-- =========================================
-- HR Portal 初始化系統資料表
-- 根據 app/models/installation.py 建立完整表結構
-- =========================================

-- 1. installation_sessions (安裝會話)
DROP TABLE IF EXISTS installation_sessions CASCADE;
CREATE TABLE installation_sessions (
    id SERIAL PRIMARY KEY,
    tenant_id INTEGER,
    session_name VARCHAR(200),
    environment VARCHAR(20),  -- development/testing/production

    -- 狀態追蹤
    started_at TIMESTAMP DEFAULT NOW(),
    completed_at TIMESTAMP,
    status VARCHAR(20) DEFAULT 'in_progress',  -- in_progress/completed/failed/paused

    -- 進度統計
    total_checklist_items INTEGER,
    passed_checklist_items INTEGER DEFAULT 0,
    failed_checklist_items INTEGER DEFAULT 0,
    total_steps INTEGER,
    completed_steps INTEGER DEFAULT 0,
    failed_steps INTEGER DEFAULT 0,

    executed_by VARCHAR(100),

    -- 存取控制
    is_locked BOOLEAN DEFAULT FALSE,
    locked_at TIMESTAMP,
    locked_by VARCHAR(100),
    lock_reason VARCHAR(200),

    is_unlocked BOOLEAN DEFAULT FALSE,
    unlocked_at TIMESTAMP,
    unlocked_by VARCHAR(100),
    unlock_reason VARCHAR(200),
    unlock_expires_at TIMESTAMP,

    last_viewed_at TIMESTAMP,
    last_viewed_by VARCHAR(100),
    view_count INTEGER DEFAULT 0,

    created_at TIMESTAMP DEFAULT NOW()
);

-- 2. installation_checklist_items (檢查項目定義)
DROP TABLE IF EXISTS installation_checklist_items CASCADE;
CREATE TABLE installation_checklist_items (
    id SERIAL PRIMARY KEY,
    category VARCHAR(50) NOT NULL,  -- hardware/network/software/container/security
    item_code VARCHAR(100) UNIQUE NOT NULL,
    item_name VARCHAR(200) NOT NULL,
    check_type VARCHAR(50) NOT NULL,  -- command/api/config/manual
    check_command TEXT,
    expected_value TEXT,
    min_requirement TEXT,
    recommended_value TEXT,
    is_required BOOLEAN DEFAULT TRUE,
    sequence_order INTEGER NOT NULL,
    description TEXT,
    created_at TIMESTAMP DEFAULT NOW()
);

-- 3. installation_checklist_results (檢查結果)
DROP TABLE IF EXISTS installation_checklist_results CASCADE;
CREATE TABLE installation_checklist_results (
    id SERIAL PRIMARY KEY,
    tenant_id INTEGER,
    session_id INTEGER REFERENCES installation_sessions(id) ON DELETE CASCADE,
    checklist_item_id INTEGER REFERENCES installation_checklist_items(id) ON DELETE CASCADE NOT NULL,
    status VARCHAR(20) NOT NULL,  -- pass/fail/warning/pending/skip
    actual_value TEXT,
    checked_at TIMESTAMP,
    checked_by VARCHAR(100),
    auto_checked BOOLEAN DEFAULT FALSE,
    remarks TEXT,
    created_at TIMESTAMP DEFAULT NOW(),
    updated_at TIMESTAMP DEFAULT NOW()
);

-- 4. installation_steps (安裝步驟定義)
DROP TABLE IF EXISTS installation_steps CASCADE;
CREATE TABLE installation_steps (
    id SERIAL PRIMARY KEY,
    step_code VARCHAR(50) UNIQUE NOT NULL,
    step_name VARCHAR(200) NOT NULL,
    phase VARCHAR(20) NOT NULL,  -- phase1/phase2/...
    sequence_order INTEGER NOT NULL,
    description TEXT,
    execution_type VARCHAR(50),  -- auto/manual/script
    execution_script TEXT,
    depends_on_steps VARCHAR[],  -- 依賴的步驟代碼
    is_required BOOLEAN DEFAULT TRUE,
    created_at TIMESTAMP DEFAULT NOW()
);

-- 5. installation_logs (安裝執行記錄)
DROP TABLE IF EXISTS installation_logs CASCADE;
CREATE TABLE installation_logs (
    id SERIAL PRIMARY KEY,
    tenant_id INTEGER,
    step_id INTEGER REFERENCES installation_steps(id) ON DELETE CASCADE NOT NULL,
    session_id INTEGER REFERENCES installation_sessions(id) ON DELETE CASCADE,
    status VARCHAR(20) NOT NULL,  -- pending/running/success/failed/skipped
    started_at TIMESTAMP,
    completed_at TIMESTAMP,
    executed_by VARCHAR(100),
    execution_method VARCHAR(50),  -- manual/auto/api/script
    result_data JSONB,
    error_message TEXT,
    retry_count INTEGER DEFAULT 0,
    remarks TEXT,
    created_at TIMESTAMP DEFAULT NOW(),
    updated_at TIMESTAMP DEFAULT NOW()
);

-- 6. installation_tenant_info (租戶初始化資訊)
DROP TABLE IF EXISTS installation_tenant_info CASCADE;
CREATE TABLE installation_tenant_info (
    id SERIAL PRIMARY KEY,
    tenant_id INTEGER UNIQUE,
    session_id INTEGER REFERENCES installation_sessions(id) ON DELETE SET NULL,

    -- 公司基本資訊
    company_name VARCHAR(200),
    company_name_en VARCHAR(200),
    tenant_code VARCHAR(50),
    tenant_prefix VARCHAR(10),
    tax_id VARCHAR(50),
    industry VARCHAR(100),
    company_size VARCHAR(20),  -- small/medium/large

    -- 聯絡資訊
    tel VARCHAR(20),
    phone VARCHAR(50),
    fax VARCHAR(50),
    email VARCHAR(200),
    website VARCHAR(200),
    add TEXT,
    address TEXT,
    address_en TEXT,

    -- 郵件網域設定
    domain_set INTEGER DEFAULT 2,  -- 1=組織網域, 2=部門網域
    domain VARCHAR(100),

    -- 負責人資訊
    representative_name VARCHAR(100),
    representative_title VARCHAR(100),
    representative_email VARCHAR(200),
    representative_phone VARCHAR(50),

    -- 系統管理員資訊
    admin_employee_id VARCHAR(50),
    admin_username VARCHAR(100),
    admin_legal_name VARCHAR(100),
    admin_english_name VARCHAR(100),
    admin_email VARCHAR(200),
    admin_phone VARCHAR(50),

    -- 初始設定
    default_language VARCHAR(10) DEFAULT 'zh-TW',
    timezone VARCHAR(50) DEFAULT 'Asia/Taipei',
    date_format VARCHAR(20) DEFAULT 'YYYY-MM-DD',
    currency VARCHAR(10) DEFAULT 'TWD',

    -- 狀態追蹤
    is_completed BOOLEAN DEFAULT FALSE,
    completed_at TIMESTAMP,
    completed_by VARCHAR(100),

    created_at TIMESTAMP DEFAULT NOW(),
    updated_at TIMESTAMP DEFAULT NOW()
);

-- 7. installation_mail_domain_setting (郵件網域設定)
DROP TABLE IF EXISTS installation_mail_domain_setting CASCADE;
CREATE TABLE installation_mail_domain_setting (
    id SERIAL PRIMARY KEY,
    session_id INTEGER REFERENCES installation_sessions(id) ON DELETE CASCADE NOT NULL,
    domain_set INTEGER NOT NULL,  -- 1=組織網域, 2=部門網域
    domain VARCHAR(100),  -- 組織網域（domain_set=1 時使用）
    created_at TIMESTAMP DEFAULT NOW()
);

-- 8. installation_department_setup (部門架構設定)
DROP TABLE IF EXISTS installation_department_setup CASCADE;
CREATE TABLE installation_department_setup (
    id SERIAL PRIMARY KEY,
    tenant_id INTEGER,
    session_id INTEGER REFERENCES installation_sessions(id) ON DELETE CASCADE,
    department_code VARCHAR(50) NOT NULL,
    department_name VARCHAR(200) NOT NULL,
    department_name_en VARCHAR(200),
    email_domain VARCHAR(100),
    parent_code VARCHAR(50),
    depth INTEGER DEFAULT 0,
    manager_name VARCHAR(100),
    is_created BOOLEAN DEFAULT FALSE,
    created_at TIMESTAMP DEFAULT NOW()
);

-- 9. temporary_passwords (臨時密碼)
DROP TABLE IF EXISTS temporary_passwords CASCADE;
CREATE TABLE temporary_passwords (
    id SERIAL PRIMARY KEY,
    tenant_id INTEGER,
    employee_id INTEGER,
    username VARCHAR(100) NOT NULL,
    session_id INTEGER REFERENCES installation_sessions(id) ON DELETE SET NULL,

    -- 密碼資訊
    password_hash VARCHAR(255) NOT NULL,
    plain_password VARCHAR(100),
    password_method VARCHAR(20),  -- auto/manual
    is_temporary BOOLEAN DEFAULT TRUE,
    must_change_on_login BOOLEAN DEFAULT TRUE,

    -- 有效期限
    created_at TIMESTAMP DEFAULT NOW(),
    expires_at TIMESTAMP,

    -- 使用狀態
    is_used BOOLEAN DEFAULT FALSE,
    used_at TIMESTAMP,
    first_login_at TIMESTAMP,
    password_changed_at TIMESTAMP,

    -- 查看控制
    is_viewable BOOLEAN DEFAULT TRUE,
    viewable_until TIMESTAMP,
    view_count INTEGER DEFAULT 0,
    last_viewed_at TIMESTAMP,
    first_viewed_at TIMESTAMP,

    -- 明文密碼清除記錄
    plain_password_cleared_at TIMESTAMP,
    cleared_reason VARCHAR(100)
);

-- 10. installation_access_logs (存取審計日誌)
DROP TABLE IF EXISTS installation_access_logs CASCADE;
CREATE TABLE installation_access_logs (
    id SERIAL PRIMARY KEY,
    session_id INTEGER REFERENCES installation_sessions(id) ON DELETE CASCADE NOT NULL,
    action VARCHAR(50) NOT NULL,  -- lock/unlock/view/download_pdf
    action_by VARCHAR(100),
    action_method VARCHAR(50),  -- database/api/system
    ip_address VARCHAR(50),
    user_agent TEXT,
    access_granted BOOLEAN,
    deny_reason VARCHAR(200),
    sensitive_data_accessed VARCHAR[],
    created_at TIMESTAMP DEFAULT NOW()
);

-- 11. installation_environment_config (環境配置記錄)
DROP TABLE IF EXISTS installation_environment_config CASCADE;
CREATE TABLE installation_environment_config (
    id SERIAL PRIMARY KEY,
    session_id INTEGER REFERENCES installation_sessions(id) ON DELETE SET NULL,
    config_key VARCHAR(100) UNIQUE NOT NULL,
    config_value TEXT,
    config_category VARCHAR(50) NOT NULL,  -- redis/database/keycloak/mailserver/nextcloud/traefik
    is_sensitive BOOLEAN DEFAULT FALSE,
    is_configured BOOLEAN DEFAULT FALSE,
    configured_at TIMESTAMP,
    configured_by VARCHAR(100),
    description TEXT,
    created_at TIMESTAMP DEFAULT NOW(),
    updated_at TIMESTAMP DEFAULT NOW()
);
CREATE INDEX idx_env_config_key ON installation_environment_config(config_key);
CREATE INDEX idx_env_config_category ON installation_environment_config(config_category);

-- 12. installation_system_status (系統狀態記錄)
DROP TABLE IF EXISTS installation_system_status CASCADE;
CREATE TABLE installation_system_status (
    id SERIAL PRIMARY KEY,
    current_phase VARCHAR(20) NOT NULL,  -- initialization/operational/transition
    previous_phase VARCHAR(20),
    phase_changed_at TIMESTAMP,
    phase_changed_by VARCHAR(100),
    phase_change_reason TEXT,

    -- Initialization 階段資訊
    initialized_at TIMESTAMP,
    initialized_by VARCHAR(100),
    initialization_completed BOOLEAN DEFAULT FALSE,

    -- Operational 階段資訊
    last_health_check_at TIMESTAMP,
    health_check_status VARCHAR(20),  -- healthy/degraded/unhealthy
    operational_since TIMESTAMP,

    -- Transition 階段資訊
    transition_started_at TIMESTAMP,
    transition_approved_by VARCHAR(100),
    env_db_consistent BOOLEAN,
    consistency_checked_at TIMESTAMP,
    inconsistencies TEXT,

    -- 系統鎖定
    is_locked BOOLEAN DEFAULT FALSE,
    locked_at TIMESTAMP,
    locked_by VARCHAR(100),
    lock_reason VARCHAR(200),

    created_at TIMESTAMP DEFAULT NOW(),
    updated_at TIMESTAMP DEFAULT NOW()
);
CREATE INDEX idx_system_status_phase ON installation_system_status(current_phase);

-- =========================================
-- 初始化系統狀態
-- =========================================
INSERT INTO installation_system_status (current_phase, initialization_completed)
VALUES ('initialization', FALSE);

COMMIT;