +goose Down

ALTER TABLE withdrawal_requests
  DROP KEY idx_withdrawal_user_site,
  DROP COLUMN distribution_site_id;

ALTER TABLE wallet_ledger
  DROP KEY idx_wallet_ledger_user_site,
  DROP COLUMN distribution_site_id;

ALTER TABLE wallet_accounts
  DROP KEY uk_wallet_accounts_user_site,
  ADD UNIQUE KEY uk_wallet_accounts_user_id (user_id),
  DROP COLUMN distribution_site_id;

ALTER TABLE chat_conversations
  DROP KEY idx_chat_conversations_distribution_site,
  DROP COLUMN distribution_site_id;