from dataclasses import dataclass
from typing import Optional, List
from parsers.values import e_series_values, value_to_code

def rc0805fr_mpn_from_ohms(value: float) -> str:
    if value == 0: return "RC0805JR-070RL"
    return f"RC0805FR-07{value_to_code(value)}L"

def rc0603fr_mpn_from_ohms(value: float) -> str:
    if value == 0: return "RC0603JR-070RL"
    return f"RC0603FR-07{value_to_code(value)}L"

def generate_rc0805fr_e32() -> List[str]:
    values = [0.0] + e_series_values(32, rmin=1.0, rmax=1e7)
    return [rc0805fr_mpn_from_ohms(v) for v in values]

def generate_rc0603fr_e32() -> List[str]:
    values = [0.0] + e_series_values(32, rmin=1.0, rmax=1e7)
    return [rc0603fr_mpn_from_ohms(v) for v in values]

CAP_PLAN = [
    ("1pF","X7R","10%","50V"), ("2.2pF","X7R","10%","50V"), ("4.7pF","X7R","10%","50V"),
    ("10pF","X7R","10%","50V"), ("22pF","X7R","10%","50V"), ("47pF","X7R","10%","50V"),
    ("100pF","X7R","10%","50V"),("220pF","X7R","10%","50V"),("470pF","X7R","10%","50V"),
    ("1nF","X7R","10%","50V"),  ("2.2nF","X7R","10%","50V"),("4.7nF","X7R","10%","50V"),
    ("10nF","X7R","10%","50V"), ("22nF","X7R","10%","50V"), ("47nF","X7R","10%","50V"),
    ("100nF","X7R","10%","50V"),("220nF","X7R","10%","50V"),("470nF","X7R","10%","50V"),
    ("1uF","X7R","10%","50V"),  ("2.2uF","X7R","10%","25V"),("4.7uF","X5R","10%","10V"),
    ("10uF","X5R","10%","6.3V"),
]

def _mk_cap_query(case: str, val: str, diel: str, tol: str, volt: str) -> str:
    return f"{case} {diel} {tol} {volt} {val}"

def generate_caps_0805_queries() -> List[str]:
    return [_mk_cap_query("0805", v, d, t, u) for (v,d,t,u) in CAP_PLAN]

def generate_caps_1206_dupes_for_low_v(threshold_v: float, target_v: str|None) -> List[str]:
    out = []
    def _volt_to_float(vs: str) -> float:
        try: return float(vs.lower().replace("v","").strip())
        except: return 0.0
    for (v,d,t,u) in CAP_PLAN:
        if _volt_to_float(u) < threshold_v:
            new_u = target_v or u
            out.append(_mk_cap_query("1206", v, d, t, new_u))
    return out

@dataclass
class Job:
    category: str
    manufacturer: str
    footprint: Optional[str]
    seeds: List[str]
    kind: str  # "resistor" | "capacitor"