-- +goose Up

CREATE TABLE distribution_sites (
  id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
  site_code VARCHAR(64) NOT NULL,
  site_name VARCHAR(128) NOT NULL,
  domain VARCHAR(255) NOT NULL,
  status VARCHAR(16) NOT NULL DEFAULT 'active',
  display_account_enabled TINYINT(1) NOT NULL DEFAULT 1,
  default_support_group_id BIGINT UNSIGNED NULL,
  tax_enabled TINYINT(1) NOT NULL DEFAULT 0,
  tax_rate_bps BIGINT NOT NULL DEFAULT 100,
  created_at DATETIME NOT NULL,
  updated_at DATETIME NOT NULL,
  PRIMARY KEY (id),
  UNIQUE KEY uk_distribution_sites_code (site_code),
  UNIQUE KEY uk_distribution_sites_domain (domain),
  KEY idx_distribution_sites_status (status)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='分销网站主体';

CREATE TABLE distribution_site_members (
  id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
  site_id BIGINT UNSIGNED NOT NULL,
  admin_user_id BIGINT UNSIGNED NOT NULL,
  member_type VARCHAR(32) NOT NULL,
  status VARCHAR(16) NOT NULL DEFAULT 'active',
  data_scope VARCHAR(32) NOT NULL DEFAULT 'site',
  created_at DATETIME NOT NULL,
  updated_at DATETIME NOT NULL,
  PRIMARY KEY (id),
  UNIQUE KEY uk_distribution_site_member (site_id, admin_user_id),
  KEY idx_distribution_site_members_admin (admin_user_id, status),
  CONSTRAINT fk_distribution_site_members_site FOREIGN KEY (site_id) REFERENCES distribution_sites (id),
  CONSTRAINT fk_distribution_site_members_admin FOREIGN KEY (admin_user_id) REFERENCES admin_users (id)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='分销网站后台成员';

CREATE TABLE distribution_site_accounts (
  id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
  site_id BIGINT UNSIGNED NOT NULL,
  account_id BIGINT UNSIGNED NOT NULL,
  listing_id BIGINT UNSIGNED NOT NULL,
  display_status VARCHAR(16) NOT NULL DEFAULT 'enabled',
  display_started_at DATETIME NULL,
  display_ended_at DATETIME NULL,
  created_at DATETIME NOT NULL,
  updated_at DATETIME NOT NULL,
  PRIMARY KEY (id),
  UNIQUE KEY uk_distribution_site_account (site_id, account_id),
  KEY idx_distribution_site_accounts_listing (listing_id),
  KEY idx_distribution_site_accounts_display (site_id, display_status),
  CONSTRAINT fk_distribution_site_accounts_site FOREIGN KEY (site_id) REFERENCES distribution_sites (id)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='分销网站账号展示关系';

CREATE TABLE distribution_rule_versions (
  id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
  site_id BIGINT UNSIGNED NULL,
  mode VARCHAR(32) NOT NULL,
  version INT NOT NULL,
  status VARCHAR(16) NOT NULL DEFAULT 'draft',
  platform_receive_ratio DECIMAL(10,2) NOT NULL DEFAULT 0,
  platform_sell_ratio DECIMAL(10,2) NOT NULL DEFAULT 0,
  distributor_receive_ratio DECIMAL(10,2) NOT NULL DEFAULT 0,
  distributor_sell_ratio DECIMAL(10,2) NOT NULL DEFAULT 0,
  distributor_a_ratio DECIMAL(10,2) NOT NULL DEFAULT 0,
  distributor_b_ratio DECIMAL(10,2) NOT NULL DEFAULT 0,
  service_fee_value DECIMAL(12,4) NOT NULL DEFAULT 0,
  service_fee_unit VARCHAR(24) NOT NULL DEFAULT 'ratio',
  payment_fee_bps BIGINT NOT NULL DEFAULT 50,
  tax_enabled TINYINT(1) NOT NULL DEFAULT 0,
  tax_rate_bps BIGINT NOT NULL DEFAULT 100,
  effective_from DATETIME NOT NULL,
  effective_to DATETIME NULL,
  created_by BIGINT UNSIGNED NULL,
  created_at DATETIME NOT NULL,
  PRIMARY KEY (id),
  UNIQUE KEY uk_distribution_rule_version (site_id, mode, version),
  KEY idx_distribution_rule_effective (site_id, mode, status, effective_from),
  CONSTRAINT fk_distribution_rule_site FOREIGN KEY (site_id) REFERENCES distribution_sites (id),
  CONSTRAINT fk_distribution_rule_admin FOREIGN KEY (created_by) REFERENCES admin_users (id)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='分销分账规则版本';

CREATE TABLE distribution_order_financials (
  id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
  order_id BIGINT UNSIGNED NOT NULL,
  site_id BIGINT UNSIGNED NOT NULL,
  rule_version_id BIGINT UNSIGNED NOT NULL,
  gross_paid_amount_cent BIGINT NOT NULL DEFAULT 0,
  refund_amount_cent BIGINT NOT NULL DEFAULT 0,
  net_paid_amount_cent BIGINT NOT NULL DEFAULT 0,
  payment_fee_bps BIGINT NOT NULL DEFAULT 50,
  payment_fee_cent BIGINT NOT NULL DEFAULT 0,
  service_fee_value DECIMAL(12,4) NOT NULL DEFAULT 0,
  service_fee_unit VARCHAR(24) NOT NULL DEFAULT 'ratio',
  service_fee_cent BIGINT NOT NULL DEFAULT 0,
  markup_amount_cent BIGINT NOT NULL DEFAULT 0,
  tax_enabled TINYINT(1) NOT NULL DEFAULT 0,
  tax_rate_bps BIGINT NOT NULL DEFAULT 100,
  tax_amount_cent BIGINT NOT NULL DEFAULT 0,
  split_base_amount_cent BIGINT NOT NULL DEFAULT 0,
  rounding_adjustment_cent BIGINT NOT NULL DEFAULT 0,
  settlement_status VARCHAR(24) NOT NULL DEFAULT 'pending',
  settled_at DATETIME NULL,
  created_at DATETIME NOT NULL,
  updated_at DATETIME NOT NULL,
  PRIMARY KEY (id),
  UNIQUE KEY uk_distribution_order_financial_order (order_id),
  KEY idx_distribution_order_financial_site_status (site_id, settlement_status),
  CONSTRAINT fk_distribution_order_financial_order FOREIGN KEY (order_id) REFERENCES rental_orders (id),
  CONSTRAINT fk_distribution_order_financial_site FOREIGN KEY (site_id) REFERENCES distribution_sites (id),
  CONSTRAINT fk_distribution_order_financial_rule FOREIGN KEY (rule_version_id) REFERENCES distribution_rule_versions (id)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='分销正常订单财务快照';

CREATE TABLE distribution_order_parties (
  id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
  order_id BIGINT UNSIGNED NOT NULL,
  site_id BIGINT UNSIGNED NOT NULL,
  party_role VARCHAR(32) NOT NULL,
  party_type VARCHAR(16) NOT NULL,
  party_id BIGINT UNSIGNED NOT NULL,
  ratio DECIMAL(10,2) NOT NULL DEFAULT 0,
  income_amount_cent BIGINT NOT NULL DEFAULT 0,
  cost_amount_cent BIGINT NOT NULL DEFAULT 0,
  profit_amount_cent BIGINT NOT NULL DEFAULT 0,
  tax_amount_cent BIGINT NOT NULL DEFAULT 0,
  created_at DATETIME NOT NULL,
  updated_at DATETIME NOT NULL,
  PRIMARY KEY (id),
  KEY idx_distribution_order_parties_order (order_id),
  KEY idx_distribution_order_parties_site_role (site_id, party_role),
  CONSTRAINT fk_distribution_order_parties_order FOREIGN KEY (order_id) REFERENCES rental_orders (id),
  CONSTRAINT fk_distribution_order_parties_site FOREIGN KEY (site_id) REFERENCES distribution_sites (id)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='分销订单参与方快照';

CREATE TABLE distribution_settlement_batches (
  id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
  site_id BIGINT UNSIGNED NOT NULL,
  batch_no VARCHAR(64) NOT NULL,
  period_start DATETIME NOT NULL,
  period_end DATETIME NOT NULL,
  total_amount_cent BIGINT NOT NULL DEFAULT 0,
  status VARCHAR(16) NOT NULL DEFAULT 'draft',
  created_by BIGINT UNSIGNED NULL,
  settled_at DATETIME NULL,
  created_at DATETIME NOT NULL,
  updated_at DATETIME NOT NULL,
  PRIMARY KEY (id),
  UNIQUE KEY uk_distribution_settlement_batch_no (batch_no),
  KEY idx_distribution_settlement_batches_site_status (site_id, status),
  CONSTRAINT fk_distribution_settlement_batches_site FOREIGN KEY (site_id) REFERENCES distribution_sites (id),
  CONSTRAINT fk_distribution_settlement_batches_admin FOREIGN KEY (created_by) REFERENCES admin_users (id)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='分销结算批次';

CREATE TABLE distribution_settlement_items (
  id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
  batch_id BIGINT UNSIGNED NOT NULL,
  order_id BIGINT UNSIGNED NOT NULL,
  party_id BIGINT UNSIGNED NOT NULL,
  amount_cent BIGINT NOT NULL DEFAULT 0,
  status VARCHAR(16) NOT NULL DEFAULT 'pending',
  created_at DATETIME NOT NULL,
  PRIMARY KEY (id),
  UNIQUE KEY uk_distribution_settlement_item (batch_id, order_id, party_id),
  KEY idx_distribution_settlement_items_order (order_id),
  CONSTRAINT fk_distribution_settlement_items_batch FOREIGN KEY (batch_id) REFERENCES distribution_settlement_batches (id),
  CONSTRAINT fk_distribution_settlement_items_order FOREIGN KEY (order_id) REFERENCES rental_orders (id),
  CONSTRAINT fk_distribution_settlement_items_party FOREIGN KEY (party_id) REFERENCES distribution_order_parties (id)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='分销结算明细';

CREATE TABLE distribution_site_payment_channels (
  id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
  site_id BIGINT UNSIGNED NOT NULL,
  config_id BIGINT UNSIGNED NOT NULL,
  priority INT NOT NULL DEFAULT 0,
  status VARCHAR(16) NOT NULL DEFAULT 'active',
  created_at DATETIME NOT NULL,
  updated_at DATETIME NOT NULL,
  PRIMARY KEY (id),
  UNIQUE KEY uk_distribution_site_payment (site_id, config_id),
  KEY idx_distribution_site_payment_status (site_id, status, priority),
  CONSTRAINT fk_distribution_site_payment_site FOREIGN KEY (site_id) REFERENCES distribution_sites (id),
  CONSTRAINT fk_distribution_site_payment_config FOREIGN KEY (config_id) REFERENCES payment_merchant_configs (id)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='分销网站收款通道绑定';

ALTER TABLE rental_orders
  ADD COLUMN distribution_site_id BIGINT UNSIGNED NULL AFTER source_channel,
  ADD COLUMN distribution_mode VARCHAR(32) NOT NULL DEFAULT '' AFTER distribution_site_id,
  ADD COLUMN distribution_rule_version_id BIGINT UNSIGNED NULL AFTER distribution_mode,
  ADD KEY idx_rental_orders_distribution_site (distribution_site_id, distribution_mode),
  ADD CONSTRAINT fk_rental_orders_distribution_site FOREIGN KEY (distribution_site_id) REFERENCES distribution_sites (id),
  ADD CONSTRAINT fk_rental_orders_distribution_rule FOREIGN KEY (distribution_rule_version_id) REFERENCES distribution_rule_versions (id);

INSERT INTO permissions (code, name, resource, action) VALUES
('distribution:site_view', '查看分销网站', 'distribution', 'site_view'),
('distribution:site_manage', '管理分销网站', 'distribution', 'site_manage'),
('distribution:order_view', '查看分销订单', 'distribution', 'order_view'),
('distribution:process_view', '查看分销订单过程', 'distribution', 'process_view'),
('distribution:finance_view', '查看分销财务', 'distribution', 'finance_view'),
('distribution:settlement_view', '查看分销结算', 'distribution', 'settlement_view'),
('distribution:settlement_manage', '管理分销结算', 'distribution', 'settlement_manage'),
('distribution:rule_view', '查看分销规则', 'distribution', 'rule_view'),
('distribution:rule_manage', '管理分销规则', 'distribution', 'rule_manage'),
('distribution:account_view', '查看分销账号', 'distribution', 'account_view'),
('distribution:account_display', '管理分销账号展示', 'distribution', 'account_display'),
('distribution:payment_view', '查看分销支付通道', 'distribution', 'payment_view'),
('distribution:payment_manage', '管理分销支付通道', 'distribution', 'payment_manage'),
('distribution:chat_view', '查看分销客服消息', 'distribution', 'chat_view'),
('distribution:chat_send', '发送分销客服消息', 'distribution', 'chat_send')
ON DUPLICATE KEY UPDATE name = VALUES(name), resource = VALUES(resource), action = VALUES(action);

INSERT IGNORE INTO role_permissions (role_id, permission_id)
SELECT r.id, p.id FROM roles r CROSS JOIN permissions p
WHERE r.code = 'super_admin' AND p.code LIKE 'distribution:%';

INSERT INTO distribution_rule_versions (
  site_id, mode, version, status,
  platform_receive_ratio, platform_sell_ratio,
  distributor_receive_ratio, distributor_sell_ratio,
  distributor_a_ratio, distributor_b_ratio,
  service_fee_value, service_fee_unit, payment_fee_bps,
  tax_enabled, tax_rate_bps, effective_from, created_at
) VALUES
  (NULL, 'two_party_distributor_receive', 1, 'active', 0, 4, 3.5, 0, 0, 0, 2.5, 'ratio', 50, 0, 100, NOW(), NOW()),
  (NULL, 'two_party_platform_receive', 1, 'active', 3.5, 0, 0, 4, 0, 0, 2.5, 'ratio', 50, 0, 100, NOW(), NOW()),
  (NULL, 'three_party', 1, 'active', 0, 0, 0, 0, 3.5, 4, 2.5, 'ratio', 50, 0, 100, NOW(), NOW())
ON DUPLICATE KEY UPDATE
  status = VALUES(status),
  service_fee_value = VALUES(service_fee_value),
  service_fee_unit = VALUES(service_fee_unit),
  payment_fee_bps = VALUES(payment_fee_bps);

-- +goose Down

DROP TABLE IF EXISTS distribution_order_financials;
DROP TABLE IF EXISTS distribution_site_payment_channels;
DROP TABLE IF EXISTS distribution_settlement_items;
DROP TABLE IF EXISTS distribution_settlement_batches;
DROP TABLE IF EXISTS distribution_order_parties;
ALTER TABLE rental_orders
  DROP FOREIGN KEY fk_rental_orders_distribution_rule,
  DROP FOREIGN KEY fk_rental_orders_distribution_site,
  DROP KEY idx_rental_orders_distribution_site,
  DROP COLUMN distribution_rule_version_id,
  DROP COLUMN distribution_mode,
  DROP COLUMN distribution_site_id;
DROP TABLE IF EXISTS distribution_rule_versions;
DROP TABLE IF EXISTS distribution_site_accounts;
DROP TABLE IF EXISTS distribution_site_members;
DROP TABLE IF EXISTS distribution_sites;

DELETE rp FROM role_permissions rp
JOIN permissions p ON p.id = rp.permission_id
WHERE p.code LIKE 'distribution:%';

DELETE FROM permissions WHERE code IN (
  'distribution:site_view', 'distribution:site_manage', 'distribution:order_view', 'distribution:process_view',
  'distribution:finance_view', 'distribution:settlement_view', 'distribution:settlement_manage',
  'distribution:rule_view', 'distribution:rule_manage', 'distribution:account_view', 'distribution:account_display',
  'distribution:payment_view', 'distribution:payment_manage', 'distribution:chat_view', 'distribution:chat_send'
);