-- =============================================
-- 文件管理系统 - SQL Server 初始化脚本
-- =============================================

IF NOT EXISTS (SELECT name FROM sys.databases WHERE name = N'seeyon_fs')
BEGIN
    CREATE DATABASE seeyon_fs;
END
GO

USE seeyon_fs;
GO

-- ========== 用户与权限 ==========

IF NOT EXISTS (SELECT * FROM sys.tables WHERE name = 'fs_user')
CREATE TABLE fs_user (
    id            BIGINT IDENTITY(1,1) PRIMARY KEY,
    username      NVARCHAR(64) UNIQUE NOT NULL,
    password      NVARCHAR(256) NOT NULL,
    email         NVARCHAR(128),
    nickname      NVARCHAR(64),
    avatar        NVARCHAR(512),
    role          NVARCHAR(32) DEFAULT 'user',
    dept_id       BIGINT DEFAULT 0,
    status        TINYINT DEFAULT 1,
    storage_quota BIGINT DEFAULT 10737418240,
    used_storage  BIGINT DEFAULT 0,
    must_change_pwd TINYINT DEFAULT 0,
    created_at    DATETIME2 DEFAULT GETDATE(),
    updated_at    DATETIME2 DEFAULT GETDATE()
);
GO

IF NOT EXISTS (SELECT * FROM sys.tables WHERE name = 'fs_role')
CREATE TABLE fs_role (
    id           BIGINT IDENTITY(1,1) PRIMARY KEY,
    name         NVARCHAR(64) UNIQUE NOT NULL,
    display_name NVARCHAR(64) NOT NULL,
    description  NVARCHAR(256),
    is_system    TINYINT DEFAULT 0,
    status       TINYINT DEFAULT 1,
    created_at   DATETIME2 DEFAULT GETDATE(),
    updated_at   DATETIME2 DEFAULT GETDATE()
);
GO

IF NOT EXISTS (SELECT * FROM sys.tables WHERE name = 'fs_permission')
CREATE TABLE fs_permission (
    id          BIGINT IDENTITY(1,1) PRIMARY KEY,
    code        NVARCHAR(64) UNIQUE NOT NULL,
    name        NVARCHAR(64) NOT NULL,
    resource    NVARCHAR(32) NOT NULL,
    action      NVARCHAR(32) NOT NULL,
    description NVARCHAR(256)
);
GO

IF NOT EXISTS (SELECT * FROM sys.tables WHERE name = 'fs_role_permission')
CREATE TABLE fs_role_permission (
    role_id       BIGINT NOT NULL,
    permission_id BIGINT NOT NULL,
    PRIMARY KEY (role_id, permission_id)
);
GO

IF NOT EXISTS (SELECT * FROM sys.tables WHERE name = 'fs_user_role')
CREATE TABLE fs_user_role (
    user_id BIGINT NOT NULL,
    role_id BIGINT NOT NULL,
    PRIMARY KEY (user_id, role_id)
);
GO

-- ========== SSO ==========

IF NOT EXISTS (SELECT * FROM sys.tables WHERE name = 'fs_sso_provider')
CREATE TABLE fs_sso_provider (
    id           BIGINT IDENTITY(1,1) PRIMARY KEY,
    name         NVARCHAR(64) NOT NULL,
    type         NVARCHAR(32) NOT NULL,
    display_name NVARCHAR(64) NOT NULL,
    icon         NVARCHAR(512),
    config       NVARCHAR(MAX),
    auto_create  TINYINT DEFAULT 1,
    default_role NVARCHAR(32) DEFAULT 'user',
    status       TINYINT DEFAULT 1,
    sort_order   INT DEFAULT 0,
    created_at   DATETIME2 DEFAULT GETDATE(),
    updated_at   DATETIME2 DEFAULT GETDATE()
);
GO

IF NOT EXISTS (SELECT * FROM sys.tables WHERE name = 'fs_sso_session')
CREATE TABLE fs_sso_session (
    id            BIGINT IDENTITY(1,1) PRIMARY KEY,
    user_id       BIGINT NOT NULL,
    provider_id   BIGINT NOT NULL,
    external_id   NVARCHAR(256) NOT NULL,
    access_token  NVARCHAR(1024),
    refresh_token NVARCHAR(1024),
    expires_at    DATETIME2,
    last_login_at DATETIME2,
    created_at    DATETIME2 DEFAULT GETDATE()
);
IF NOT EXISTS (SELECT * FROM sys.indexes WHERE name = 'idx_sso_user')
    CREATE INDEX idx_sso_user ON fs_sso_session(user_id);
IF NOT EXISTS (SELECT * FROM sys.indexes WHERE name = 'idx_sso_provider_ext')
    CREATE INDEX idx_sso_provider_ext ON fs_sso_session(provider_id, external_id);
GO

-- ========== 组织架构 ==========

IF NOT EXISTS (SELECT * FROM sys.tables WHERE name = 'fs_department')
CREATE TABLE fs_department (
    id         BIGINT IDENTITY(1,1) PRIMARY KEY,
    name       NVARCHAR(128) NOT NULL,
    code       NVARCHAR(64),
    parent_id  BIGINT DEFAULT 0,
    sort_order INT DEFAULT 0,
    status     TINYINT DEFAULT 1,
    created_at DATETIME2 DEFAULT GETDATE(),
    updated_at DATETIME2 DEFAULT GETDATE()
);
GO

-- ========== 文件管理 ==========

IF NOT EXISTS (SELECT * FROM sys.tables WHERE name = 'fs_folder')
CREATE TABLE fs_folder (
    id         BIGINT IDENTITY(1,1) PRIMARY KEY,
    biz_id     NVARCHAR(128) DEFAULT '',
    name       NVARCHAR(256) NOT NULL,
    parent_id  BIGINT DEFAULT 0,
    owner_id   BIGINT NOT NULL,
    path       NVARCHAR(1024) NOT NULL,
    status     TINYINT DEFAULT 1,
    version    INT DEFAULT 1,
    created_at DATETIME2 DEFAULT GETDATE(),
    updated_at DATETIME2 DEFAULT GETDATE()
);
IF NOT EXISTS (SELECT * FROM sys.indexes WHERE name = 'idx_folder_parent')
    CREATE INDEX idx_folder_parent ON fs_folder(parent_id);
IF NOT EXISTS (SELECT * FROM sys.indexes WHERE name = 'idx_folder_owner')
    CREATE INDEX idx_folder_owner ON fs_folder(owner_id);
IF NOT EXISTS (SELECT * FROM sys.indexes WHERE name = 'idx_folder_biz')
    CREATE INDEX idx_folder_biz ON fs_folder(biz_id);
GO

IF NOT EXISTS (SELECT * FROM sys.tables WHERE name = 'fs_file')
CREATE TABLE fs_file (
    id               BIGINT IDENTITY(1,1) PRIMARY KEY,
    name             NVARCHAR(256) NOT NULL,
    extension        NVARCHAR(32),
    folder_id        BIGINT NOT NULL,
    owner_id         BIGINT NOT NULL,
    size             BIGINT DEFAULT 0,
    md5              NVARCHAR(32),
    sha256           NVARCHAR(64),
    storage_key      NVARCHAR(512) NOT NULL,
    storage_policy_id BIGINT DEFAULT 1,
    mime_type        NVARCHAR(128),
    is_favorite      TINYINT DEFAULT 0,
    status           TINYINT DEFAULT 1,
    download_count   INT DEFAULT 0,
    version          INT DEFAULT 1,
    created_at       DATETIME2 DEFAULT GETDATE(),
    updated_at       DATETIME2 DEFAULT GETDATE()
);
IF NOT EXISTS (SELECT * FROM sys.indexes WHERE name = 'idx_file_folder')
    CREATE INDEX idx_file_folder ON fs_file(folder_id);
IF NOT EXISTS (SELECT * FROM sys.indexes WHERE name = 'idx_file_owner')
    CREATE INDEX idx_file_owner ON fs_file(owner_id);
IF NOT EXISTS (SELECT * FROM sys.indexes WHERE name = 'idx_file_md5')
    CREATE INDEX idx_file_md5 ON fs_file(md5);
IF NOT EXISTS (SELECT * FROM sys.indexes WHERE name = 'idx_file_status')
    CREATE INDEX idx_file_status ON fs_file(status);
GO

IF NOT EXISTS (SELECT * FROM sys.tables WHERE name = 'fs_file_permission')
CREATE TABLE fs_file_permission (
    id         BIGINT IDENTITY(1,1) PRIMARY KEY,
    file_id    BIGINT NOT NULL,
    user_id    BIGINT DEFAULT 0,
    role_id    BIGINT DEFAULT 0,
    perm_level NVARCHAR(16) DEFAULT 'read',
    grant_by   BIGINT NOT NULL,
    created_at DATETIME2 DEFAULT GETDATE()
);
IF NOT EXISTS (SELECT * FROM sys.indexes WHERE name = 'idx_fp_user_file')
    CREATE INDEX idx_fp_user_file ON fs_file_permission(user_id, file_id);
IF NOT EXISTS (SELECT * FROM sys.indexes WHERE name = 'idx_fp_role_file')
    CREATE INDEX idx_fp_role_file ON fs_file_permission(role_id, file_id);
GO

IF NOT EXISTS (SELECT * FROM sys.tables WHERE name = 'fs_share')
CREATE TABLE fs_share (
    id             BIGINT IDENTITY(1,1) PRIMARY KEY,
    file_id        BIGINT NOT NULL,
    owner_id       BIGINT NOT NULL,
    share_code     NVARCHAR(32) UNIQUE NOT NULL,
    password       NVARCHAR(64),
    expire_at      DATETIME2,
    max_download   INT DEFAULT 0,
    download_count INT DEFAULT 0,
    allow_preview  TINYINT DEFAULT 1,
    allow_download TINYINT DEFAULT 1,
    status         TINYINT DEFAULT 1,
    created_at     DATETIME2 DEFAULT GETDATE()
);
GO

-- ========== 存储策略 ==========

IF NOT EXISTS (SELECT * FROM sys.tables WHERE name = 'fs_storage_policy')
CREATE TABLE fs_storage_policy (
    id          BIGINT IDENTITY(1,1) PRIMARY KEY,
    name        NVARCHAR(64) NOT NULL,
    type        NVARCHAR(32) NOT NULL,
    policy_type NVARCHAR(32) DEFAULT '',
    config      NVARCHAR(MAX),
    status      TINYINT DEFAULT 1,
    created_at  DATETIME2 DEFAULT GETDATE()
);
GO

IF NOT EXISTS (SELECT * FROM sys.tables WHERE name = 'fs_storage_assignment')
CREATE TABLE fs_storage_assignment (
    id            BIGINT IDENTITY(1,1) PRIMARY KEY,
    policy_id     BIGINT NOT NULL,
    user_id       BIGINT DEFAULT 0,
    group_id      BIGINT DEFAULT 0,
    is_default    TINYINT DEFAULT 0,
    priority      INT DEFAULT 0,
    storage_quota BIGINT DEFAULT 0,
    access_mode   NVARCHAR(32),
    status        TINYINT DEFAULT 1,
    created_at    DATETIME2 DEFAULT GETDATE(),
    updated_at    DATETIME2 DEFAULT GETDATE()
);
IF NOT EXISTS (SELECT * FROM sys.indexes WHERE name = 'idx_assign_policy')
    CREATE INDEX idx_assign_policy ON fs_storage_assignment(policy_id);
IF NOT EXISTS (SELECT * FROM sys.indexes WHERE name = 'idx_assign_user')
    CREATE INDEX idx_assign_user ON fs_storage_assignment(user_id);
IF NOT EXISTS (SELECT * FROM sys.indexes WHERE name = 'idx_assign_group')
    CREATE INDEX idx_assign_group ON fs_storage_assignment(group_id);
GO

-- ========== 开放平台 ==========

IF NOT EXISTS (SELECT * FROM sys.tables WHERE name = 'fs_app')
CREATE TABLE fs_app (
    id         BIGINT IDENTITY(1,1) PRIMARY KEY,
    app_id     NVARCHAR(64) UNIQUE NOT NULL,
    app_secret NVARCHAR(128) NOT NULL,
    app_name   NVARCHAR(128) NOT NULL,
    status     TINYINT DEFAULT 1,
    created_at DATETIME2 DEFAULT GETDATE(),
    updated_at DATETIME2 DEFAULT GETDATE()
);
GO

IF NOT EXISTS (SELECT * FROM sys.tables WHERE name = 'fs_app_user')
CREATE TABLE fs_app_user (
    id         BIGINT IDENTITY(1,1) PRIMARY KEY,
    app_id     BIGINT NOT NULL,
    user_id    BIGINT NOT NULL,
    created_at DATETIME2 DEFAULT GETDATE()
);
IF NOT EXISTS (SELECT * FROM sys.indexes WHERE name = 'idx_app_user_app')
    CREATE INDEX idx_app_user_app ON fs_app_user(app_id);
IF NOT EXISTS (SELECT * FROM sys.indexes WHERE name = 'idx_app_user_user')
    CREATE INDEX idx_app_user_user ON fs_app_user(user_id);
GO

-- ========== 分片上传 ==========

IF NOT EXISTS (SELECT * FROM sys.tables WHERE name = 'fs_upload_session')
CREATE TABLE fs_upload_session (
    id           NVARCHAR(64) PRIMARY KEY,
    file_name    NVARCHAR(256) NOT NULL,
    file_size    BIGINT NOT NULL,
    chunk_size   BIGINT NOT NULL,
    total_chunks INT NOT NULL,
    uploaded     INT DEFAULT 0,
    md5          NVARCHAR(64),
    sha256       NVARCHAR(64),
    folder_id    BIGINT DEFAULT 0,
    owner_id     BIGINT NOT NULL,
    policy_id    BIGINT DEFAULT 0,
    file_id      BIGINT DEFAULT 0,
    status       TINYINT DEFAULT 1,
    temp_dir     NVARCHAR(512),
    created_at   DATETIME2 DEFAULT GETDATE(),
    updated_at   DATETIME2 DEFAULT GETDATE()
);
GO

-- ========== 操作日志 ==========

IF NOT EXISTS (SELECT * FROM sys.tables WHERE name = 'fs_operation_log')
CREATE TABLE fs_operation_log (
    id          BIGINT IDENTITY(1,1) PRIMARY KEY,
    user_id     BIGINT NOT NULL,
    username    NVARCHAR(64),
    action      NVARCHAR(32) NOT NULL,
    resource    NVARCHAR(32) NOT NULL,
    target_id   BIGINT DEFAULT 0,
    target_name NVARCHAR(256),
    detail      NVARCHAR(MAX),
    ip          NVARCHAR(64),
    created_at  DATETIME2 DEFAULT GETDATE()
);
IF NOT EXISTS (SELECT * FROM sys.indexes WHERE name = 'idx_log_user')
    CREATE INDEX idx_log_user ON fs_operation_log(user_id);
IF NOT EXISTS (SELECT * FROM sys.indexes WHERE name = 'idx_log_created')
    CREATE INDEX idx_log_created ON fs_operation_log(created_at);
GO

-- ========== 备份 ==========

IF NOT EXISTS (SELECT * FROM sys.tables WHERE name = 'fs_backup_policy')
CREATE TABLE fs_backup_policy (
    id         BIGINT IDENTITY(1,1) PRIMARY KEY,
    name       NVARCHAR(128) NOT NULL,
    type       NVARCHAR(32) NOT NULL,
    config     NVARCHAR(MAX),
    status     TINYINT DEFAULT 1,
    last_run   DATETIME2,
    created_at DATETIME2 DEFAULT GETDATE()
);
GO

IF NOT EXISTS (SELECT * FROM sys.tables WHERE name = 'fs_backup_log')
CREATE TABLE fs_backup_log (
    id         BIGINT IDENTITY(1,1) PRIMARY KEY,
    policy_id  BIGINT NOT NULL,
    status     TINYINT DEFAULT 1,
    file_path  NVARCHAR(512),
    file_size  BIGINT DEFAULT 0,
    detail     NVARCHAR(MAX),
    created_at DATETIME2 DEFAULT GETDATE()
);
IF NOT EXISTS (SELECT * FROM sys.indexes WHERE name = 'idx_backup_policy')
    CREATE INDEX idx_backup_policy ON fs_backup_log(policy_id);
GO