module "default_tags" {
  source             = "git@github.com:theorchard/terraform-default-tags.git//?ref=2.0.0"
  environment        = var.environment
  application_family = var.application_family
  service_name       = var.service_name
  team_name          = var.team
}

provider "aws" {
  region = var.region

  default_tags {
    tags = module.default_tags.tags
  }
}

# Caller Identity
data "aws_caller_identity" "current" {}

# Terraform backends cannot contain interpolations - of the form ${var.environment}-${var.service_name}-state
terraform {
  backend "s3" {
    bucket  = "orcd-terraform-state"
    key     = "prod/bulk-assets-ingester/terraform.tfstate"
    region  = "us-east-1"
    encrypt = true
  }
}

# State Machines

# Step Function (SFN) root policy document - Definition only
data "aws_iam_policy_document" "sfn_assume_statemachines_role" {
  statement {
    actions = ["sts:AssumeRole"]

    principals {
      type = "Service"
      identifiers = [
        "states.amazonaws.com",
        "lambda.amazonaws.com",
        "events.amazonaws.com",
        "s3.amazonaws.com"
      ]
    }
  }
}

# Step Function (SFN) - SFN Cloudwatch logs permission policy - Definition only
data "aws_iam_policy_document" "bulk_assets_ingester_log_event_policy_document" {
  statement {
    effect = "Allow"
    resources = [
      "arn:aws:logs:${var.region}:${data.aws_caller_identity.current.account_id}:log-group:${var.environment}-${var.service_name}",
      "arn:aws:logs:${var.region}:${data.aws_caller_identity.current.account_id}:log-group:${var.environment}-${var.service_name}:log-stream:*"
    ]

    actions = [
      "logs:CreateLogGroup",
      "logs:CreateLogStream",
      "logs:PutLogEvents"
    ]
  }
}

data "aws_iam_policy_document" "sfn_assume_role_for_events_policy" {
  statement {
    sid = "AllowCWEServiceToAssumeRole"

    actions = [
      "sts:AssumeRole",
    ]

    principals {
      type = "Service"

      identifiers = [
        "lambda.amazonaws.com"
      ]
    }
  }
}