-- ForexBot2 web dashboard schema (MySQL 8.0+ / MariaDB 10.5+)
-- Load once:  mysql -u root -p < schema.sql
-- (edit the database/user names to taste; keep them in sync with config.php)

CREATE DATABASE IF NOT EXISTS forexbot_web
  CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

USE forexbot_web;

-- Latest tick per symbol — a single row upserted on every published tick
-- (the bot throttles to 1/s). Tick history is deliberately NOT stored:
-- XAU produces 100k+ ticks/day; add a separate append table with a purge
-- job if charting is ever needed.
CREATE TABLE IF NOT EXISTS live_price (
  symbol      VARCHAR(16)   NOT NULL PRIMARY KEY,
  price       DECIMAL(12,5) NOT NULL,
  prev_price  DECIMAL(12,5) NULL,
  tick_at     DATETIME      NOT NULL,  -- UTC, set by the bot
  updated_at  TIMESTAMP     NOT NULL DEFAULT CURRENT_TIMESTAMP
                            ON UPDATE CURRENT_TIMESTAMP
) ENGINE=InnoDB;

-- One row per (symbol, timeframe, signal bar). Re-scans of the same bar
-- (e.g. the bot's level-breach rescan) update the row in place, so the
-- table is also a clean historical signal log (~400 rows/day for XAU on
-- M5+M15+H1+H4 — no retention job needed).
CREATE TABLE IF NOT EXISTS signal_reports (
  id          BIGINT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY,
  symbol      VARCHAR(16)   NOT NULL,
  timeframe   VARCHAR(8)    NOT NULL,   -- '5min','15min','1h','4h'
  bar_ts      DATETIME      NOT NULL,   -- signal bar timestamp (UTC)
  signal_name VARCHAR(12)   NOT NULL,   -- STRONG_BUY..STRONG_SELL
  quality     VARCHAR(2)    NOT NULL,   -- A+, A, B, C, D, F
  score       DECIMAL(6,2)  NOT NULL,
  confidence  DECIMAL(5,2)  NOT NULL,
  payload     JSON          NOT NULL,   -- full dashboard payload
  created_at  TIMESTAMP     NOT NULL DEFAULT CURRENT_TIMESTAMP,
  updated_at  TIMESTAMP     NOT NULL DEFAULT CURRENT_TIMESTAMP
                            ON UPDATE CURRENT_TIMESTAMP,
  UNIQUE KEY uq_bar (symbol, timeframe, bar_ts),
  KEY idx_latest (symbol, timeframe, id)
) ENGINE=InnoDB;

-- Dedicated app user with least privilege (adjust host/password!):
-- CREATE USER 'forexbot'@'localhost' IDENTIFIED BY 'CHANGE-ME';
-- GRANT SELECT, INSERT, UPDATE ON forexbot_web.* TO 'forexbot'@'localhost';
-- FLUSH PRIVILEGES;