data "aws_iam_policy_document" "assume_role_policy" {
  statement {
    actions = ["sts:AssumeRole"]

    principals {
      type = "AWS"

      identifiers = [
        "arn:aws:iam::437795906767:role/prod-jenkins-aws-pipeline-agent",
        "arn:aws:iam::437795906767:role/prod-jenkins-aws-task-agent",
      ]
    }
  }
}

data "aws_iam_policy_document" "invoke_lambda_policy_document" {
  statement {
    effect = "Allow"

    actions = [
      "lambda:InvokeFunction",
      "lambda:InvokeAsync",
    ]

    resources = [
      module.lambda_audience_validate_email_domains.lambda_arn,
    ]
  }
}

resource "aws_iam_policy" "invoke_lambda_policy" {
  name   = "lambda-${var.environment}-${var.lambda_name}-invoke-policy"
  policy = data.aws_iam_policy_document.invoke_lambda_policy_document.json
}

resource "aws_iam_role" "lambda_invoke_role" {
  name               = "${var.environment}-validate-email-domains-lambda-invoke-role"
  assume_role_policy = data.aws_iam_policy_document.assume_role_policy.json
}

resource "aws_iam_role_policy_attachment" "validate_email_domains_policy_attachment" {
  role       = aws_iam_role.lambda_invoke_role.id
  policy_arn = aws_iam_policy.invoke_lambda_policy.arn
}