path = require 'path'


module.exports = {}

# TODO: move back to knex router after inheritance is fixed for bookshelf-api,
#   or other component.
module.exports.load_config = ( rctx, ctx ) ->
  if not rctx.res.path
    throw Error("Expected rctx.res.path")
  config = require path.join ctx.cwd, rctx.res.path
  if not config.connection.filename.startsWith '/'
    config.connection.filename = path.join(
      ctx.cwd,
      path.dirname(rctx.res.path),
      config.connection.filename
    )
  if not config.migrations.directory.startsWith '/'
    config.migrations.directory = path.join(
      ctx.cwd,
      path.dirname(rctx.res.path),
      config.migrations.directory
    )
  if not config.models.directory.startsWith '/'
    config.models.directory = path.join(
      ctx.cwd,
      path.dirname(rctx.res.path),
      config.models.directory
    )
  return config

module.exports.update = ( knexctx, ctx ) ->
  knexctx.db.migrate.latest()
    .then ->
      ctx.log \
        "Knex", \
        "loaded and up to date (#{knexctx.config.connection.filename}, "+\
          "#{knexctx.config.migrations.directory}, #{knexctx.config.models})"
    .catch ( error ) ->
      ctx.log \
        "Knex", "load/migrated failed: #{error} "+\
          "(#{knexctx.config.connection.filename}, "+\
          "#{knexctx.config.migrations.directory}, #{knexctx.config.models})"