; Picker.ahk — Le Quick Picker : surface principale de PromptKey (architecture §8).
; Fenêtre pré-créée, recherche instantanée, navigation clavier, aperçu, retour de focus propre.

class PromptPicker {
    GuiObj := ""
    SearchEdit := ""
    LV := ""
    Preview := ""
    Status := ""
    Items := []            ; prompts correspondant aux lignes affichées
    Ctx := Map()
    OnUse := ""            ; Func(prompt, useDefaults)
    OnEdit := ""           ; Func(prompt)
    ProfileLabel := ""
    HotkeysArmed := false

    Build(onUse, onEdit) {
        this.OnUse := onUse
        this.OnEdit := onEdit
        g := Gui("-MaximizeBox +Resize", "PromptKey")
        g.SetFont("s10", "Segoe UI")
        this.GuiObj := g
        g.Add("Text", "xm", "Rechercher :")
        this.SearchEdit := g.Add("Edit", "x+10 w470", "")
        this.SearchEdit.OnEvent("Change", (*) => this.RefreshList())
        this.ProfileLabel := g.Add("Text", "x+10 w180", "")
        this.LV := g.Add("ListView", "xm w500 r14", ["Titre", "Catégorie", "Étiquettes"])
        this.LV.ModifyCol(1, 240)
        this.LV.ModifyCol(2, 110)
        this.LV.ModifyCol(3, 140)
        this.LV.OnEvent("ItemSelect", (lv, row, selected) => selected ? this.UpdatePreview(row) : "")
        this.LV.OnEvent("DoubleClick", (lv, row) => row > 0 ? this.UseSelected(false) : "")
        this.Preview := g.Add("Edit", "x+15 w330 r14 ReadOnly -Wrap", "")
        this.Status := g.Add("Text", "xm w850", "")
        g.OnEvent("Escape", (*) => this.Hide())
        g.OnEvent("Close", (*) => this.Hide())
    }

    Show(ctx) {
        this.Ctx := ctx
        this.SearchEdit.Value := ""
        this.RefreshList()
        this.GuiObj.Show("Center w880")
        this.SearchEdit.Focus()
        this.ArmHotkeys()
        if (ctx.Has("profileName"))
            this.ProfileLabel.Text := "Profil : " ctx["profileName"]
    }

    Hide() {
        this.DisarmHotkeys()
        this.GuiObj.Hide()
    }

    ; Raccourcis propres au Picker, actifs seulement quand sa fenêtre est active (§8.2).
    ArmHotkeys() {
        if this.HotkeysArmed
            return
        HotIfWinActive("ahk_id " this.GuiObj.Hwnd)
        Hotkey("Enter", (*) => this.UseSelected(false), "On")
        Hotkey("^Enter", (*) => this.UseSelected(true), "On")
        Hotkey("^e", (*) => this.EditSelected(), "On")
        Hotkey("Down", (*) => this.MoveSelection(1), "On")
        Hotkey("Up", (*) => this.MoveSelection(-1), "On")
        Hotkey("^c", (*) => this.CopySelected(), "On")
        HotIfWinActive()
        this.HotkeysArmed := true
    }

    DisarmHotkeys() {
        if !this.HotkeysArmed
            return
        HotIfWinActive("ahk_id " this.GuiObj.Hwnd)
        for hk in ["Enter", "^Enter", "^e", "Down", "Up", "^c"] {
            try Hotkey(hk, "Off")
        }
        HotIfWinActive()
        this.HotkeysArmed := false
    }

    MoveSelection(delta) {
        row := this.LV.GetNext()
        if (row = 0)
            row := delta > 0 ? 1 : this.Items.Length
        else
            row := Max(1, Min(this.Items.Length, row + delta))
        if (row >= 1 && row <= this.Items.Length) {
            this.LV.Modify(0, "-Select")
            this.LV.Modify(row, "Select Focus Vis")
            this.UpdatePreview(row)
        }
    }

    RefreshList() {
        q := this.SearchEdit.Value
        usageData := App.Usage ? App.Usage.Data : Map()
        this.Items := Search.Filter(App.Store.Prompts, q, usageData)
        this.LV.Delete()
        for p in this.Items {
            marker := ""
            if p.Pinned
                marker .= "📌 "
            if p.Favorite
                marker .= "★ "
            this.LV.Add("", marker p.Title, p.Category, Join(p.Tags, ", "))
        }
        if (this.Items.Length > 0) {
            this.LV.Modify(1, "Select Focus")
            this.UpdatePreview(1)
        } else {
            this.Preview.Value := "(aucun prompt ne correspond)"
        }
        this.Status.Text := this.Items.Length " résultat(s) · Entrée Utiliser · Ctrl+Entrée Valeurs par défaut · Ctrl+E Modifier · Échap Fermer"
    }

    UpdatePreview(row) {
        if (row < 1 || row > this.Items.Length)
            return
        p := this.Items[row]
        txt := p.Body
        sel := this.Ctx.Has("selection") ? this.Ctx["selection"] : ""
        if (sel != "")
            txt .= "`r`n`r`n— Sélection capturée (" StrLen(sel) " caractères) : « " Util.Truncate(sel, 120) " »"
        if (p.ParseError != "")
            txt := "⚠ Erreur de fichier : " p.ParseError "`r`n`r`n" txt
        this.Preview.Value := txt
    }

    SelectedPrompt() {
        row := this.LV.GetNext()
        if (row >= 1 && row <= this.Items.Length)
            return this.Items[row]
        return ""
    }

    UseSelected(useDefaults) {
        p := this.SelectedPrompt()
        if (p = "")
            return
        this.Hide()
        this.OnUse(p, useDefaults)
    }

    EditSelected() {
        p := this.SelectedPrompt()
        if (p = "")
            return
        this.Hide()
        this.OnEdit(p)
    }

    ; Ctrl+C : copie le corps brut (sans résolution) — la résolution complète passe par l'injection.
    CopySelected() {
        p := this.SelectedPrompt()
        if (p = "")
            return
        A_Clipboard := p.Body
        TrayTip("Corps du prompt « " p.Title " » copié.", "PromptKey")
        this.Hide()
    }
}