-- V2 phase-2 gateway matching and landing rewrite expansion.
-- This migration is additive and keeps legacy customer_gateway_policies and
-- vendor_gateway_prefix_rules in place for staged API/OpenSIPS rollout.

CREATE TABLE `business_prefixes` (
    `id` VARCHAR(32) NOT NULL,
    `prefix` VARCHAR(32) NOT NULL,
    `name` VARCHAR(120) NOT NULL,
    `description` VARCHAR(500) NULL,
    `priority` INTEGER NOT NULL DEFAULT 100,
    `status` ENUM('ENABLED', 'DISABLED') NOT NULL DEFAULT 'ENABLED',
    `created_at` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
    `updated_at` DATETIME(3) NOT NULL,
    `created_by` VARCHAR(32) NULL,
    `updated_by` VARCHAR(32) NULL,
    `version` INTEGER NOT NULL DEFAULT 1,
    `deleted_at` DATETIME(3) NULL,

    UNIQUE INDEX `business_prefixes_prefix_key`(`prefix`),
    INDEX `business_prefixes_status_priority_idx`(`status`, `priority`),
    INDEX `business_prefixes_deleted_at_idx`(`deleted_at`),
    PRIMARY KEY (`id`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

ALTER TABLE `customer_gateways`
    ADD COLUMN `line_group_id` VARCHAR(32) NULL,
    ADD COLUMN `billing_cycle_sec` INTEGER NOT NULL DEFAULT 60,
    ADD COLUMN `cycle_rate` DECIMAL(20, 6) NOT NULL DEFAULT 0,
    ADD COLUMN `caller_match_mode` ENUM('ANY', 'PREFIXES') NOT NULL DEFAULT 'ANY',
    ADD COLUMN `callee_match_mode` ENUM('ANY', 'BUSINESS_PREFIXES') NOT NULL DEFAULT 'ANY';

CREATE INDEX `customer_gateways_line_group_id_idx` ON `customer_gateways`(`line_group_id`);

ALTER TABLE `customer_gateways`
    ADD CONSTRAINT `customer_gateways_line_group_id_fkey`
    FOREIGN KEY (`line_group_id`) REFERENCES `landing_line_groups`(`id`)
    ON DELETE RESTRICT ON UPDATE CASCADE;

CREATE TABLE `customer_gateway_ips` (
    `id` VARCHAR(32) NOT NULL,
    `gateway_id` VARCHAR(32) NOT NULL,
    `source_ip` VARCHAR(45) NOT NULL,
    `status` ENUM('ENABLED', 'DISABLED') NOT NULL DEFAULT 'ENABLED',
    `created_at` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
    `updated_at` DATETIME(3) NOT NULL,
    `created_by` VARCHAR(32) NULL,
    `updated_by` VARCHAR(32) NULL,
    `version` INTEGER NOT NULL DEFAULT 1,
    `deleted_at` DATETIME(3) NULL,

    UNIQUE INDEX `customer_gateway_ips_gateway_id_source_ip_key`(`gateway_id`, `source_ip`),
    INDEX `customer_gateway_ips_source_ip_status_idx`(`source_ip`, `status`),
    INDEX `customer_gateway_ips_deleted_at_idx`(`deleted_at`),
    PRIMARY KEY (`id`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

ALTER TABLE `customer_gateway_ips`
    ADD CONSTRAINT `customer_gateway_ips_gateway_id_fkey`
    FOREIGN KEY (`gateway_id`) REFERENCES `customer_gateways`(`id`)
    ON DELETE CASCADE ON UPDATE CASCADE;

INSERT INTO `customer_gateway_ips` (
    `id`,
    `gateway_id`,
    `source_ip`,
    `status`,
    `created_at`,
    `updated_at`,
    `created_by`,
    `updated_by`,
    `version`,
    `deleted_at`
)
SELECT
    CONCAT('cgip_', LEFT(REPLACE(UUID(), '-', ''), 27)),
    `id`,
    `source_ip`,
    `status`,
    `created_at`,
    `updated_at`,
    `created_by`,
    `updated_by`,
    `version`,
    `deleted_at`
FROM `customer_gateways`
WHERE `source_ip` IS NOT NULL
  AND `source_ip` <> '';

CREATE TABLE `customer_gateway_business_prefixes` (
    `id` VARCHAR(32) NOT NULL,
    `gateway_id` VARCHAR(32) NOT NULL,
    `business_prefix_id` VARCHAR(32) NOT NULL,
    `created_at` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
    `created_by` VARCHAR(32) NULL,

    UNIQUE INDEX `cgbp_gateway_business_prefix_key`(`gateway_id`, `business_prefix_id`),
    INDEX `customer_gateway_business_prefixes_business_prefix_id_idx`(`business_prefix_id`),
    PRIMARY KEY (`id`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

ALTER TABLE `customer_gateway_business_prefixes`
    ADD CONSTRAINT `customer_gateway_business_prefixes_gateway_id_fkey`
    FOREIGN KEY (`gateway_id`) REFERENCES `customer_gateways`(`id`)
    ON DELETE CASCADE ON UPDATE CASCADE;

ALTER TABLE `customer_gateway_business_prefixes`
    ADD CONSTRAINT `customer_gateway_business_prefixes_business_prefix_id_fkey`
    FOREIGN KEY (`business_prefix_id`) REFERENCES `business_prefixes`(`id`)
    ON DELETE RESTRICT ON UPDATE CASCADE;

CREATE TABLE `customer_gateway_caller_prefixes` (
    `id` VARCHAR(32) NOT NULL,
    `gateway_id` VARCHAR(32) NOT NULL,
    `prefix` VARCHAR(64) NOT NULL,
    `priority` INTEGER NOT NULL DEFAULT 100,
    `created_at` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
    `created_by` VARCHAR(32) NULL,

    UNIQUE INDEX `customer_gateway_caller_prefixes_gateway_id_prefix_key`(`gateway_id`, `prefix`),
    INDEX `customer_gateway_caller_prefixes_gateway_id_priority_idx`(`gateway_id`, `priority`),
    PRIMARY KEY (`id`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

ALTER TABLE `customer_gateway_caller_prefixes`
    ADD CONSTRAINT `customer_gateway_caller_prefixes_gateway_id_fkey`
    FOREIGN KEY (`gateway_id`) REFERENCES `customer_gateways`(`id`)
    ON DELETE CASCADE ON UPDATE CASCADE;

ALTER TABLE `vendor_gateways`
    ADD COLUMN `landing_callee_prefix` VARCHAR(64) NULL;

CREATE TABLE `vendor_gateway_caller_rewrite_pool` (
    `id` VARCHAR(32) NOT NULL,
    `vendor_gateway_id` VARCHAR(32) NOT NULL,
    `caller` VARCHAR(64) NOT NULL,
    `weight` INTEGER NOT NULL DEFAULT 1,
    `status` ENUM('ENABLED', 'DISABLED') NOT NULL DEFAULT 'ENABLED',
    `created_at` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
    `updated_at` DATETIME(3) NOT NULL,
    `created_by` VARCHAR(32) NULL,
    `updated_by` VARCHAR(32) NULL,
    `version` INTEGER NOT NULL DEFAULT 1,
    `deleted_at` DATETIME(3) NULL,

    INDEX `vendor_gateway_caller_rewrite_pool_vendor_gateway_id_status_idx`(`vendor_gateway_id`, `status`),
    INDEX `vendor_gateway_caller_rewrite_pool_deleted_at_idx`(`deleted_at`),
    PRIMARY KEY (`id`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

ALTER TABLE `vendor_gateway_caller_rewrite_pool`
    ADD CONSTRAINT `vendor_gateway_caller_rewrite_pool_vendor_gateway_id_fkey`
    FOREIGN KEY (`vendor_gateway_id`) REFERENCES `vendor_gateways`(`id`)
    ON DELETE CASCADE ON UPDATE CASCADE;

ALTER TABLE `raw_cdrs`
    ADD COLUMN `raw_callee` VARCHAR(64) NULL,
    ADD COLUMN `business_prefix_id` VARCHAR(32) NULL,
    ADD COLUMN `business_prefix` VARCHAR(32) NULL,
    ADD COLUMN `landing_caller` VARCHAR(64) NULL,
    ADD COLUMN `landing_callee` VARCHAR(64) NULL;

CREATE INDEX `raw_cdrs_business_prefix_id_started_at_idx` ON `raw_cdrs`(`business_prefix_id`, `started_at`);

ALTER TABLE `raw_cdrs`
    ADD CONSTRAINT `raw_cdrs_business_prefix_id_fkey`
    FOREIGN KEY (`business_prefix_id`) REFERENCES `business_prefixes`(`id`)
    ON DELETE SET NULL ON UPDATE CASCADE;