-- ==========================================
-- 1. project 表
-- ==========================================
CREATE TABLE project (
    project_id CHAR(36) PRIMARY KEY,
    code VARCHAR(20) NOT NULL UNIQUE,
    name VARCHAR(200) NOT NULL,
    description TEXT,
    topology LONGTEXT,
    created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
    updated_at DATETIME DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP
);

-- ==========================================
-- 2. device 表
-- ==========================================
CREATE TABLE device (
    device_id CHAR(36) PRIMARY KEY,
    project_id CHAR(36) NOT NULL,
    code VARCHAR(50) NOT NULL,
    type VARCHAR(50) NOT NULL,
    name VARCHAR(100),
    size JSON NOT NULL,
    volume DOUBLE,
    flow_rate DOUBLE,
    pulse_velocity DOUBLE,
    created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
    updated_at DATETIME DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP
);

-- ==========================================
-- 3. material 表
-- ==========================================
CREATE TABLE material (
    material_id CHAR(36) PRIMARY KEY,
    project_id CHAR(36) NOT NULL,
    name VARCHAR(100) NOT NULL,
    u_concentration DOUBLE,
    uo2_density DOUBLE,
    u_enrichment DOUBLE,
    pu_concentration DOUBLE,
    puo2_density DOUBLE,
    pu_isotope DOUBLE,
    hno3_acidity DOUBLE,
    h2c2o4_concentration DOUBLE,
    organic_ratio DOUBLE,
    moisture_content DOUBLE,
    custom_attrs JSON,
    created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
    updated_at DATETIME DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP
);

-- ==========================================
-- 4. critical_data 表
-- ==========================================
CREATE TABLE critical_data (
    critical_id CHAR(36) PRIMARY KEY,
    device_type VARCHAR(50) NOT NULL,
    attr_state JSON NOT NULL,
    keff_value DOUBLE,
    created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
    updated_at DATETIME DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP
);

-- ==========================================
-- 5. scenario 表
-- ==========================================
CREATE TABLE scenario (
    scenario_id CHAR(36) PRIMARY KEY,
    project_id CHAR(36) NOT NULL,
    name VARCHAR(100) NOT NULL,
    description TEXT,
    created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
    updated_at DATETIME DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP
);

-- ==========================================
-- 6. event 表
-- ==========================================
CREATE TABLE event (
    event_id CHAR(36) PRIMARY KEY,
    scenario_id CHAR(36) NOT NULL,
    device_id CHAR(36),
    material_id CHAR(36),
    attr_changes JSON NOT NULL,
    trigger_time DOUBLE NOT NULL,
    created_at DATETIME DEFAULT CURRENT_TIMESTAMP
);

-- ==========================================
-- 7. scenario_result 表
-- ==========================================
CREATE TABLE scenario_result (
    scenario_id CHAR(36) NOT NULL,
    device_id CHAR(36) NOT NULL,
    step INT NOT NULL,
    attr_state JSON NOT NULL,
    keff_value DOUBLE,
    PRIMARY KEY(scenario_id, device_id, step)
);

-- ==========================================
-- 8.algorithm 表
-- ==========================================
CREATE TABLE algorithm (
    algorithm_id CHAR(36) PRIMARY KEY COMMENT '算法唯一ID',
    name VARCHAR(100) NOT NULL COMMENT '算法名称',
    description TEXT COMMENT '算法描述',
    version VARCHAR(20) COMMENT '版本号，例如v1.0',
    principle TEXT COMMENT '算法原理说明',
    updated_at DATETIME DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT '更新时间',
    input_params JSON COMMENT '调用参数，以JSON存储参数名称、类型、默认值等',
    output_params JSON COMMENT '输出参数，以JSON存储参数名称、类型、说明等'
);