import type { Database } from 'bun:sqlite'

export function runMigrations(db: Database) {
  // History table
  db.run(`
    CREATE TABLE IF NOT EXISTS history (
      id INTEGER PRIMARY KEY AUTOINCREMENT,
      timestamp TEXT DEFAULT CURRENT_TIMESTAMP,
      tool_name TEXT NOT NULL,
      args TEXT,
      result TEXT
    )
  `)

  // Config table
  db.run(`
    CREATE TABLE IF NOT EXISTS config (
      key TEXT PRIMARY KEY,
      value TEXT
    )
  `)

  // Vue components table
  db.run(`
    CREATE TABLE IF NOT EXISTS vue_components (
      id TEXT PRIMARY KEY,
      name TEXT NOT NULL,
      template TEXT NOT NULL,
      setup TEXT,
      style TEXT,
      props TEXT,
      imports TEXT,
      created_at TEXT DEFAULT CURRENT_TIMESTAMP,
      updated_at TEXT DEFAULT CURRENT_TIMESTAMP
    )
  `)

  // Themes table
  db.run(`
    CREATE TABLE IF NOT EXISTS themes (
      id TEXT PRIMARY KEY,
      name TEXT NOT NULL,
      description TEXT,
      is_default INTEGER DEFAULT 0,
      is_system INTEGER DEFAULT 0,
      variables TEXT NOT NULL,
      metadata TEXT,
      created_at TEXT DEFAULT CURRENT_TIMESTAMP,
      updated_at TEXT DEFAULT CURRENT_TIMESTAMP
    )
  `)

  // Project canvas table
  db.run(`
    CREATE TABLE IF NOT EXISTS project_canvas (
      id TEXT PRIMARY KEY,
      name TEXT NOT NULL,
      description TEXT,
      type TEXT NOT NULL DEFAULT 'project',
      theme_id TEXT,
      config TEXT,
      tools TEXT,
      is_default INTEGER DEFAULT 0,
      is_system INTEGER DEFAULT 0,
      show_in_toolbar INTEGER DEFAULT 0,
      toolbar_icon TEXT,
      toolbar_order INTEGER DEFAULT 99,
      created_at TEXT DEFAULT CURRENT_TIMESTAMP,
      updated_at TEXT DEFAULT CURRENT_TIMESTAMP
    )
  `)

  // Canvas-components relation table
  db.run(`
    CREATE TABLE IF NOT EXISTS canvas_components (
      id INTEGER PRIMARY KEY AUTOINCREMENT,
      canvas_id TEXT NOT NULL,
      component_id TEXT NOT NULL,
      position INTEGER DEFAULT 0,
      props TEXT,
      layout TEXT,
      is_visible INTEGER DEFAULT 1,
      created_at TEXT DEFAULT CURRENT_TIMESTAMP,
      UNIQUE(canvas_id, component_id)
    )
  `)

  // Run column migrations for existing tables
  runColumnMigrations(db)
}

function runColumnMigrations(db: Database) {
  // Add toolbar columns to project_canvas if missing
  const alterStatements = [
    'ALTER TABLE project_canvas ADD COLUMN show_in_toolbar INTEGER DEFAULT 0',
    'ALTER TABLE project_canvas ADD COLUMN toolbar_icon TEXT',
    'ALTER TABLE project_canvas ADD COLUMN toolbar_order INTEGER DEFAULT 99'
  ]

  for (const sql of alterStatements) {
    try {
      db.run(sql)
    } catch {
      // Column already exists
    }
  }
}