/**
 * Template Name: Inspinia - Admin & Dashboard Template
 * By (Author): WebAppLayers
 * Module/App (File Name): Auth Password
 */

class PasswordAuth {
    constructor() {
        this.barCount = 4
    }

    init() {
        this.initPasswordStrengthBars()
    }

    // Find all wrappers and initialize
    initPasswordStrengthBars() {
        const passwordElements = document.querySelectorAll('[data-password="bar"]')
        if (passwordElements.length) {
            passwordElements.forEach((wrapper) => {
                const input = wrapper.querySelector('input[type="password"]')
                const barContainer = wrapper.querySelector(".password-bar")

                if (!input || !barContainer) {
                    console.warn("Auth: Missing input or .password-bar in", wrapper)
                    return
                }

                this.renderBars(barContainer)
                const bars = barContainer.querySelectorAll(".strong-bar")

                input.addEventListener("input", () => {
                    const score = this.getPasswordScore(input.value)
                    this.updateBarUI(bars, score)
                })
            })
        }
    }

    // Create N strength bars
    renderBars(container) {
        container.innerHTML = ""
        for (let i = 0; i < this.barCount; i++) {
            const bar = document.createElement("div")
            bar.classList.add("strong-bar")
            container.appendChild(bar)
        }
    }

    // Evaluate password and return score from 0–4
    getPasswordScore(password) {
        let score = 0
        if (password.length >= 8) score++
        if (/[A-Z]/.test(password)) score++
        if (/\d/.test(password)) score++
        if (/[\W_]/.test(password)) score++
        return score
    }

    // Update the visual state of the bars
    updateBarUI(bars, score) {
        bars.forEach((bar, i) => {
            bar.className = "strong-bar"
            if (i < score) {
                bar.classList.add(`bar-active-${score}`)
            }
        })
    }
}

document.addEventListener("DOMContentLoaded", () => {
    new PasswordAuth().init()
})
