// tools/selfhost/program_analyze.hako - Phase 160-impl-1 Program JSON Analyzer
// Reads Program JSON v0 and prints a summary for selfhost depth-2 verification.
//
// Usage:
//   HAKO_PROGRAM_JSON="$(cat program.json)" ./target/release/hakorune tools/selfhost/program_analyze.hako
//
// Or via wrapper script:
//   ./tools/selfhost/program_analyze.sh /path/to/program.json

include "tools/hako_shared/json_parser.hako"

// ProgramAnalyzerBox: Analyze Program JSON v0 structure
// This is the .hako side analyzer for selfhost depth-2
static box ProgramAnalyzerBox {
  // Generate summary string (minimal version - no loops to avoid JoinIR issues)
  method summarize(program) {
    local version = program.get_version()
    local kind = program.get_kind()
    local defs = program.get_defs()
    local usings = program.get_usings()

    local defs_count = 0
    if defs != null {
      defs_count = defs.size()
    }

    local usings_count = 0
    if usings != null {
      usings_count = usings.size()
    }

    local summary = "=== Program JSON v0 Summary ===\n"
    summary = summary + "Version: " + ("" + version) + "\n"
    summary = summary + "Kind: " + kind + "\n"
    summary = summary + "Total definitions: " + ("" + defs_count) + "\n"
    summary = summary + "Usings: " + ("" + usings_count) + "\n"

    return summary
  }
}

// Main entry point
static box Main {
  main(args) {
    // Get Program JSON from environment variable
    local json_str = env.get("HAKO_PROGRAM_JSON")

    if json_str == null || json_str == "" {
      print("[ERROR] HAKO_PROGRAM_JSON environment variable not set")
      print("Usage: HAKO_PROGRAM_JSON=\"$(cat program.json)\" ./target/release/hakorune tools/selfhost/program_analyze.hako")
      return 1
    }

    // Parse Program JSON
    local program = JsonParserBox.parse_program(json_str)

    if program == null {
      print("[ERROR] Failed to parse Program JSON v0")
      print("Make sure the JSON has version:0 and kind:\"Program\"")
      return 1
    }

    // Generate and print summary
    local summary = ProgramAnalyzerBox.summarize(program)
    print(summary)

    print("[SUCCESS] Phase 160-impl-1: .hako successfully read Program JSON v0!")
    return 0
  }
}