-- Deploymentcenter Unified Database Schema
-- UTF-8 (utf8mb4) & InnoDB

SET FOREIGN_KEY_CHECKS = 0;

-- Core Platform Tables
DROP TABLE IF EXISTS dc_users;
DROP TABLE IF EXISTS dc_settings;

-- LicenseLabrador Module Tables
DROP TABLE IF EXISTS license_api_rate_limit;
DROP TABLE IF EXISTS license_audit_log;
DROP TABLE IF EXISTS license_activations;
DROP TABLE IF EXISTS license_licenses;
DROP TABLE IF EXISTS license_products;

-- Watchdog Module Tables
DROP TABLE IF EXISTS watchdog_proxmox_targets;
DROP TABLE IF EXISTS watchdog_agent_tokens;
DROP TABLE IF EXISTS watchdog_cron_jobs;
DROP TABLE IF EXISTS watchdog_event_log;
DROP TABLE IF EXISTS watchdog_monitors;

-- UpdateService Module Tables
DROP TABLE IF EXISTS updateservice_releases;

SET FOREIGN_KEY_CHECKS = 1;

-- 1. Core Platform Tables
CREATE TABLE dc_users (
  id INT AUTO_INCREMENT PRIMARY KEY,
  username VARCHAR(64) NOT NULL UNIQUE,
  password_hash VARCHAR(255) NOT NULL,
  totp_secret VARCHAR(64) NULL,
  created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

CREATE TABLE dc_settings (
  skey VARCHAR(64) PRIMARY KEY,
  svalue TEXT NOT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

-- 2. LicenseLabrador Module Tables
CREATE TABLE license_products (
  id INT AUTO_INCREMENT PRIMARY KEY,
  slug VARCHAR(64) NOT NULL UNIQUE,
  name VARCHAR(190) NOT NULL,
  notes TEXT NULL,
  default_cache_ttl_hours INT NOT NULL DEFAULT 168,
  created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

CREATE TABLE license_licenses (
  id INT AUTO_INCREMENT PRIMARY KEY,
  product_id INT NOT NULL,
  license_key CHAR(29) NOT NULL UNIQUE,
  customer_name VARCHAR(190) NULL,
  customer_email VARCHAR(190) NULL,
  status ENUM('active','revoked','suspended') NOT NULL DEFAULT 'active',
  expires_at DATETIME NULL,
  max_activations INT NOT NULL DEFAULT 2,
  notes TEXT NULL,
  created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
  FOREIGN KEY (product_id) REFERENCES license_products(id) ON DELETE RESTRICT
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

CREATE TABLE license_activations (
  id INT AUTO_INCREMENT PRIMARY KEY,
  license_id INT NOT NULL,
  hardware_id VARCHAR(128) NOT NULL,
  hostname VARCHAR(190) NULL,
  app_version VARCHAR(64) NULL,
  first_seen DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
  last_seen DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
  is_blocked TINYINT(1) NOT NULL DEFAULT 0,
  UNIQUE KEY uq_lic_hw (license_id, hardware_id),
  FOREIGN KEY (license_id) REFERENCES license_licenses(id) ON DELETE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

CREATE TABLE license_audit_log (
  id BIGINT AUTO_INCREMENT PRIMARY KEY,
  created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
  actor VARCHAR(64) NOT NULL,
  action VARCHAR(64) NOT NULL,
  details TEXT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

CREATE TABLE license_api_rate_limit (
  ip VARBINARY(16) NOT NULL,
  window_start DATETIME NOT NULL,
  request_count INT NOT NULL DEFAULT 0,
  PRIMARY KEY (ip, window_start)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

-- 3. Watchdog Module Tables
CREATE TABLE watchdog_monitors (
  id                    BIGINT AUTO_INCREMENT PRIMARY KEY,
  source                VARCHAR(100)  NOT NULL,
  instance              VARCHAR(100)  NOT NULL DEFAULT 'default',
  type                  ENUM('heartbeat','host','hypervisor_node','guest') NOT NULL DEFAULT 'heartbeat',
  state                 ENUM('up','warning','down','error','stopped','maintenance') NOT NULL DEFAULT 'up',
  expected_interval_sec INT           NOT NULL DEFAULT 60,
  last_seen_utc         DATETIME      NULL,
  last_status           ENUM('ok','warning','error') NULL,
  last_message          TEXT          NULL,
  metrics_json          JSON          NULL,
  metric_state_reason   VARCHAR(255)  NULL,
  group_key             VARCHAR(150)  NULL,
  parent_source         VARCHAR(100)  NULL,
  notes                 TEXT          NULL,
  url                   VARCHAR(255)  NULL,
  icon                  VARCHAR(255)  NULL,
  is_muted              TINYINT(1)    NOT NULL DEFAULT 0,
  expect_running        TINYINT(1)    NOT NULL DEFAULT 1,
  os                    VARCHAR(50)   NULL,
  first_contact_deadline_utc DATETIME NULL,
  ack_until_utc         DATETIME      NULL,
  acknowledged_by       VARCHAR(100)  NULL,
  warning_notified_utc  DATETIME      NULL,
  suppress_until_utc    DATETIME      NULL,
  last_started_utc      DATETIME      NULL,
  last_stopped_utc      DATETIME      NULL,
  last_crash_utc        DATETIME      NULL,
  created_utc           DATETIME      NOT NULL DEFAULT CURRENT_TIMESTAMP,
  updated_utc           DATETIME      NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
  UNIQUE KEY uq_monitor (source, instance)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

CREATE TABLE watchdog_event_log (
  id              BIGINT AUTO_INCREMENT PRIMARY KEY,
  source          VARCHAR(100) NOT NULL,
  instance        VARCHAR(100) NOT NULL DEFAULT 'default',
  kind            ENUM('started','stopped_graceful','crash_suspected','hard_error',
                       'recovered','warning_raised','warning_cleared',
                       'maintenance_start','maintenance_end','watchdog_started') NOT NULL,
  from_state      VARCHAR(20) NULL,
  to_state        VARCHAR(20) NULL,
  severity        ENUM('info','warning','alarm') NOT NULL DEFAULT 'info',
  at_utc          DATETIME    NOT NULL DEFAULT CURRENT_TIMESTAMP,
  message         TEXT        NULL,
  meta_json       JSON        NULL,
  notified        TINYINT(1)  NOT NULL DEFAULT 0,
  notified_at_utc DATETIME    NULL,
  channel         VARCHAR(40) NULL,
  KEY ix_evt (source, instance, at_utc),
  KEY ix_evt_time (at_utc)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

CREATE TABLE watchdog_cron_jobs (
  name             VARCHAR(50) PRIMARY KEY,
  interval_sec     INT         NOT NULL,
  last_run_utc     DATETIME    NULL,
  running          TINYINT(1)  NOT NULL DEFAULT 0,
  lock_until_utc   DATETIME    NULL,
  last_status      VARCHAR(20) NULL,
  last_duration_ms INT         NULL,
  enabled          TINYINT(1)  NOT NULL DEFAULT 1
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

CREATE TABLE watchdog_agent_tokens (
  token_id        VARCHAR(64) PRIMARY KEY,
  token_hash      VARCHAR(128) NOT NULL,
  name            VARCHAR(100) NOT NULL,
  monitor_source  VARCHAR(100) NULL,
  monitor_instance VARCHAR(100) NULL,
  created_at_utc  DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
  last_used_at_utc DATETIME NULL,
  revoked         TINYINT(1) NOT NULL DEFAULT 0
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

CREATE TABLE watchdog_proxmox_targets (
  id              INT AUTO_INCREMENT PRIMARY KEY,
  name            VARCHAR(100) NOT NULL,
  url             VARCHAR(255) NOT NULL,
  token_id        VARCHAR(150) NOT NULL,
  token_secret    TEXT NOT NULL,
  cert_fingerprint VARCHAR(100) NULL,
  enabled         TINYINT(1) NOT NULL DEFAULT 1,
  last_poll_utc   DATETIME NULL,
  last_status     VARCHAR(50) NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

-- 4. UpdateService Module Tables
CREATE TABLE updateservice_releases (
  id INT AUTO_INCREMENT PRIMARY KEY,
  product_slug VARCHAR(64) NOT NULL,
  version VARCHAR(32) NOT NULL,
  release_notes TEXT NULL,
  download_url VARCHAR(255) NOT NULL,
  sha256_hash VARCHAR(64) NULL,
  is_critical TINYINT(1) NOT NULL DEFAULT 0,
  created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
  UNIQUE KEY uq_prod_ver (product_slug, version)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

-- Seed default cron jobs for Watchdog
INSERT INTO watchdog_cron_jobs (name, interval_sec, enabled) VALUES
('evaluator', 60, 1),
('proxmox_poll', 60, 1),
('proxmox_smart', 600, 1),
('warning_digest', 43200, 1),
('self_ping', 60, 1),
('eventlog_cleanup', 86400, 1)
ON DUPLICATE KEY UPDATE interval_sec = VALUES(interval_sec);