CREATE TABLE IF NOT EXISTS job (
    id                SERIAL PRIMARY KEY,
    job_id            BIGINT NOT NULL,
    cluster           VARCHAR(255) NOT NULL,
    subcluster        VARCHAR(255) NOT NULL,
    start_time        BIGINT NOT NULL, -- Unix timestamp

    "user"              VARCHAR(255) NOT NULL,
    project           VARCHAR(255) NOT NULL,
    "partition"       VARCHAR(255) NOT NULL,
    array_job_id      BIGINT NOT NULL,
    duration          INT NOT NULL DEFAULT 0,
    walltime          INT NOT NULL DEFAULT 0,
    job_state         VARCHAR(255) NOT NULL 
    CHECK (job_state IN ('running', 'completed', 'failed', 'cancelled',
            'stopped', 'timeout', 'preempted', 'out_of_memory')),
    meta_data         TEXT,          -- JSON
    resources         TEXT NOT NULL, -- JSON

    num_nodes         INT NOT NULL,
    num_hwthreads     INT NOT NULL,
    num_acc           INT NOT NULL,
    smt               SMALLINT NOT NULL DEFAULT 1 CHECK (smt IN (0, 1)),
    exclusive         SMALLINT NOT NULL DEFAULT 1 CHECK (exclusive IN (0, 1, 2)),
    monitoring_status SMALLINT NOT NULL DEFAULT 1 CHECK (monitoring_status IN (0, 1, 2, 3)),

    mem_used_max        REAL NOT NULL DEFAULT 0.0,
    flops_any_avg       REAL NOT NULL DEFAULT 0.0,
    mem_bw_avg          REAL NOT NULL DEFAULT 0.0,
    load_avg            REAL NOT NULL DEFAULT 0.0,
    net_bw_avg          REAL NOT NULL DEFAULT 0.0,
    net_data_vol_total  REAL NOT NULL DEFAULT 0.0,
    file_bw_avg         REAL NOT NULL DEFAULT 0.0,
    file_data_vol_total REAL NOT NULL DEFAULT 0.0,
    UNIQUE (job_id, cluster, start_time)
);

CREATE TABLE IF NOT EXISTS tag (
    id       SERIAL PRIMARY KEY,
    tag_type VARCHAR(255) NOT NULL,
    tag_name VARCHAR(255) NOT NULL,
    UNIQUE (tag_type, tag_name)
);

CREATE TABLE IF NOT EXISTS jobtag (
    job_id INTEGER,
    tag_id INTEGER,
    PRIMARY KEY (job_id, tag_id),
    FOREIGN KEY (job_id) REFERENCES job (id) ON DELETE CASCADE,
    FOREIGN KEY (tag_id) REFERENCES tag (id) ON DELETE CASCADE
);

CREATE TABLE IF NOT EXISTS "user" (
    username VARCHAR(255) PRIMARY KEY NOT NULL,
    password VARCHAR(255) DEFAULT NULL,
    ldap     SMALLINT NOT NULL DEFAULT 0, -- "ldap" for historic reasons, fills the "AuthSource"
    name     VARCHAR(255) DEFAULT NULL,
    roles    VARCHAR(255) NOT NULL DEFAULT '[]',
    email    VARCHAR(255) DEFAULT NULL
);

CREATE TABLE IF NOT EXISTS configuration (
    username VARCHAR(255),
    confkey  VARCHAR(255),
    value    VARCHAR(255),
    PRIMARY KEY (username, confkey),
    FOREIGN KEY (username) REFERENCES "user" (username) ON DELETE CASCADE ON UPDATE NO ACTION
);