#!/usr/bin/env bash
# Validate phoenix-deploy-api/deploy-targets.json structure.

set -euo pipefail

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
PROJECT_ROOT="$(cd "$SCRIPT_DIR/../.." && pwd)"
TARGETS_FILE="${1:-$PROJECT_ROOT/phoenix-deploy-api/deploy-targets.json}"

if [[ ! -f "$TARGETS_FILE" ]]; then
  echo "[ERROR] Missing deploy targets file: $TARGETS_FILE" >&2
  exit 1
fi

if ! command -v jq >/dev/null 2>&1; then
  echo "[ERROR] jq is required to validate $TARGETS_FILE" >&2
  exit 1
fi

jq -e '
  (.targets | type == "array")
  and (.targets | length > 0)
  and all(.targets[]; (
    (.repo | type == "string" and length > 0)
    and ((.branch // "main") | type == "string" and length > 0)
    and ((.target // "default") | type == "string" and length > 0)
    and (.cwd | type == "string" and length > 0)
    and (.command | type == "array" and length > 0)
    and (all(.command[]; type == "string" and length > 0))
    and ((.required_env // []) | type == "array")
    and (all((.required_env // [])[]?; type == "string" and length > 0))
    and (
      (.healthcheck // null) == null or (
        (.healthcheck.url | type == "string" and length > 0)
        and ((.healthcheck.expect_status // 200) | type == "number")
        and ((.healthcheck.attempts // 1) | type == "number")
        and ((.healthcheck.delay_ms // 0) | type == "number")
        and ((.healthcheck.timeout_ms // 10000) | type == "number")
      )
    )
  ))
  and (
    [.targets[] | [(.repo), (.branch // "main"), (.target // "default")] | join("|")]
    | length == (unique | length)
  )
' "$TARGETS_FILE" >/dev/null

echo "[OK] phoenix deploy targets valid: $TARGETS_FILE"