"""Report builder: assemble a human-readable analysis report from sales kit + personas."""
from __future__ import annotations

from typing import Any

TIER_NAMES = {
    "A": ("Ready to buy", "ตั้งใจซื้อ"),
    "B": ("Unsure / educating", "ไม่แน่ใจ"),
    "C": ("Not interested but has pain", "ไม่สนใจแต่มี pain"),
}


def build_report(*, sales_kit: dict[str, Any], personas: list[dict[str, Any]], language: str = "th") -> dict[str, Any]:
    thai = language == "th"
    tiers: dict[str, list[dict[str, Any]]] = {"A": [], "B": [], "C": []}
    for p in personas:
        tiers.get(p.get("tier", "B"), []).append(p)

    sections = []
    sections.append({
        "title": "Sales Kit / ข้อมูลสินค้า" if thai else "Sales Kit",
        "content": _render_sales_kit(sales_kit, thai),
    })
    for tier, personas_list in tiers.items():
        label = TIER_NAMES[tier][1 if thai else 0]
        sections.append({
            "title": f"Tier {tier} — {label}",
            "content": _render_tier(personas_list, thai),
        })

    return {
        "title": f"{sales_kit.get('productName', 'Product')} — Sales Training Analysis",
        "summary": "Customer personas + pain analysis for sales training.",
        "language": language,
        "sections": sections,
        "raw_personas": personas,
    }


def _render_sales_kit(kit: dict[str, Any], thai: bool) -> str:
    lines = []
    lines.append(f"**{'สินค้า' if thai else 'Product'}:** {kit.get('productName', '-')}")
    if kit.get("category"):
        lines.append(f"**{'หมวดหมู่' if thai else 'Category'}:** {kit['category']}")
    if kit.get("valueProps"):
        lines.append(f"**{'คุณค่า' if thai else 'Value props'}:** " + "; ".join(kit["valueProps"]))
    if kit.get("features"):
        lines.append(f"**{'ฟีเจอร์' if thai else 'Features'}:** " + "; ".join(kit["features"]))
    if kit.get("pricingAnchors"):
        lines.append(f"**{'ราคา' if thai else 'Pricing'}:** " + "; ".join(kit["pricingAnchors"]))
    ta = kit.get("targetAudience") or {}
    if ta.get("segment"):
        lines.append(f"**{'กลุ่มเป้าหมาย' if thai else 'Target segment'}:** {ta['segment']}")
    if kit.get("initialPainFit"):
        lines.append(f"**{'Pain ที่สินค้าแก้ได้เบื้องต้น' if thai else 'Initial pain-fit'}:**")
        for p in kit["initialPainFit"]:
            lines.append(f"- ({p.get('fit', '?')}) {p.get('pain', '')}")
    return "\n".join(lines)


def _render_tier(personas: list[dict[str, Any]], thai: bool) -> str:
    if not personas:
        return "_" + ("ไม่มี" if thai else "none") + "_"
    blocks = []
    for p in personas:
        blocks.append(_render_persona(p, thai))
    return "\n\n---\n\n".join(blocks)


def _render_persona(p: dict[str, Any], thai: bool) -> str:
    lines = [f"### {p.get('name', '-')}  (difficulty {p.get('difficulty', 1)})"]
    lines.append(f"- {'อาชีพ' if thai else 'Profession'}: {p.get('profession', '-')} | "
                 f"{'อายุ' if thai else 'Age'}: {p.get('age_group', '-')} | "
                 f"{'ช่องทาง' if thai else 'Channel'}: {p.get('channel', 'facebook')} | "
                 f"{'เปิดบท' if thai else 'Initiation'}: {p.get('initiation_mode', 'customer')}")
    if p.get("special"):
        lines.append(f"- SPECIAL: {p['special']}")
    lines.append(f"- {'พื้นหลัง' if thai else 'Background'}: {p.get('background', '-')}")
    lines.append(f"- {'รายได้' if thai else 'Income'}: {p.get('income', '-')} | "
                 f"{'ไลฟ์สไตล์' if thai else 'Lifestyle'}: {p.get('lifestyle', '-')}")
    lines.append(f"- {'นิสัย' if thai else 'Personality'}: {p.get('personality', '-')}")
    if p.get("pains"):
        lines.append(f"- {'Pain points (latent)' if thai else 'Pains (latent)'}:")
        for pain in p.get("pains", []):
            conds = "; ".join(pain.get("resolutionConditions", [])) if isinstance(pain, dict) else ""
            lines.append(f"   - [{pain.get('fit', '?') if isinstance(pain, dict) else '?'}] "
                         f"{pain.get('name', pain) if isinstance(pain, dict) else pain}"
                         f"{' — resolve: ' + conds if conds else ''}")
    if p.get("negotiation_levers"):
        levers = p.get("negotiation_levers") or []
        lines.append(f"- {'ต่อรอง' if thai else 'Negotiation levers'}: " + ", ".join(str(x) for x in levers))
    return "\n".join(lines)