module GdsApi::TestHelpers::LocalLinksManager

def convert_to_query_string_params(parameters)
  # convert nil to an empty string, otherwise query param is not expressed correctly
  parameters.each_key { |key| parameters[key] = "" if parameters[key].nil? }
  parameters
end

def stub_local_links_manager_does_not_have_a_custodian_code(local_custodian_code)
  stub_request(:get, "#{LOCAL_LINKS_MANAGER_ENDPOINT}/api/local-authority")
    .with(query: { local_custodian_code: })
    .to_return(body: {}.to_json, status: 404)
end

def stub_local_links_manager_does_not_have_an_authority(authority_slug)
  stub_request(:get, "#{LOCAL_LINKS_MANAGER_ENDPOINT}/api/local-authority")
    .with(query: { authority_slug: })
    .to_return(body: {}.to_json, status: 404)
end

def stub_local_links_manager_has_a_district_and_county_local_authority(district_slug, county_slug, district_snac: "00AG", county_snac: "00LC", district_gss: "EE06000063", county_gss: "EE06000064", local_custodian_code: nil)
  response = {
    "local_authorities" => [
      {
        "name" => district_slug.capitalize,
        "homepage_url" => "http://#{district_slug}.example.com",
        "country_name" => "England",
        "tier" => "district",
        "slug" => district_slug,
        "gss" => district_gss,
      },
      {
        "name" => county_slug.capitalize,
        "homepage_url" => "http://#{county_slug}.example.com",
        "country_name" => "England",
        "tier" => "county",
        "slug" => county_slug,
        "gss" => county_gss,
      },
    ],
  }
  response["local_authorities"][0]["snac"] = district_snac if district_snac
  response["local_authorities"][1]["snac"] = county_snac if county_snac
  stub_request(:get, "#{LOCAL_LINKS_MANAGER_ENDPOINT}/api/local-authority")
    .with(query: { authority_slug: district_slug })
    .to_return(body: response.to_json, status: 200)
  unless local_custodian_code.nil?
    stub_request(:get, "#{LOCAL_LINKS_MANAGER_ENDPOINT}/api/local-authority")
      .with(query: { local_custodian_code: })
      .to_return(body: response.to_json, status: 200)
  end
end

def stub_local_links_manager_has_a_link(authority_slug:, lgsl:, lgil:, url:, country_name: "England", status: "ok", snac: "00AG", gss: "EE06000063", local_custodian_code: nil)
  response = {
    "local_authority" => {
      "name" => authority_slug.capitalize,
      "gss" => gss,
      "tier" => "unitary",
      "homepage_url" => "http://#{authority_slug}.example.com",
      "country_name" => country_name,
      "slug" => authority_slug,
    },
    "local_interaction" => {
      "lgsl_code" => lgsl,
      "lgil_code" => lgil,
      "url" => url,
      "status" => status,
    },
  }
  response["local_authority"]["snac"] = snac if snac
  stub_request(:get, "#{LOCAL_LINKS_MANAGER_ENDPOINT}/api/link")
    .with(query: { authority_slug:, lgsl:, lgil: })
    .to_return(body: response.to_json, status: 200)
  unless local_custodian_code.nil?
    stub_request(:get, "#{LOCAL_LINKS_MANAGER_ENDPOINT}/api/link")
      .with(query: { local_custodian_code:, lgsl:, lgil: })
      .to_return(body: response.to_json, status: 200)
  end
end

def stub_local_links_manager_has_a_local_authority(authority_slug, country_name: "England", snac: "00AG", gss: "EE06000063", local_custodian_code: nil)
  response = {
    "local_authorities" => [
      {
        "name" => authority_slug.capitalize,
        "homepage_url" => "http://#{authority_slug}.example.com",
        "country_name" => country_name,
        "tier" => "unitary",
        "slug" => authority_slug,
        "gss" => gss,
      },
    ],
  }
  response["local_authorities"][0]["snac"] = snac if snac
  stub_request(:get, "#{LOCAL_LINKS_MANAGER_ENDPOINT}/api/local-authority")
    .with(query: { authority_slug: })
    .to_return(body: response.to_json, status: 200)
  unless local_custodian_code.nil?
    stub_request(:get, "#{LOCAL_LINKS_MANAGER_ENDPOINT}/api/local-authority")
      .with(query: { local_custodian_code: })
      .to_return(body: response.to_json, status: 200)
  end
end

def stub_local_links_manager_has_a_local_authority_without_homepage(authority_slug, country_name: "England", snac: "00AG", gss: "EE06000063", local_custodian_code: nil)
  response = {
    "local_authorities" => [
      {
        "name" => authority_slug.capitalize,
        "homepage_url" => "",
        "country_name" => country_name,
        "tier" => "unitary",
        "slug" => authority_slug,
        "gss" => gss,
      },
    ],
  }
  response["local_authorities"][0]["snac"] = snac if snac
  stub_request(:get, "#{LOCAL_LINKS_MANAGER_ENDPOINT}/api/local-authority")
    .with(query: { authority_slug: })
    .to_return(body: response.to_json, status: 200)
  unless local_custodian_code.nil?
    stub_request(:get, "#{LOCAL_LINKS_MANAGER_ENDPOINT}/api/local-authority")
      .with(query: { local_custodian_code: })
      .to_return(body: response.to_json, status: 200)
  end
end

def stub_local_links_manager_has_no_link(authority_slug:, lgsl:, lgil:, country_name: "England", snac: "00AG", gss: "EE06000063", local_custodian_code: nil)
  response = {
    "local_authority" => {
      "name" => authority_slug.capitalize,
      "gss" => gss,
      "tier" => "unitary",
      "homepage_url" => "http://#{authority_slug}.example.com",
      "country_name" => country_name,
      "slug" => authority_slug,
    },
  }
  response["local_authority"]["snac"] = snac if snac
  stub_request(:get, "#{LOCAL_LINKS_MANAGER_ENDPOINT}/api/link")
    .with(query: { authority_slug:, lgsl:, lgil: })
    .to_return(body: response.to_json, status: 200)
  unless local_custodian_code.nil?
    stub_request(:get, "#{LOCAL_LINKS_MANAGER_ENDPOINT}/api/link")
      .with(query: { local_custodian_code:, lgsl:, lgil: })
      .to_return(body: response.to_json, status: 200)
  end
end

def stub_local_links_manager_has_no_link_and_no_homepage_url(authority_slug:, lgsl:, lgil:, country_name: "England", snac: "00AG", gss: "EE06000063", local_custodian_code: nil)
  response = {
    "local_authority" => {
      "name" => authority_slug.capitalize,
      "gss" => gss,
      "tier" => "unitary",
      "homepage_url" => nil,
      "country_name" => country_name,
      "slug" => authority_slug,
    },
  }
  response["local_authority"]["snac"] = snac if snac
  stub_request(:get, "#{LOCAL_LINKS_MANAGER_ENDPOINT}/api/link")
    .with(query: { authority_slug:, lgsl:, lgil: })
    .to_return(body: response.to_json, status: 200)
  unless local_custodian_code.nil?
    stub_request(:get, "#{LOCAL_LINKS_MANAGER_ENDPOINT}/api/link")
      .with(query: { local_custodian_code:, lgsl:, lgil: })
      .to_return(body: response.to_json, status: 200)
  end
end

def stub_local_links_manager_request_with_invalid_parameters(**parameters)
  stub_request(:get, "#{LOCAL_LINKS_MANAGER_ENDPOINT}/api/link")
    .with(query: convert_to_query_string_params(parameters))
    .to_return(body: {}.to_json, status: 404)
end

def stub_local_links_manager_request_with_missing_parameters(**parameters)
  stub_request(:get, "#{LOCAL_LINKS_MANAGER_ENDPOINT}/api/link")
    .with(query: convert_to_query_string_params(parameters))
    .to_return(body: {}.to_json, status: 400)
end

def stub_local_links_manager_request_without_local_authority_slug
  stub_request(:get, "#{LOCAL_LINKS_MANAGER_ENDPOINT}/api/local-authority")
    .with(query: { authority_slug: "" })
    .to_return(body: {}.to_json, status: 400)
end

def stub_local_links_manager_request_without_local_custodian_code
  stub_request(:get, "#{LOCAL_LINKS_MANAGER_ENDPOINT}/api/local-authority")
    .with(query: { local_custodian_code: "" })
    .to_return(body: {}.to_json, status: 400)
end