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// SPDX-License-Identifier: GPL-3.0-or-later
package engine
import (
"context"
"time"
"git.labunix.xyz/krino/internal/plan"
)
// DirPlan is one directory's plan: the match Result it was built from (for
// the counts and warnings a front end renders), the chains plan.Build
// produced from its matched files, and Elapsed (D12), which - unlike
// Result.Elapsed, stopped inside Match before plan.Build ever runs - spans
// both Match and Build, so a front end reporting how long planning took is
// not undercounting it. It lives here, not in internal/plan, because
// internal/plan must not import internal/engine (engine already imports
// plan).
type DirPlan struct {
Dir *Dir
Chains []plan.Chain
Result *Result
Elapsed time.Duration
}
// Plan matches d, then turns every matched file into a chain per spec
// §7.1. Unmatched files never reach plan.Build: they have no rules, hence
// no steps, and Result.Unmatched already says they were not matched.
// Chains keep Match's Rel order, since Matched is already sorted that way
// and Build's output lines up with its input position for position. claims
// is the run-scoped claim set (A3): the caller creates one *plan.Claims per
// run and passes the same instance to every directory's Plan call, so two
// directories claiming one destination resolve the collision instead of
// both silently landing on it.
func (e *Engine) Plan(ctx context.Context, d *Dir, claims *plan.Claims) (*DirPlan, error) {
started := time.Now()
r, err := e.Match(ctx, d)
if err != nil {
return nil, err
}
inputs := make([]plan.Input, len(r.Matched))
for i, fm := range r.Matched {
inputs[i] = plan.Input{File: fm.File, Rules: planRules(fm.Rules), NoDelete: fm.NoDelete}
}
chains := plan.Build(d.Root, inputs, e.Now(), plan.OS{}, claims)
return &DirPlan{Dir: d, Chains: chains, Result: r, Elapsed: time.Since(started)}, nil
}
// planRules converts a file's matching rules into what plan.Build takes.
// Explain builds the chain of one file the same way (GUI design §1.3), so
// both go through this.
func planRules(matched []RuleMatch) []plan.RuleMatch {
rules := make([]plan.RuleMatch, len(matched))
for i, rm := range matched {
rules[i] = plan.RuleMatch{
Name: rm.Rule.Name,
Actions: rm.Rule.Conf.Actions,
Settings: rm.Rule.Settings,
Captures: rm.Captures,
Reasons: rm.Reasons,
}
}
return rules
}
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