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path: root/screens/templates.py
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import sqlite3

import models
import ui


def manage_workout_templates(conn: sqlite3.Connection) -> None:
    while True:
        ui.clear_screen()
        ui.print_header("Manage Workout Templates")
        print("1. List Templates")
        print("2. Create Template")
        print("3. View/Edit Template")
        print("4. Delete Template")
        print("5. Back")
        choice = input("\n> ").strip()
        if choice == "1":
            list_workout_templates(conn)
        elif choice == "2":
            create_workout_template(conn)
        elif choice == "3":
            edit_workout_template(conn)
        elif choice == "4":
            delete_workout_template(conn)
        elif choice == "5":
            break


def list_workout_templates(conn: sqlite3.Connection, pause: bool = True) -> None:
    templates = models.list_workout_templates(conn)
    ui.print_header("All Workout Templates")
    ui.print_table(
        ["ID", "Name", "Exercises"],
        [[str(t["id"]), t["name"], t["exercises"] or ""] for t in templates],
    )
    if pause:
        ui.pause()


def create_workout_template(conn: sqlite3.Connection) -> None:
    name = ui.prompt_str("Template name: ")
    assert name is not None
    try:
        template_id = models.create_workout_template(conn, name)
        print(f'Template "{name}" created.')
    except sqlite3.IntegrityError:
        print(f'Template "{name}" already exists.')
        ui.pause()
        return
    # Immediately enter exercise editor
    print("Now add exercises to the template.")
    ui.pause()
    edit_template_exercises(conn, template_id)


def edit_workout_template(conn: sqlite3.Connection) -> None:
    templates = models.list_workout_templates(conn)
    if not templates:
        print("\nNo templates defined.")
        return
    list_workout_templates(conn, pause=False)
    tid = ui.prompt_int("\nTemplate ID to edit: ")
    assert tid is not None
    template = models.get_workout_template(conn, tid)
    if not template:
        print("Template not found.")
        return
    edit_template_exercises(conn, tid)


def edit_template_exercises(conn: sqlite3.Connection, template_id: int) -> None:
    """Interactive editor for a template's exercise list."""
    while True:
        ui.clear_screen()
        template, entries = models.get_workout_template_detail(conn, template_id)
        assert template is not None
        ui.print_header(f'Template: {template["name"]}')

        # Build in-memory list from current DB state
        exercises_data: list[dict] = [
            {
                "exercise_id": e["exercise_id"],
                "exercise_name": e["exercise_name"],
                "bw_relative": bool(e["bw_relative"]),
                "sets": e["sets"],
                "reps": e["reps"],
                "lsrpe": e["lsrpe"],
                "rest_time": e["rest_time"],
                "note": e["note"],
            }
            for e in entries
        ]

        if exercises_data:
            ui.print_table(
                ["#", "Exercise", "Sets", "Reps", "LSRPE", "Rest", "Note"],
                [
                    [
                        str(i),
                        e["exercise_name"],
                        str(e["sets"]),
                        str(e["reps"]),
                        str(e["lsrpe"]),
                        f"{e['rest_time']}s",
                        e["note"] or "",
                    ]
                    for i, e in enumerate(exercises_data, 1)
                ],
            )
        else:
            print("  (no exercises)")

        print(
            "\nActions: (a)dd exercise, (r)emove, (m)ove, (e)dit defaults, (n)ame, (b)ack"
        )
        action = input("> ").strip().lower()

        if action == "b":
            break

        elif action == "n":
            new_name = ui.prompt_str("New template name: ")
            assert new_name is not None
            try:
                models.update_workout_template_name(conn, template_id, new_name)
                print(f'Template renamed to "{new_name}".')
            except sqlite3.IntegrityError:
                print(f'Template "{new_name}" already exists.')
            ui.pause()

        elif action == "a":
            available = models.list_workout_exercises(conn)
            if not available:
                print("No exercises defined. Create some first.")
                continue
            print("\nAvailable exercises:")
            for e in available:
                print(f"  {e['id']}. {e['name']}")
            eid = ui.prompt_int("\nExercise ID to add: ")
            assert eid is not None
            ex = models.get_workout_exercise(conn, eid)
            if not ex:
                print("Exercise not found.")
                continue
            print(f"\n  -- {ex['name']} (defaults) --")
            sets = ui.prompt_int("  Sets: ", min_val=1)
            reps = ui.prompt_int("  Reps: ", min_val=1)
            lsrpe = ui.prompt_int("  LSRPE: ", min_val=1, max_val=10)
            rest_time = ui.prompt_int("  Rest time in seconds: ", min_val=0)
            note = ui.prompt_str("  Note (optional): ", required=False)
            exercises_data.append(
                {
                    "exercise_id": eid,
                    "sets": sets,
                    "reps": reps,
                    "lsrpe": lsrpe,
                    "rest_time": rest_time,
                    "note": note,
                }
            )
            models.save_workout_template_exercises(conn, template_id, exercises_data)
            print(f'"{ex["name"]}" added to template.')
            ui.pause()

        elif action == "r":
            if not exercises_data:
                print("No exercises to remove.")
                continue
            pos = ui.prompt_int("Position # to remove: ", min_val=1)
            assert pos is not None
            if pos > len(exercises_data):
                print("Invalid position.")
                continue
            removed = exercises_data.pop(pos - 1)
            models.save_workout_template_exercises(conn, template_id, exercises_data)
            print(f'Removed "{removed["exercise_name"]}".')
            ui.pause()

        elif action == "m":
            if len(exercises_data) < 2:
                print("Need at least 2 exercises to move.")
                continue
            from_pos = ui.prompt_int(
                "Move from position #: ", min_val=1, max_val=len(exercises_data)
            )
            to_pos = ui.prompt_int(
                "Move to position #: ", min_val=1, max_val=len(exercises_data)
            )
            assert from_pos is not None and to_pos is not None
            item = exercises_data.pop(from_pos - 1)
            exercises_data.insert(to_pos - 1, item)
            models.save_workout_template_exercises(conn, template_id, exercises_data)
            print("Exercise moved.")
            ui.pause()

        elif action == "e":
            if not exercises_data:
                print("No exercises to edit.")
                continue
            pos = ui.prompt_int("Position # to edit: ", min_val=1)
            assert pos is not None
            if pos > len(exercises_data):
                print("Invalid position.")
                continue
            entry = exercises_data[pos - 1]
            print(f'\n  -- {entry["exercise_name"]} (edit defaults) --')
            entry["sets"] = ui.prompt_int(
                f"  Sets [{entry['sets'] or ''}]: ", min_val=1, default=entry["sets"]
            )
            entry["reps"] = ui.prompt_int(
                f"  Reps [{entry['reps'] or ''}]: ", min_val=1, default=entry["reps"]
            )
            entry["lsrpe"] = ui.prompt_int(
                f"  LSRPE [{entry['lsrpe']}]: ",
                min_val=1,
                max_val=10,
                default=entry["lsrpe"],
            )
            entry["rest_time"] = ui.prompt_int(
                f"  Rest time in seconds [{entry['rest_time']}]: ",
                min_val=0,
                default=entry["rest_time"],
            )
            entry["note"] = ui.prompt_str(
                f"  Note [{entry['note'] or ''}]: ",
                required=False,
                default=entry["note"],
            )
            models.save_workout_template_exercises(conn, template_id, exercises_data)
            print("Defaults updated.")
            ui.pause()


def delete_workout_template(conn: sqlite3.Connection) -> None:
    templates = models.list_workout_templates(conn)
    if not templates:
        print("\nNo templates defined.")
        return
    list_workout_templates(conn, pause=False)
    tid = ui.prompt_int("\nTemplate ID to delete: ")
    assert tid is not None
    template = models.get_workout_template(conn, tid)
    if not template:
        print("Template not found.")
        return
    if not ui.confirm(f'Delete template "{template["name"]}"?'):
        return
    models.delete_workout_template(conn, tid)
    print("Template deleted.")
    ui.pause()