package admin

import (
	"context"
	"database/sql"
)

func RunAdminMigrations(ctx context.Context, db *sql.DB) error {
	migrations := []string{
		`CREATE TABLE IF NOT EXISTS users (
			id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
			email VARCHAR(255) NOT NULL UNIQUE,
			password_hash VARCHAR(255) NOT NULL,
			display_name VARCHAR(255) NOT NULL,
			avatar_url TEXT,
			role VARCHAR(50) NOT NULL DEFAULT 'user',
			tier VARCHAR(50) NOT NULL DEFAULT 'free',
			is_active BOOLEAN NOT NULL DEFAULT true,
			last_login_at TIMESTAMPTZ,
			created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
			updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
		)`,
		`CREATE INDEX IF NOT EXISTS idx_users_email ON users(email)`,
		`CREATE INDEX IF NOT EXISTS idx_users_role ON users(role)`,
		`CREATE INDEX IF NOT EXISTS idx_users_is_active ON users(is_active)`,

		`CREATE TABLE IF NOT EXISTS posts (
			id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
			title VARCHAR(500) NOT NULL,
			slug VARCHAR(255) NOT NULL UNIQUE,
			content TEXT NOT NULL,
			excerpt TEXT,
			cover_image TEXT,
			author_id UUID REFERENCES users(id) ON DELETE SET NULL,
			category VARCHAR(100) NOT NULL DEFAULT 'general',
			tags JSONB DEFAULT '[]',
			status VARCHAR(50) NOT NULL DEFAULT 'draft',
			view_count INT NOT NULL DEFAULT 0,
			published_at TIMESTAMPTZ,
			created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
			updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
		)`,
		`CREATE INDEX IF NOT EXISTS idx_posts_slug ON posts(slug)`,
		`CREATE INDEX IF NOT EXISTS idx_posts_author ON posts(author_id)`,
		`CREATE INDEX IF NOT EXISTS idx_posts_status ON posts(status)`,
		`CREATE INDEX IF NOT EXISTS idx_posts_category ON posts(category)`,
		`CREATE INDEX IF NOT EXISTS idx_posts_published_at ON posts(published_at DESC)`,

		`CREATE TABLE IF NOT EXISTS platform_settings (
			id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
			site_name VARCHAR(255) NOT NULL DEFAULT 'GooSeek',
			site_url VARCHAR(500) NOT NULL DEFAULT 'https://gooseek.ru',
			logo_url TEXT,
			favicon_url TEXT,
			description TEXT,
			support_email VARCHAR(255),
			features JSONB NOT NULL DEFAULT '{}',
			llm_settings JSONB NOT NULL DEFAULT '{}',
			search_settings JSONB NOT NULL DEFAULT '{}',
			metadata JSONB DEFAULT '{}',
			updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
		)`,

		`CREATE TABLE IF NOT EXISTS discover_categories (
			id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
			name VARCHAR(100) NOT NULL UNIQUE,
			name_ru VARCHAR(100) NOT NULL,
			icon VARCHAR(10) NOT NULL DEFAULT '📰',
			color VARCHAR(20) NOT NULL DEFAULT '#6B7280',
			keywords JSONB NOT NULL DEFAULT '[]',
			regions JSONB NOT NULL DEFAULT '["world"]',
			is_active BOOLEAN NOT NULL DEFAULT true,
			sort_order INT NOT NULL DEFAULT 0,
			created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
			updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
		)`,
		`CREATE INDEX IF NOT EXISTS idx_discover_categories_name ON discover_categories(name)`,
		`CREATE INDEX IF NOT EXISTS idx_discover_categories_sort ON discover_categories(sort_order)`,

		`CREATE TABLE IF NOT EXISTS discover_sources (
			id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
			name VARCHAR(255) NOT NULL,
			url VARCHAR(500) NOT NULL UNIQUE,
			logo_url TEXT,
			categories JSONB NOT NULL DEFAULT '[]',
			trust_score DECIMAL(3,2) NOT NULL DEFAULT 0.5,
			is_active BOOLEAN NOT NULL DEFAULT true,
			description TEXT,
			created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
			updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
		)`,
		`CREATE INDEX IF NOT EXISTS idx_discover_sources_url ON discover_sources(url)`,
		`CREATE INDEX IF NOT EXISTS idx_discover_sources_trust ON discover_sources(trust_score DESC)`,

		`CREATE TABLE IF NOT EXISTS audit_logs (
			id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
			user_id UUID NOT NULL,
			user_email VARCHAR(255) NOT NULL,
			action VARCHAR(100) NOT NULL,
			resource VARCHAR(100) NOT NULL,
			resource_id VARCHAR(255),
			details JSONB,
			ip_address VARCHAR(45),
			user_agent TEXT,
			created_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
		)`,
		`CREATE INDEX IF NOT EXISTS idx_audit_logs_user ON audit_logs(user_id)`,
		`CREATE INDEX IF NOT EXISTS idx_audit_logs_action ON audit_logs(action)`,
		`CREATE INDEX IF NOT EXISTS idx_audit_logs_resource ON audit_logs(resource)`,
		`CREATE INDEX IF NOT EXISTS idx_audit_logs_created ON audit_logs(created_at DESC)`,

		`CREATE TABLE IF NOT EXISTS connectors (
			id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
			type VARCHAR(50) NOT NULL,
			name VARCHAR(255) NOT NULL,
			config JSONB NOT NULL DEFAULT '{}',
			is_active BOOLEAN NOT NULL DEFAULT true,
			last_sync_at TIMESTAMPTZ,
			status VARCHAR(50) NOT NULL DEFAULT 'pending',
			error_msg TEXT,
			created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
			updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
		)`,
		`CREATE INDEX IF NOT EXISTS idx_connectors_type ON connectors(type)`,
		`CREATE INDEX IF NOT EXISTS idx_connectors_status ON connectors(status)`,

		`CREATE TABLE IF NOT EXISTS user_files (
			id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
			user_id UUID NOT NULL REFERENCES users(id) ON DELETE CASCADE,
			filename VARCHAR(500) NOT NULL,
			original_name VARCHAR(500) NOT NULL,
			file_type VARCHAR(100) NOT NULL,
			file_size BIGINT NOT NULL,
			bucket VARCHAR(100) NOT NULL DEFAULT 'user-files',
			storage_key TEXT NOT NULL,
			mime_type VARCHAR(100),
			metadata JSONB DEFAULT '{}',
			is_public BOOLEAN NOT NULL DEFAULT false,
			created_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
		)`,
		`CREATE INDEX IF NOT EXISTS idx_user_files_user ON user_files(user_id)`,
		`CREATE INDEX IF NOT EXISTS idx_user_files_type ON user_files(file_type)`,
		`CREATE INDEX IF NOT EXISTS idx_user_files_bucket ON user_files(bucket)`,
	}

	for _, migration := range migrations {
		if _, err := db.ExecContext(ctx, migration); err != nil {
			return err
		}
	}

	return nil
}