package planr

import (
  "fmt"
)

type Runner struct {
  adapters    []Adapter
}

func (r *Runner) RegisterAdapter(a Adapter) {
  r.adapters = append(r.adapters, a)
}

func (r Runner) adapterCfgs() []AdapterConfig {
  cgs := make([]AdapterConfig, len(r.adapters))
  
  for _, adapter := range r.adapters {
    cgs = append(cgs, adapter.Config())
  }

  return cgs
}

// [Initialization] -> [Generation] -> [Finalization] -> 
// [Build] -> [Evaluation] -> [Clean]

func (r Runner) cycle(tcs []TestCase) []TestResult {
  results := make([]TestResult, 0)

  for _, adapter := range r.adapters {
    aname := adapter.Config().Name

    adapter.InitializeBuild()
    
    for _, tc := range tcs {
      if tc.ContainsAdapter(aname) {
        fmt.Printf("[R] Building %s\n", tc.Path)
        adapter.Build(tc)
      }
    }

    adapter.FinalizeBuild()

    adapter.Make()

    for _, tc := range tcs {
      if tc.ContainsAdapter(aname) {
        fmt.Printf("[R] Evaluating %s\n", tc.Path)
        results = append(results, adapter.Evaluate(tc))
      }
    }

    adapter.Cleanup()
  }

  return results
}

func (r Runner) Run(root string) [] TestResult {
  tcs := collectUnits(root, r.adapterCfgs())

  trs := r.cycle(tcs)

  return trs
}