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package hexaiaction
import (
"context"
"strings"
"time"
"codeberg.org/snonux/hexai/internal/appconfig"
"codeberg.org/snonux/hexai/internal/llm"
"codeberg.org/snonux/hexai/internal/textutil"
)
// Render performs simple {{var}} replacement like LSP.
func Render(t string, vars map[string]string) string { return textutil.RenderTemplate(t, vars) }
// StripFences removes surrounding markdown code fences.
func StripFences(s string) string { return textutil.StripCodeFences(s) }
type chatDoer interface {
Chat(ctx context.Context, msgs []llm.Message, opts ...llm.RequestOption) (string, error)
}
func runRewrite(ctx context.Context, cfg appconfig.App, client chatDoer, instruction, selection string) (string, error) {
sys := cfg.PromptCodeActionRewriteSystem
user := Render(cfg.PromptCodeActionRewriteUser, map[string]string{"instruction": instruction, "selection": selection})
return runOnceWithOpts(ctx, client, sys, user, reqOptsFrom(cfg))
}
func runDiagnostics(ctx context.Context, cfg appconfig.App, client chatDoer, diags []string, selection string) (string, error) {
var b strings.Builder
for i, d := range diags {
if strings.TrimSpace(d) == "" {
continue
}
b.WriteString(strings.TrimSpace(d))
if i < len(diags)-1 {
b.WriteString("\n")
}
}
sys := cfg.PromptCodeActionDiagnosticsSystem
user := Render(cfg.PromptCodeActionDiagnosticsUser, map[string]string{"diagnostics": b.String(), "selection": selection})
return runOnceWithOpts(ctx, client, sys, user, reqOptsFrom(cfg))
}
func runDocument(ctx context.Context, cfg appconfig.App, client chatDoer, selection string) (string, error) {
sys := cfg.PromptCodeActionDocumentSystem
user := Render(cfg.PromptCodeActionDocumentUser, map[string]string{"selection": selection})
return runOnceWithOpts(ctx, client, sys, user, reqOptsFrom(cfg))
}
func runSimplify(ctx context.Context, cfg appconfig.App, client chatDoer, selection string) (string, error) {
sys := cfg.PromptCodeActionSimplifySystem
user := Render(cfg.PromptCodeActionSimplifyUser, map[string]string{"selection": selection})
return runOnceWithOpts(ctx, client, sys, user, reqOptsFrom(cfg))
}
func runGoTest(ctx context.Context, cfg appconfig.App, client chatDoer, funcCode string) (string, error) {
sys := cfg.PromptCodeActionGoTestSystem
user := Render(cfg.PromptCodeActionGoTestUser, map[string]string{"function": funcCode})
return runOnceWithOpts(ctx, client, sys, user, reqOptsFrom(cfg))
}
func runOnce(ctx context.Context, client chatDoer, sys, user string) (string, error) {
msgs := []llm.Message{{Role: "system", Content: sys}, {Role: "user", Content: user}}
txt, err := client.Chat(ctx, msgs)
if err != nil {
return "", err
}
return strings.TrimSpace(StripFences(txt)), nil
}
func runOnceWithOpts(ctx context.Context, client chatDoer, sys, user string, opts []llm.RequestOption) (string, error) {
msgs := []llm.Message{{Role: "system", Content: sys}, {Role: "user", Content: user}}
txt, err := client.Chat(ctx, msgs, opts...)
if err != nil {
return "", err
}
return strings.TrimSpace(StripFences(txt)), nil
}
// reqOptsFrom builds LLM request options similar to LSP behavior.
func reqOptsFrom(cfg appconfig.App) []llm.RequestOption {
opts := []llm.RequestOption{llm.WithMaxTokens(cfg.MaxTokens)}
if cfg.CodingTemperature != nil {
opts = append(opts, llm.WithTemperature(*cfg.CodingTemperature))
}
return opts
}
// Timeout helpers to mirror LSP behavior.
func timeout10s(parent context.Context) (context.Context, context.CancelFunc) {
return context.WithTimeout(parent, 10*time.Second)
}
func timeout8s(parent context.Context) (context.Context, context.CancelFunc) {
return context.WithTimeout(parent, 8*time.Second)
}
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