# ============================================================
# API Gateway (HTTP API)
# ============================================================
resource "aws_apigatewayv2_api" "api" {
  name          = "${local.prefix}-api"
  protocol_type = "HTTP"

  cors_configuration {
    allow_origins = ["*"]
    allow_methods = ["POST", "OPTIONS"]
    allow_headers = ["Content-Type", "X-Api-Key"]
    max_age       = 86400
  }
}

resource "aws_apigatewayv2_stage" "default" {
  api_id      = aws_apigatewayv2_api.api.id
  name        = "$default"
  auto_deploy = true
}

resource "aws_apigatewayv2_integration" "submit" {
  api_id                 = aws_apigatewayv2_api.api.id
  integration_type       = "AWS_PROXY"
  integration_uri        = aws_lambda_function.submit.invoke_arn
  payload_format_version = "2.0"
}

resource "aws_apigatewayv2_route" "submit" {
  api_id    = aws_apigatewayv2_api.api.id
  route_key = "POST /submit"
  target    = "integrations/${aws_apigatewayv2_integration.submit.id}"
}

resource "aws_lambda_permission" "apigw" {
  statement_id  = "AllowAPIGateway"
  action        = "lambda:InvokeFunction"
  function_name = aws_lambda_function.submit.function_name
  principal     = "apigateway.amazonaws.com"
  source_arn    = "${aws_apigatewayv2_api.api.execution_arn}/*/*"
}

# ============================================================
# Outputs
# ============================================================
output "api_endpoint" {
  value = aws_apigatewayv2_stage.default.invoke_url
}

output "s3_bucket" {
  value = aws_s3_bucket.media.id
}