-- +migrate Up

CREATE TABLE categories (
    id SERIAL PRIMARY KEY,
    name VARCHAR(100) NOT NULL,
    description TEXT,
    parent_id INTEGER REFERENCES categories(id),
    color VARCHAR(7) DEFAULT '#3b82f6',
    cover_image VARCHAR(500),
    sort INTEGER DEFAULT 0,
    is_active BOOLEAN DEFAULT true,
    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
    deleted_at TIMESTAMP
);

-- 创建索引
CREATE INDEX idx_categories_parent_id ON categories(parent_id);
CREATE INDEX idx_categories_is_active ON categories(is_active);
CREATE INDEX idx_categories_sort ON categories(sort);
CREATE INDEX idx_categories_deleted_at ON categories(deleted_at);

-- 插入默认分类
INSERT INTO categories (name, description, color, sort) VALUES 
('风景摄影', '自然风景摄影作品', '#10b981', 1),
('人像摄影', '人物肖像摄影作品', '#f59e0b', 2),
('街头摄影', '街头纪实摄影作品', '#ef4444', 3),
('建筑摄影', '建筑和城市摄影作品', '#3b82f6', 4),
('抽象摄影', '抽象艺术摄影作品', '#8b5cf6', 5);

-- +migrate Down

DROP TABLE IF EXISTS categories;