-- Apply this patch after using create_database.sql to extend the schema to support tournaments from version 0.2.0
-- WARNING: Executing this on a post 0.2.0 database will delete all data related to tournaments !!!

DROP TABLE IF EXISTS `game_titles`;
/*!40101 SET @saved_cs_client     = @@character_set_client */;
/*!40101 SET character_set_client = utf8 */;
CREATE TABLE `game_titles` (
    id           INT AUTO_INCREMENT PRIMARY KEY,
    name         VARCHAR(255) NOT NULL,
    description  TEXT NOT NULL,
    web_link     VARCHAR(512) NOT NULL,
    image_name   VARCHAR(255) NOT NULL,
    UNIQUE KEY uq_game_title_name (name)
) ENGINE=InnoDB AUTO_INCREMENT=7 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci;
/*!40101 SET character_set_client = @saved_cs_client */;


DROP TABLE IF EXISTS `tournaments`;
/*!40101 SET @saved_cs_client     = @@character_set_client */;
/*!40101 SET character_set_client = utf8 */;
CREATE TABLE `tournaments` (
    id                INT AUTO_INCREMENT PRIMARY KEY,
    name              VARCHAR(255) NOT NULL,
    description       TEXT NOT NULL,
    game_title_id     INT NOT NULL,
    format            VARCHAR(20) NOT NULL,        -- SE_BO1, DE_BO3, ...
    start_time        DATETIME NOT NULL,
    status            VARCHAR(20) NOT NULL,        -- OPEN, CLOSED, ONGOING, ...
    max_participants  INT NOT NULL,
    created_at        DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,

    CONSTRAINT fk_tournament_game
        FOREIGN KEY (game_title_id)
        REFERENCES game_titles(id)
) ENGINE=InnoDB AUTO_INCREMENT=7 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci;
/*!40101 SET character_set_client = @saved_cs_client */;

CREATE INDEX idx_tournaments_game_title
    ON tournaments(game_title_id);

DROP TABLE IF EXISTS `tournament_participants`;
/*!40101 SET @saved_cs_client     = @@character_set_client */;
/*!40101 SET character_set_client = utf8 */;
CREATE TABLE `tournament_participants` (
    id               INT AUTO_INCREMENT PRIMARY KEY,
    tournament_id    INT NOT NULL,
    user_id          INT NOT NULL,
    participant_type VARCHAR(10) NOT NULL DEFAULT 'PLAYER',
    seed             INT NULL,
    joined_at        DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,

    UNIQUE KEY uq_tournament_user (tournament_id, user_id),

    CONSTRAINT fk_tp_tournament
        FOREIGN KEY (tournament_id)
        REFERENCES tournaments(id)
        ON DELETE CASCADE,

    CONSTRAINT fk_tp_user
        FOREIGN KEY (user_id)
        REFERENCES users(user_id)
) ENGINE=InnoDB AUTO_INCREMENT=7 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci;
/*!40101 SET character_set_client = @saved_cs_client */;

CREATE INDEX idx_tp_tournament
    ON tournament_participants(tournament_id);
CREATE INDEX idx_tp_user
    ON tournament_participants(user_id);

DROP TABLE IF EXISTS `tournament_rounds`;
/*!40101 SET @saved_cs_client     = @@character_set_client */;
/*!40101 SET character_set_client = utf8 */;
CREATE TABLE `tournament_rounds` (
    id             INT AUTO_INCREMENT PRIMARY KEY,
    tournament_id  INT NOT NULL,
    bracket        VARCHAR(10) NOT NULL,   -- UPPER, LOWER, FINAL
    round_index    INT NOT NULL,

    UNIQUE KEY uq_round (tournament_id, bracket, round_index),

    CONSTRAINT fk_round_tournament
        FOREIGN KEY (tournament_id)
        REFERENCES tournaments(id)
        ON DELETE CASCADE
) ENGINE=InnoDB AUTO_INCREMENT=7 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci;
/*!40101 SET character_set_client = @saved_cs_client */;

CREATE INDEX idx_rounds_tournament
    ON tournament_rounds(tournament_id);

DROP TABLE IF EXISTS `matches`;
/*!40101 SET @saved_cs_client     = @@character_set_client */;
/*!40101 SET character_set_client = utf8 */;
CREATE TABLE `matches` (
    id              INT AUTO_INCREMENT PRIMARY KEY,
    tournament_id   INT NOT NULL,
    round_id        INT NOT NULL,
    match_index     INT NOT NULL,
    status          VARCHAR(15) NOT NULL,   -- WAITING, PENDING, COMPLETED, ...
    best_of         INT NOT NULL,            -- 1, 3, 5
    scheduled_time  DATETIME NULL,
    completed_at    DATETIME NULL,

    UNIQUE KEY uq_match (round_id, match_index),

    CONSTRAINT fk_match_tournament
        FOREIGN KEY (tournament_id)
        REFERENCES tournaments(id)
        ON DELETE CASCADE,

    CONSTRAINT fk_match_round
        FOREIGN KEY (round_id)
        REFERENCES tournament_rounds(id)
        ON DELETE CASCADE
) ENGINE=InnoDB AUTO_INCREMENT=7 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci;
/*!40101 SET character_set_client = @saved_cs_client */;

CREATE INDEX idx_matches_tournament
    ON matches(tournament_id);

CREATE INDEX idx_matches_round
    ON matches(round_id);

DROP TABLE IF EXISTS `match_participants`;
/*!40101 SET @saved_cs_client     = @@character_set_client */;
/*!40101 SET character_set_client = utf8 */;
CREATE TABLE `match_participants` (
    match_id        INT NOT NULL,
    participant_id  INT NOT NULL,
    score           INT NULL,
    is_winner       TINYINT(1) NULL,

    PRIMARY KEY (match_id, participant_id),

    CONSTRAINT fk_mp_match
        FOREIGN KEY (match_id)
        REFERENCES matches(id)
        ON DELETE CASCADE,

    CONSTRAINT fk_mp_participant
        FOREIGN KEY (participant_id)
        REFERENCES tournament_participants(id)
) ENGINE=InnoDB AUTO_INCREMENT=7 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci;
/*!40101 SET character_set_client = @saved_cs_client */;