-- 创建页面表
CREATE TABLE IF NOT EXISTS pages (
    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
    title VARCHAR(255) NOT NULL,
    slug VARCHAR(255) NOT NULL UNIQUE,
    description TEXT,
    is_active BOOLEAN NOT NULL DEFAULT true,
    created_at TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT NOW(),
    updated_at TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT NOW(),
    created_by UUID REFERENCES users(id),
    updated_by UUID REFERENCES users(id)
);

-- 创建文本块表
CREATE TABLE IF NOT EXISTS text_blocks (
    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
    page_id UUID NOT NULL REFERENCES pages(id) ON DELETE CASCADE,
    block_order INTEGER NOT NULL,
    title VARCHAR(255),
    markdown TEXT NOT NULL,
    is_active BOOLEAN NOT NULL DEFAULT true,
    created_at TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT NOW(),
    updated_at TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT NOW(),
    UNIQUE(page_id, block_order)
);

-- 创建图表块表
CREATE TABLE IF NOT EXISTS chart_blocks (
    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
    page_id UUID NOT NULL REFERENCES pages(id) ON DELETE CASCADE,
    block_order INTEGER NOT NULL,
    title VARCHAR(255) NOT NULL,
    chart_type VARCHAR(50) NOT NULL,
    config JSONB,
    is_active BOOLEAN NOT NULL DEFAULT true,
    created_at TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT NOW(),
    updated_at TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT NOW(),
    UNIQUE(page_id, block_order)
);

-- 创建数据点表
CREATE TABLE IF NOT EXISTS data_points (
    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
    chart_block_id UUID NOT NULL REFERENCES chart_blocks(id) ON DELETE CASCADE,
    x DOUBLE PRECISION NOT NULL,
    y DOUBLE PRECISION NOT NULL,
    label VARCHAR(255),
    color VARCHAR(50),
    created_at TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT NOW()
);

-- 创建设置块表
CREATE TABLE IF NOT EXISTS settings_blocks (
    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
    page_id UUID NOT NULL REFERENCES pages(id) ON DELETE CASCADE,
    block_order INTEGER NOT NULL,
    title VARCHAR(255),
    category VARCHAR(100) NOT NULL,
    editable BOOLEAN NOT NULL DEFAULT true,
    display_mode VARCHAR(50) NOT NULL DEFAULT 'form',
    is_active BOOLEAN NOT NULL DEFAULT true,
    created_at TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT NOW(),
    updated_at TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT NOW(),
    UNIQUE(page_id, block_order)
);

-- 创建表格块表
CREATE TABLE IF NOT EXISTS table_blocks (
    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
    page_id UUID NOT NULL REFERENCES pages(id) ON DELETE CASCADE,
    block_order INTEGER NOT NULL,
    title VARCHAR(255),
    data_source VARCHAR(100) NOT NULL,
    data_config JSONB,
    is_active BOOLEAN NOT NULL DEFAULT true,
    created_at TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT NOW(),
    updated_at TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT NOW(),
    UNIQUE(page_id, block_order)
);

-- 创建表格列定义表
CREATE TABLE IF NOT EXISTS table_columns (
    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
    table_block_id UUID NOT NULL REFERENCES table_blocks(id) ON DELETE CASCADE,
    name VARCHAR(100) NOT NULL,
    label VARCHAR(255) NOT NULL,
    data_type VARCHAR(50) NOT NULL,
    is_sortable BOOLEAN NOT NULL DEFAULT false,
    is_filterable BOOLEAN NOT NULL DEFAULT false,
    width INTEGER,
    "order" INTEGER NOT NULL,
    created_at TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT NOW(),
    UNIQUE(table_block_id, "order")
);

-- 创建英雄块表
CREATE TABLE IF NOT EXISTS hero_blocks (
    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
    page_id UUID NOT NULL REFERENCES pages(id) ON DELETE CASCADE,
    block_order INTEGER NOT NULL,
    title VARCHAR(255) NOT NULL,
    subtitle TEXT,
    background_image VARCHAR(500),
    background_color VARCHAR(50),
    text_color VARCHAR(50),
    cta_text VARCHAR(100),
    cta_link VARCHAR(500),
    is_active BOOLEAN NOT NULL DEFAULT true,
    created_at TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT NOW(),
    updated_at TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT NOW(),
    UNIQUE(page_id, block_order)
);

-- 创建索引
CREATE INDEX IF NOT EXISTS idx_pages_slug ON pages(slug);
CREATE INDEX IF NOT EXISTS idx_pages_is_active ON pages(is_active);
CREATE INDEX IF NOT EXISTS idx_text_blocks_page_id ON text_blocks(page_id);
CREATE INDEX IF NOT EXISTS idx_chart_blocks_page_id ON chart_blocks(page_id);
CREATE INDEX IF NOT EXISTS idx_settings_blocks_page_id ON settings_blocks(page_id);
CREATE INDEX IF NOT EXISTS idx_table_blocks_page_id ON table_blocks(page_id);
CREATE INDEX IF NOT EXISTS idx_hero_blocks_page_id ON hero_blocks(page_id);
CREATE INDEX IF NOT EXISTS idx_data_points_chart_block_id ON data_points(chart_block_id);
CREATE INDEX IF NOT EXISTS idx_table_columns_table_block_id ON table_columns(table_block_id);

-- 创建更新时间触发器函数
CREATE OR REPLACE FUNCTION update_updated_at_column()
RETURNS TRIGGER AS $$
BEGIN
    NEW.updated_at = NOW();
    RETURN NEW;
END;
$$ language 'plpgsql';

-- 为所有表添加更新时间触发器
CREATE TRIGGER update_pages_updated_at BEFORE UPDATE ON pages
    FOR EACH ROW EXECUTE FUNCTION update_updated_at_column();

CREATE TRIGGER update_text_blocks_updated_at BEFORE UPDATE ON text_blocks
    FOR EACH ROW EXECUTE FUNCTION update_updated_at_column();

CREATE TRIGGER update_chart_blocks_updated_at BEFORE UPDATE ON chart_blocks
    FOR EACH ROW EXECUTE FUNCTION update_updated_at_column();

CREATE TRIGGER update_settings_blocks_updated_at BEFORE UPDATE ON settings_blocks
    FOR EACH ROW EXECUTE FUNCTION update_updated_at_column();

CREATE TRIGGER update_table_blocks_updated_at BEFORE UPDATE ON table_blocks
    FOR EACH ROW EXECUTE FUNCTION update_updated_at_column();

CREATE TRIGGER update_hero_blocks_updated_at BEFORE UPDATE ON hero_blocks
    FOR EACH ROW EXECUTE FUNCTION update_updated_at_column();

-- 插入一些示例数据
INSERT INTO pages (id, title, slug, description, is_active) VALUES
    (gen_random_uuid(), '系统设置', 'system-settings', '系统配置管理页面', true),
    (gen_random_uuid(), '数据概览', 'data-overview', '数据统计和图表展示', true),
    (gen_random_uuid(), '用户管理', 'user-management', '用户信息管理页面', true)
ON CONFLICT (slug) DO NOTHING;